401
FOCA52 TJSJ 031831
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
231 PM AST SAT OCT 3 2026
PRZ001-040800-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 73 77 82 84 90 93 73 77 82 85 91 93 73 78 82
TEMP 84 81 80 78 77 85 89 90 84 81 79 78 77 85 90 91 84 82 80 79 78 85
DEWPT 76 75 75 75 74 76 76 76 76 75 75 75 74 76 77 77 76 76 76 75 76 77
RH 77 82 85 91 90 75 66 64 77 82 88 91 90 75 66 64 77 82 88 88 94 77
WIND DIR E E SE SE SE E E E E E SE SE SE SE E E E E SE SE E E
WIND SPD 12 8 6 4 3 4 10 12 10 6 6 4 3 4 9 12 12 6 5 4 4 5
WIND GUST 23 23
CLOUDS B1 SC B1 SC B1 B1 SC B1 B1 B2 B2 B1 SC FW FW SC SC B1 B1 B1 B1 B1
POP 12HR 50 60 60 40 40
QPF 12HR 0.12-0.24 0.15-0.53 0.17-0.39 0.03-0.08 0.03-0.11
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC SC SC IS SC SC NM SC SC IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS IS
HEAT INDEX 93 87 83 80 94101103 93 87 83 80 95103104 94 88 83 81 95
MAX HEAT 108 92 99 113 110 92 100 114 113 93 100
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 91 78 90 78 90 78 91 78 91
TEMP 91 82 79 85 90 81 79 85 90 82 79 85 91 82 79 85 91 82
DEWPT 77 76 75 76 77 76 75 76 77 76 75 76 76 75 75 76 72 72
PWIND DIR E E E SE E SE E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS B1 SC SC SC B1 B1 SC SC SC B1 SC SC SC FW SC SC SC FW
POP 12HR 40 30 60 10 40 30 20 10 10
RAIN SHWRS SC SC SC SC SC IS IS IS SC SC SC SC IS IS IS IS IS IS
TSTMS IS IS IS IS IS IS
PRZ002-040800-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 67 77 82 75 88 93 67 77 82 75 88 94 67 77 82
TEMP 83 80 79 78 77 83 87 88 83 80 79 78 77 83 88 88 83 81 79 78 77 84
DEWPT 73 73 74 73 73 74 74 74 74 74 74 73 74 75 74 74 74 74 74 74 74 75
RH 72 79 85 85 87 74 65 63 74 82 85 85 90 77 63 63 74 79 85 88 90 74
WIND DIR E E E E E E E E E E E E E E E E E E E E E E
WIND SPD 10 9 8 8 5 8 10 10 8 8 9 6 5 5 9 10 10 8 8 6 5 8
WIND GUST 18 21 18
CLOUDS B1 SC B2 B1 B2 B1 SC B1 SC B2 B2 B2 SC SC SC SC SC B2 B2 B2 B2 B1
POP 12HR 50 60 60 50 50
QPF 12HR 0.11-0.24 0.28-0.55 0.34-0.40 0.07-0.13 0.11
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC SC SC IS SC SC NM NM SC SC IS IS SC SC SC SC SC SC SC
TSTMS IS IS IS IS
HEAT INDEX 89 85 82 90 96 96 89 85 82 91 96 98 90 86 82 80 91
MAX HEAT 100 91 97 104 102 91 98 105 103 93 97
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 89 77 88 77 88 77 88 77 88
TEMP 89 81 78 83 88 80 78 83 88 81 78 84 88 81 78 84 88 81
DEWPT 74 74 74 75 74 74 74 75 74 74 74 75 74 74 74 74 72 72
PWIND DIR E E E SE E E E E E
WIND CHAR GN LT GN LT GN GN GN GN GN
AVG CLOUDS B1 B1 SC B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC FW
POP 12HR 50 30 60 50 50 30 30 30 30
RAIN SHWRS SC SC SC SC SC NM IS SC SC SC SC SC SC IS IS IS IS IS
TSTMS IS IS IS IS IS IS
PRZ003-040800-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 68 76 82 78 88 93 68 76 82 79 88 93 69 77 82
