558
FOCA52 TJSJ 041831
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
231 PM AST SUN OCT 4 2026
PRZ001-050800-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 76 83 84 91 94 72 77 83 84 90 93 72 77 83
TEMP 83 80 78 77 76 84 90 91 84 81 79 78 77 84 89 90 84 81 80 78 77 83
DEWPT 76 75 75 75 74 77 77 77 77 76 76 75 75 77 77 76 76 75 75 75 74 76
RH 80 85 91 94 94 80 66 64 80 85 91 91 94 80 68 64 77 82 85 91 90 80
WIND DIR E SE SE SE SE SE E E E SE SE SE SE E E E E E E E E E
WIND SPD 11 6 4 4 3 3 11 14 11 6 5 4 3 5 9 12 10 6 5 4 4 8
WIND GUST 21
CLOUDS B2 B1 SC B1 B1 B1 SC B2 B1 B1 B1 B1 B1 FW FW B1 B1 SC SC SC SC SC
POP 12HR 50 60 50 30 30
QPF 12HR 0.14-0.30 0.23-0.41 0.09-0.25 0.11-0.22 0.05-0.11
SNOW 12HR MM MM MM
RAIN SHWRS NM SC SC SC SC SC SC NM SC SC SC SC SC IS IS SC SC SC SC IS IS IS
TSTMS IS IS IS IS IS IS
HEAT INDEX 91 85 81 94103104 94 87 82 94102103 93 88 83 81 91
MAX HEAT 109 95 100 115 113 96 100 114 113 95 98
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 76 90 77 90 76 90 76 90
TEMP 87 80 77 84 90 81 78 84 90 80 77 84 90 81 77 84 90 81
DEWPT 77 76 75 77 77 75 75 76 76 75 75 76 76 75 75 76 76 75
PWIND DIR E SE E E E E E SE E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW SC SC
POP 12HR 50 40 50 30 30 10 20 20 20
RAIN SHWRS SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS
TSTMS IS IS IS IS IS
PRZ002-050800-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 65 75 83 75 88 93 66 75 83 74 88 93 65 75 83
TEMP 82 79 78 76 75 83 87 88 82 79 78 76 75 83 87 88 82 79 78 76 75 82
DEWPT 73 73 74 73 74 75 74 74 74 74 75 74 74 75 74 74 74 74 74 73 74 75
RH 74 82 88 90 97 77 65 63 77 85 91 94 97 77 65 63 77 85 88 90 97 79
WIND DIR E E E SE E SE SE E E E E E E E E E E E E E E E
WIND SPD 10 8 8 5 4 5 10 12 10 8 8 6 5 6 9 9 8 6 6 6 6 10
WIND GUST 20 19 18
CLOUDS B2 B2 B2 B2 B2 B1 B1 B2 B2 B2 B2 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 60 50 50 40 30
QPF 12HR 0.22-0.32 0.22-0.41 0.19-0.27 0.18-0.26 0.12
SNOW 12HR MM MM MM
RAIN SHWRS NM NM SC SC NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 87 82 90 97 98 88 83 90 96 97 88 83 88
MAX HEAT 103 94 96 106 105 94 96 106 103 94 96
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 75 88 76 88 75 88 75 88
TEMP 87 79 76 82 88 79 77 83 88 79 76 82 88 79 76 82 88 79
DEWPT 74 74 74 75 74 74 74 75 74 74 74 75 74 73 73 74 74 74
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN GN GN LT GN GN GN
AVG CLOUDS B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC FW SC SC SC
POP 12HR 60 60 60 40 30 30 30 20 20
RAIN SHWRS SC SC NM NM NM SC SC SC IS SC SC SC SC IS IS IS IS IS
TSTMS IS IS IS IS IS IS
PRZ003-050800-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 75 83 79 88 93 67 75 83 79 89 94 68 75 83