TEMP 82 80 78 77 76 83 87 88 82 80 78 77 76 83 87 88 83 80 79 77 77 83
DEWPT 74 72 73 73 72 74 72 73 74 73 74 73 73 74 73 73 74 74 74 74 74 74
RH 77 77 85 87 87 74 61 61 77 79 88 87 90 74 63 61 74 82 85 90 90 74
WIND DIR E E NE NE NE E E E E E NE E E E E E E E E E NE E
WIND SPD 11 8 6 5 5 6 10 10 9 6 6 5 4 5 10 11 10 8 6 5 5 6
WIND GUST 24 21 23 19 21 24 21
CLOUDS B1 SC SC SC B1 SC FW SC SC B2 B2 B1 SC FW FW SC SC B1 B1 B1 B1 B1
POP 12HR 50 60 60 30 40
QPF 12HR 0.03-0.13 0.03-0.31 0.06-0.35 0.03-0.11 0.03-0.11
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC IS SC IS IS IS NM SC SC IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS
HEAT INDEX 88 83 80 89 94 96 88 84 81 89 95 97 89 84 81 90
MAX HEAT 102 90 97 106 105 91 98 108 106 91 99
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 89 76 88 76 88 77 88 77 88
TEMP 89 80 77 83 88 80 77 83 88 80 78 83 88 80 78 83 88 80
DEWPT 73 73 73 74 73 74 74 74 73 74 74 74 73 73 74 73 70 71
PWIND DIR E NE E E E E E NE E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS B1 SC SC SC B1 B1 SC SC B1 SC SC SC SC SC SC SC SC FW
POP 12HR 40 30 40 40 40 30 10 10 10
RAIN SHWRS SC SC SC SC SC SC IS IS SC SC SC SC IS IS IS IS IS IS
TSTMS IS IS IS IS IS IS
PRZ004-040800-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 68 73 77 78 87 92 68 73 77 78 87 92 69 74 77
TEMP 80 77 76 74 73 81 86 87 80 78 76 74 73 81 86 87 81 78 76 75 74 81
DEWPT 73 72 72 72 71 74 73 73 73 72 72 72 71 74 73 73 74 73 73 72 73 74
RH 79 85 87 93 93 79 65 63 79 82 87 93 93 79 65 63 79 85 90 90 97 79
WIND DIR E E E E E E E E E E E SE E E E E E E E E E E
WIND SPD 9 4 3 2 3 4 9 10 8 4 4 3 2 4 9 10 9 4 4 3 3 4
CLOUDS B1 SC B1 SC B1 B1 FW B1 SC B2 B1 B1 SC FW FW SC SC B1 B1 B1 B1 B1
POP 12HR 40 60 60 30 40
QPF 12HR 0.04-0.24 0.06-0.52 0.13-0.39 0.03-0.09 0.04-0.11
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC SC SC IS SC IS NM SC SC IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS
HEAT INDEX 84 86 93 94 84 86 94 95 85 87
MAX HEAT 100 86 96 105 103 86 97 106 103 87 97
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 87 74 87 74 87 74 87 74 87
TEMP 87 78 75 81 87 78 75 81 87 78 75 81 87 78 75 81 87 78
DEWPT 73 73 72 74 73 73 73 74 73 73 72 74 73 73 72 74 70 70
PWIND DIR E E E SE E E E E E
WIND CHAR GN LT GN LT LT LT GN LT GN
AVG CLOUDS B1 SC SC SC B1 B1 SC SC SC B1 SC SC SC SC SC SC SC FW
POP 12HR 40 30 60 20 40 30 10 10 10
RAIN SHWRS SC SC SC SC SC IS IS IS SC SC SC SC IS IS IS IS IS IS
TSTMS IS IS IS IS IS IS
PRZ005-040800-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 72 75 82 85 90 94 72 75 82 85 90 94 72 75 82
TEMP 83 80 78 76 75 83 89 90 83 79 77 76 75 84 89 90 83 80 78 76 75 84
DEWPT 75 74 74 74 73 76 77 77 76 75 75 74 73 76 77 77 76 75 75 74 74 77
RH 77 82 88 94 94 80 68 66 80 88 94 94 94 77 68 66 80 85 91 94 97 80
WIND DIR E E SE SE SE E E E E SE SE SE SE SE E NE E E SE SE SE E
WIND SPD 14 11 8 4 3 4 8 9 8 6 5 4 3 4 8 11 10 6 5 4 4 4
WIND GUST 28 20 19 23 23
CLOUDS B1 SC SC SC B1 SC SC B1 B2 B2 SC B1 SC CL CL SC SC FW FW FW FW SC
POP 12HR 30 50 50 20 10
QPF 12HR 0.07-0.19 0.13-1.08 0.15-0.69 0.03-0.34 0.00-0.07
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS SC SC IS SC SC SC IS SC IS IS IS IS IS IS IS IS
TSTMS IS IS IS IS
HEAT INDEX 90 83 92101102 90 83 92102104 92 83 93
MAX HEAT 108 92 99 114 112 92 100 114 113 93 100
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 90 75 90 75 90 75 90 75 90
TEMP 90 80 76 83 90 80 76 83 90 80 76 84 90 80 76 84 90 80
DEWPT 77 75 74 76 77 75 74 76 77 75 74 76 77 75 74 76 73 72
PWIND DIR E E E SE E SE E E E
WIND CHAR GN LT GN LT LT LT GN LT GN
AVG CLOUDS SC SC FW SC SC B1 FW FW SC B1 SC SC SC SC SC FW SC SC
POP 12HR 50 20 50 5 50 20 40 10 40
RAIN SHWRS IS IS IS IS IS SC SC SC IS IS IS IS IS IS SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ006-040800-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 72 76 75 84 92 63 72 76 75 85 93 63 72 76
TEMP 78 76 74 73 72 79 83 84 78 76 74 73 72 79 84 85 79 76 74 73 72 79
DEWPT 72 71 71 71 70 72 72 72 72 71 71 71 70 72 72 72 73 72 72 71 71 73
RH 82 85 90 93 93 79 70 67 82 85 90 93 93 79 67 65 82 87 93 93 97 82
WIND DIR E E E E E E E SE E E E E E E E E E E E E E E
WIND SPD 9 5 3 2 2 4 6 5 4 3 3 2 2 3 6 6 5 3 3 3 3 3
WIND GUST 23 21 20 20 23
CLOUDS B2 SC FW FW SC SC FW B1 B1 B2 SC SC SC CL CL SC SC FW FW FW FW SC
POP 12HR 10 50 50 30 20
QPF 12HR 0.03-0.17 0.04-0.77 0.06-0.42 0.03-0.58 0.00-0.06
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS IS SC SC SC IS IS IS SC SC IS IS IS IS IS
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 80 82 88 89 81 82 89 91 81 82
MAX HEAT 101 85 96 107 104 85 98 109 106 87 97
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 85 72 84 72 84 72 84 72 84
TEMP 85 76 73 79 84 76 73 79 84 76 73 79 84 76 73 79 84 76
DEWPT 72 71 71 72 72 72 71 72 72 71 71 72 72 71 71 72 68 68
PWIND DIR E E E SE SE E E E E
WIND CHAR LT LT LT LT LT LT GN LT LT
AVG CLOUDS SC SC SC SC B1 B1 FW FW FW SC SC SC SC SC SC FW FW SC
POP 12HR 20 20 50 5 30 30 40 10 40
RAIN SHWRS IS IS IS IS SC SC IS SC SC SC IS IS IS IS SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ007-040800-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 63 75 82 75 88 94 63 75 82 75 88 94 63 75 82
TEMP 82 79 77 76 75 82 87 88 82 79 77 76 75 82 87 88 82 79 78 76 75 83
DEWPT 73 72 71 70 70 71 72 72 73 73 72 71 70 72 71 73 74 73 72 71 71 71
RH 74 79 82 82 84 69 61 59 74 82 85 85 84 72 59 61 77 82 82 85 87 67
WIND DIR E E NE NE NE E SE SE SE E E NE NE E SE SE SE E E E NE E
WIND SPD 10 6 4 3 3 4 9 8 6 4 4 3 3 3 9 9 8 4 5 4 4 3
WIND GUST 25 21 21 20 24 20
CLOUDS B1 SC FW FW FW FW FW B1 B1 B1 SC SC SC CL CL B1 B1 FW FW FW FW SC