TEMP 81 79 77 76 75 82 87 88 82 79 77 76 75 83 88 89 82 79 77 76 75 82
DEWPT 75 74 74 74 73 75 75 75 76 75 75 74 74 75 75 74 75 74 74 74 73 75
RH 82 85 90 94 94 79 68 66 82 88 94 94 97 77 66 61 79 85 90 94 94 79
WIND DIR E E E E E E E SE E E E E E E E E E E NE NE NE E
WIND SPD 9 6 5 4 4 6 11 12 10 6 6 5 5 6 9 10 8 6 6 6 6 9
WIND GUST 24 23 21 21 20
CLOUDS OV B1 B1 B1 B1 SC B1 B1 SC B1 B2 B1 B1 FW FW SC SC SC SC SC SC SC
POP 12HR 50 40 50 30 30
QPF 12HR 0.14-0.23 0.09-0.28 0.09-0.23 0.06-0.23 0.03-0.12
SNOW 12HR MM MM MM
RAIN SHWRS NM SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC IS IS SC
TSTMS IS IS
HEAT INDEX 88 82 89 98 99 89 83 90 98 98 89 83 88
MAX HEAT 106 94 98 109 109 94 100 110 107 94 97
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 75 88 75 88 74 88 75 88
TEMP 87 78 76 82 88 79 76 82 88 79 75 82 88 79 76 82 88 79
DEWPT 75 75 74 75 75 74 74 75 75 74 74 75 75 74 74 75 75 74
PWIND DIR E E E E E NE E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS B1 B1 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC FW SC SC SC
POP 12HR 50 50 50 40 20 10 10 10 20
RAIN SHWRS SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS IS IS IS IS
PRZ004-050800-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 78 87 92 67 72 76 78 87 92 67 72 77
TEMP 80 76 74 73 72 81 86 87 80 77 75 73 72 81 86 87 80 77 75 73 72 80
DEWPT 73 72 72 72 72 74 74 73 74 73 73 73 72 74 73 72 73 73 73 72 71 74
RH 79 87 93 97100 79 68 63 82 87 94100100 79 65 61 79 87 94 97 97 82
WIND DIR SE E E SE SE SE SE SE SE E E E E E E E E E E E E E
WIND SPD 9 4 3 3 2 4 10 11 9 4 4 3 3 4 8 9 8 3 3 2 3 6
CLOUDS OV B1 SC B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 FW FW B1 B1 SC SC SC SC SC
POP 12HR 40 50 50 30 30
QPF 12HR 0.12-0.28 0.13-0.41 0.09-0.27 0.12-0.32 0.05-0.11
SNOW 12HR MM MM MM
RAIN SHWRS NM SC SC SC SC SC SC SC SC SC SC SC SC IS IS SC SC SC SC IS IS SC
TSTMS IS IS IS IS
HEAT INDEX 83 85 94 95 84 86 94 95 84 84
MAX HEAT 102 85 96 107 105 86 97 106 103 87 94
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 86 72 87 72 87 72 86
TEMP 86 76 73 80 86 77 73 80 87 76 73 80 87 76 73 80 86 76
DEWPT 73 73 73 74 73 73 73 74 73 72 72 74 73 72 72 73 74 73
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC SC SC FW FW SC SC
POP 12HR 50 50 50 40 30 10 10 20 20
RAIN SHWRS SC SC SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS IS IS IS IS
PRZ005-050800-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 71 74 83 85 90 94 71 74 83 85 90 94 71 75 83
TEMP 82 78 76 74 74 83 89 90 82 79 77 75 74 83 89 90 83 80 78 76 75 82
DEWPT 75 75 74 73 73 76 77 77 77 76 75 74 73 76 77 77 76 75 75 74 73 76
RH 79 91 94 97 97 80 68 66 85 91 94 97 97 80 68 66 80 85 91 94 94 82