POP 12HR 20 50 40 40 5
QPF 12HR 0.02-0.23 0.03-0.86 0.04-0.55 0.03-0.96 0.01
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS SC SC SC IS IS IS SC SC IS
TSTMS IS IS IS IS IS IS
HEAT INDEX 86 82 86 93 94 86 82 87 93 95 88 83 87
MAX HEAT 100 91 93 105 103 91 94 106 103 91 94
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 88 75 88 75 87 76 88 76 88
TEMP 88 79 76 82 88 79 76 82 87 79 76 82 88 79 76 82 88 79
DEWPT 73 72 71 71 72 73 71 72 73 73 71 72 73 72 70 71 72 71
PWIND DIR E NE E E E E E E E
WIND CHAR LT LT GN LT LT LT GN LT GN
AVG CLOUDS SC FW FW FW SC SC FW FW FW SC SC FW FW SC SC FW FW SC
POP 12HR 10 10 40 5 20 10 40 10 40
RAIN SHWRS IS IS IS IS SC IS IS IS IS SC IS IS IS SC SC
TSTMS IS IS IS IS IS IS IS
PRZ008-040800-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 69 74 82 85 88 94 69 73 82 86 88 94 69 74 82
TEMP 81 78 76 75 74 81 87 88 81 78 76 74 73 82 87 88 81 78 76 75 74 82
DEWPT 75 74 74 72 72 74 76 76 75 74 74 73 72 74 76 76 75 75 74 73 73 74
RH 82 88 94 90 93 79 70 68 82 88 94 97 97 77 70 68 82 91 94 94 97 77
WIND DIR E E E E E E E NE E SE E SE SE E E NE E E SE E E E
WIND SPD 11 11 8 6 5 6 6 8 6 5 5 4 3 4 5 5 6 6 5 3 5 5
WIND GUST 26 23
CLOUDS B2 B1 FW FW SC SC FW B2 B2 OV SC SC SC FW FW SC SC FW FW FW FW FW
POP 12HR 50 80 80 20 0
QPF 12HR 0.13-0.26 0.47-1.27 0.46-0.86 0.04-0.43 0
SNOW 12HR MM MM MM
RAIN SHWRS NM SC IS IS SC NM D IS IS IS SC SC
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 86 87 96 98 86 87 98 99 87 88
MAX HEAT 102 91 94 109 106 91 95 110 106 92 94
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 88 74 88 74 88 74 88 74 88
TEMP 88 78 75 82 88 78 75 81 88 78 75 82 88 78 75 82 88 78
DEWPT 76 75 73 74 76 75 73 74 77 75 73 74 76 75 73 74 73 73
PWIND DIR E E E SE E E E E E
WIND CHAR LT LT GN LT LT LT GN GN GN
AVG CLOUDS SC B1 SC SC SC B1 SC FW SC B1 SC FW SC B1 SC FW SC SC
POP 12HR 70 10 70 5 70 10 50 10 50
RAIN SHWRS NM NM IS IS NM NM IS IS NM NM IS IS SC IS IS IS SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ009-040800-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 72 76 75 85 94 66 72 76 75 85 94 66 72 77
TEMP 79 76 74 73 72 79 84 85 78 76 74 73 72 79 84 85 79 76 74 73 72 80
DEWPT 71 71 71 70 69 71 73 73 71 71 72 70 69 71 73 73 72 72 72 71 70 71
RH 77 85 90 90 90 77 70 67 79 85 93 90 90 77 70 67 79 87 93 93 93 74
WIND DIR E E E E E E E E E E E E E E E E E E E E E E
WIND SPD 5 4 3 2 3 3 3 3 3 3 3 2 2 2 3 3 3 3 3 3 3 2
WIND GUST 19
CLOUDS OV B2 FW FW FW FW FW B2 OV OV SC SC SC CL CL B2 B2 CL CL CL CL FW
POP 12HR 70 80 80 60 5
QPF 12HR 0.09-0.31 0.28-1.38 0.21-0.85 0.15-1.18 0
SNOW 12HR MM MM MM
RAIN SHWRS D D NM D D IS IS IS NM NM IS
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 80 82 90 91 81 82 90 92 81 83
MAX HEAT 103 84 92 108 106 84 94 109 106 87 94
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 86 72 85 72 84 72 85 72 85
TEMP 86 76 73 79 85 76 73 79 84 76 73 79 85 76 73 79 85 76
DEWPT 73 72 70 71 73 72 71 72 74 72 70 71 73 72 70 71 71 70
PWIND DIR E E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC FW FW SC B1 FW FW SC B1 SC FW SC B1 SC FW SC SC
POP 12HR 50 10 70 5 70 10 60 10 50
RAIN SHWRS IS NM IS IS NM NM IS IS NM IS IS IS NM IS IS IS SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ010-040800-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 68 75 82 76 90 94 68 74 82 77 91 94 68 75 82
TEMP 83 79 77 76 75 83 89 90 83 79 77 75 74 84 89 91 83 80 77 76 75 84
DEWPT 76 75 74 73 71 74 76 76 76 75 74 73 72 74 76 76 76 75 75 73 73 75
RH 80 88 90 90 87 74 66 64 80 88 90 94 93 72 66 62 80 85 94 90 94 74
WIND DIR E E E E E E E E E E E E E E E N E E E E E E
WIND SPD 6 6 5 5 5 4 4 4 4 4 5 4 4 4 3 4 4 5 5 5 5 4
WIND GUST 19 17 17 18 18 18
CLOUDS OV OV FW FW FW FW FW B2 B2 OV SC SC SC FW FW B2 B2 CL CL CL CL CL
POP 12HR 80 90 90 50 0
QPF 12HR 0.05-0.31 0.07-1.37 0.12-0.86 0.06-1.27 0
SNOW 12HR MM MM MM
RAIN SHWRS D D NM NM D IS IS IS SC SC
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 91 83 90101102 90 82 91101103 91 83 91
MAX HEAT 106 92 97 112 109 92 98 112 108 92 99
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 91 75 90 75 90 75 90 75 90
TEMP 91 80 76 84 90 79 76 83 90 80 76 84 90 80 76 84 90 80
DEWPT 77 75 73 74 77 75 74 75 77 75 73 74 77 75 73 74 73 73
PWIND DIR E E E E SE E E E E
WIND CHAR LT LT LT LT LT LT LT GN LT
AVG CLOUDS FW B1 SC SC SC B1 SC FW SC B1 SC FW SC B1 SC SC FW SC
POP 12HR 60 10 70 5 60 10 60 10 50
RAIN SHWRS NM NM IS IS IS NM IS IS IS NM IS IS NM NM IS IS SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ011-040800-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 73 76 82 86 92 94 72 76 82 86 92 94 73 76 82
TEMP 84 81 79 77 76 85 91 92 84 81 78 77 76 85 91 92 85 81 79 77 76 85
DEWPT 75 75 73 72 71 72 74 73 75 74 74 73 72 73 73 74 75 75 75 74 73 73
RH 74 82 82 85 85 65 58 54 74 79 88 87 87 67 56 56 72 82 88 90 90 67
WIND DIR E E E E E E SE SE E E E E E E SE SE E E E E E E
WIND SPD 12 10 8 3 3 4 9 9 8 8 6 6 5 5 10 11 9 8 8 9 6 5
WIND GUST 24 20 20 20 20 21 24 21
CLOUDS B1 B1 FW FW FW FW FW SC B1 B1 SC SC SC CL CL B1 B1 FW FW FW FW FW
POP 12HR 40 40 40 50 0
QPF 12HR 0.04-0.26 0.09-0.79 0.07-0.49 0.07-1.27 0
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS SC SC IS IS IS SC SC
TSTMS IS IS IS IS IS IS
HEAT INDEX 92 86 80 91101101 92 86 80 91100102 93 87 81 92
MAX HEAT 104 92 93 110 107 91 95 110 107 92 94
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 92 76 92 76 92 77 92 77 92
TEMP 92 81 77 85 92 81 77 85 92 81 78 85 92 81 78 85 92 81
DEWPT 75 74 73 71 75 75 73 73 75 75 73 73 75 74 72 72 73 73
PWIND DIR E E SE E SE E E E E
WIND CHAR GN LT GN GN GN LT GN LT GN
AVG CLOUDS FW SC FW FW SC SC FW FW FW SC SC FW FW SC SC FW FW SC
POP 12HR 20 10 40 5 20 10 30 10 30
RAIN SHWRS IS IS IS IS SC IS IS IS IS SC IS IS IS SC SC
TSTMS IS IS IS IS IS IS IS IS
PRZ012-040800-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 81 86 89 94 81 86 89 94 82
TEMP 85 84 83 82 81 85 88 89 85 84 83 82 81 86 88 89 86 84 83 82 82 86
DEWPT 76 75 76 75 75 75 76 75 76 76 76 76 76 76 76 76 76 76 76 76 76 76
RH 75 74 80 79 82 72 68 64 75 77 80 82 85 72 68 66 72 77 80 82 82 72
WIND DIR E E E E E E E E E E E E E E E E E E E E E E
WIND SPD 13 14 16 14 12 12 13 11 12 14 14 14 11 11 10 11 12 14 16 13 12 13
CLOUDS SC SC B1 SC B1 B1 B1 B1 SC B2 B1 B1 B2 SC SC SC SC SC SC SC SC B2
POP 12HR 40 50 50 30 50
QPF 12HR 0.09 0.12 0.16-0.24 0.12 0.04
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS IS SC
TSTMS IS IS
HEAT INDEX 95 91 90 88 87 94 99 99 95 92 90 89 88 95100100 96 92 91 89 88 95
MAX HEAT 102 94 98 105 104 94 100 107 106 95 100
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 89 81 89 81 89 81 89 81 89
TEMP 89 84 82 85 89 83 82 85 89 84 82 86 89 84 82 86 89 84
DEWPT 76 76 76 76 76 76 76 76 76 76 76 76 76 76 75 76 73 73
PWIND DIR E E E E E E E E E
WIND CHAR GN GN BZ GN GN GN BZ BZ GN
AVG CLOUDS B1 SC SC B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC
POP 12HR 50 40 40 50 50 30 30 30 30
RAIN SHWRS SC SC SC SC SC SC IS SC SC SC SC SC SC IS IS SC SC IS
TSTMS IS IS IS IS IS
PRZ013-040800-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 80 85 89 92 80 85 89 92 80
TEMP 85 83 81 81 80 85 88 89 85 83 82 81 80 85 88 89 85 83 82 81 80 85
DEWPT 75 74 75 74 74 74 75 74 75 74 75 75 75 75 75 75 76 75 75 75 75 75
RH 72 74 82 79 82 70 66 61 72 74 79 82 85 72 66 64 75 77 79 82 85 72
WIND DIR E E E E E E E E E E E E E E E E E E E E E E
WIND SPD 13 14 16 13 11 12 12 11 11 14 14 12 10 11 10 11 12 13 14 13 11 12
CLOUDS SC SC B1 SC B1 B1 SC B1 SC B2 B1 SC SC SC SC SC SC SC SC SC SC B2
POP 12HR 40 60 60 30 50
QPF 12HR 0.08 0.08-0.28 0.10-0.32 0.12 0.04-0.10
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC SC SC SC SC SC NM SC SC SC SC SC SC SC IS IS IS IS SC
TSTMS IS IS IS IS
HEAT INDEX 93 89 87 85 83 93 98 98 93 89 88 86 84 94 98 99 94 90 89 87 85 94
MAX HEAT 98 91 96 102 101 91 96 103 102 94 96
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 89 80 89 80 89 80 89 80 89
TEMP 89 83 81 85 89 83 81 85 89 83 81 85 89 83 81 85 89 83
DEWPT 75 75 75 75 75 75 75 75 75 75 75 75 75 75 74 75 72 74
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN BZ BZ BZ GN
AVG CLOUDS B2 B2 SC B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC
POP 12HR 60 40 60 50 50 30 30 30 30
RAIN SHWRS NM NM SC SC NM NM IS SC SC SC SC SC SC IS IS SC SC IS
TSTMS IS IS IS IS IS IS
VIZ001-040800-
ST.THOMAS...ST. JOHN...AND ADJACENT ISLANDS-
INCLUDING THE CITIES OF ANNA'S RETREAT, CHARLOTTE AMALIE,
CHARLOTTE AMALIE EAST, CHARLOTTE AMALIE WEST, AND CRUZ BAY
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 70 80 82 85 87 93 70 80 82 85 87 94 70 80 82
TEMP 84 82 81 81 80 84 87 87 84 82 82 81 80 84 87 87 84 82 82 81 80 84
DEWPT 75 74 75 74 74 75 75 75 75 74 75 75 75 75 75 75 75 75 76 76 75 75
RH 74 77 82 79 82 74 68 68 74 77 79 82 85 74 68 68 74 79 82 85 85 74
WIND DIR E E E E E E E E E E E E E E E E E E E E E E
WIND SPD 14 14 17 13 14 13 14 13 12 14 16 14 13 11 11 11 13 16 16 14 14 13
CLOUDS SC SC SC SC B1 B1 B2 B1 B1 B1 SC SC B2 SC SC SC SC SC SC SC SC B2
POP 12HR 50 50 50 30 50
QPF 12HR 0.11 0.11 0.12 0.11 0.04
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC IS SC SC SC SC SC SC IS IS SC IS IS SC SC IS IS IS IS SC
TSTMS IS IS
HEAT INDEX 91 88 87 86 84 92 96 96 92 89 88 86 85 92 96 97 93 89 88 86 85 93
MAX HEAT 101 92 98 105 103 92 98 107 105 94 98
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 87 80 87 80 87 80 87 80 87
TEMP 87 82 81 84 87 82 80 84 87 82 81 84 87 82 81 84 87 82
DEWPT 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 75 72 72
PWIND DIR E E E E E E E E E
WIND CHAR GN BZ BZ GN BZ BZ BZ BZ BZ
AVG CLOUDS B1 SC SC B1 B1 SC SC SC B1 B1 SC SC SC SC SC SC SC SC
POP 12HR 50 40 40 50 50 30 20 20 30
RAIN SHWRS SC SC SC SC SC IS IS SC SC SC SC SC IS IS IS IS IS SC
TSTMS IS IS IS
VIZ002-040800-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
231 PM AST SAT OCT 3 2026
DATE 10/03/26 SUN 10/04/26 MON 10/05/26 TUE
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 80 85 89 94 80 85 89 94 80
TEMP 85 83 82 81 80 85 88 89 85 83 82 81 80 85 88 89 85 83 82 81 80 85
DEWPT 76 75 75 75 75 75 76 76 76 75 76 76 76 76 77 76 77 76 77 76 76 76
RH 75 77 79 82 85 72 68 66 75 77 82 85 88 75 70 66 77 80 85 85 88 75
WIND DIR E E E E E E E E E E E E E E E E E E E E E E
WIND SPD 13 12 13 11 10 12 13 12 12 12 12 11 10 11 12 13 13 13 13 12 11 13
CLOUDS SC SC SC SC SC SC B1 SC B1 B2 SC SC B1 SC SC SC SC SC SC SC SC B2
POP 12HR 30 50 50 30 50
QPF 12HR 0.05 0.11 0.12 0.12 0.04
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS SC SC SC SC SC SC IS IS SC SC SC SC SC IS IS IS IS SC
TSTMS IS IS
HEAT INDEX 93 90 88 86 83 94 99 99 93 90 88 86 84 95100101 95 91 89 87 85 95
MAX HEAT 103 92 99 108 106 93 100 110 107 94 100
DATE 10/06 WED 10/07/26 THU 10/08/26 FRI 10/09/26 SAT 10/10/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 89 80 89 80 89 80 89 80 89
TEMP 89 83 81 85 89 82 80 85 89 83 81 85 89 83 81 85 89 83
DEWPT 76 76 76 76 76 76 76 76 76 76 76 76 76 75 75 76 73 74
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN GN BZ GN GN
AVG CLOUDS B1 SC SC B1 B1 B1 SC SC B1 SC SC SC SC SC SC SC SC SC
POP 12HR 50 30 50 50 50 30 30 20 30
RAIN SHWRS SC SC SC SC SC IS IS SC SC SC SC SC SC IS IS IS IS SC
TSTMS IS IS IS IS
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