WIND DIR E SE SE SE SE SE E NE SE SE SE SE SE E E NE E E E SE E E
WIND SPD 9 6 4 3 3 3 9 12 9 6 4 3 4 5 8 10 8 6 6 4 4 5
WIND GUST 19 25 21 21 19
CLOUDS OV B2 SC SC SC SC SC B2 B2 B1 SC SC SC CL CL B1 B1 FW FW FW FW SC
POP 12HR 60 60 50 50 20
QPF 12HR 0.13-0.24 0.20-1.20 0.08-0.23 0.10-1.03 0.01-0.07
SNOW 12HR MM MM MM
RAIN SHWRS NM SC IS IS SC SC IS SC SC SC IS IS IS SC SC IS IS IS IS IS
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 88 91102104 91 81 92102103 91 83 89
MAX HEAT 109 94 100 114 111 95 100 114 113 94 98
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 89 74 90 74 90 74 89
TEMP 87 78 75 83 89 79 75 83 90 79 75 83 90 79 75 83 89 79
DEWPT 77 75 74 76 77 75 74 76 76 75 74 76 76 75 74 76 76 75
PWIND DIR E SE E SE E E E SE E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC B1 SC SC B1 B1 SC SC SC SC FW FW SC SC FW FW FW SC
POP 12HR 50 20 50 20 40 5 40 0 20
RAIN SHWRS IS SC IS IS IS SC IS IS SC SC IS IS SC SC IS IS
TSTMS IS IS IS IS IS
PRZ006-050800-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 61 70 75 72 85 92 62 71 76 72 85 92 62 71 76
TEMP 77 75 73 71 70 78 84 85 78 75 73 72 71 79 84 85 78 75 74 72 71 78
DEWPT 72 71 71 71 70 72 73 72 73 72 72 71 70 73 73 72 72 71 71 71 70 72
RH 85 87 93100100 82 70 65 85 90 97 97 97 82 70 65 82 87 90 97 97 82
WIND DIR SE E E SE SE SE SE SE SE SE E E E E E E E E E E E E
WIND SPD 4 4 3 2 2 3 8 8 6 4 3 3 2 3 6 5 3 3 3 2 3 4
WIND GUST 24 21 21
CLOUDS OV B1 SC SC SC SC SC B2 B2 B1 SC SC SC CL CL B2 B2 SC SC FW FW SC
POP 12HR 40 60 40 50 20
QPF 12HR 0.11-0.18 0.15-1.05 0.07-0.17 0.11-1.06 0.03
SNOW 12HR MM MM MM
RAIN SHWRS NM SC IS IS SC IS IS SC NM SC IS IS IS NM NM IS IS IS
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 81 90 91 81 81 89 91 81 80
MAX HEAT 105 98 109 106 87 98 108 106 87 96
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 84 71 83 71 84 70 84 71 84
TEMP 84 75 72 78 83 75 72 78 84 74 71 78 84 75 72 78 84 75
DEWPT 72 72 72 73 73 71 72 72 72 71 71 72 72 71 71 72 72 71
PWIND DIR E E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT GN
AVG CLOUDS SC B1 SC SC B1 B1 SC SC SC SC SC FW FW SC FW FW FW SC
POP 12HR 50 30 40 30 40 5 40 0 10
RAIN SHWRS IS SC SC SC SC SC SC IS IS IS IS IS SC SC IS IS
TSTMS IS IS IS
PRZ007-050800-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 61 74 83 72 88 95 61 74 83 72 88 95 62 74 83
TEMP 81 78 76 75 74 82 87 88 81 78 76 75 74 82 87 88 82 78 77 75 74 81
DEWPT 74 73 72 71 71 72 74 74 75 74 73 72 71 72 74 74 74 73 72 71 70 72
RH 79 85 87 87 90 72 65 63 82 88 90 90 90 72 65 63 77 85 85 87 87 74
WIND DIR SE E E E E E SE SE SE E E NE NE E E SE E E NE NE NE E
WIND SPD 5 5 4 3 4 4 10 10 8 5 4 4 4 4 9 8 5 3 3 3 4 4
WIND GUST 24 23 20 21 20
CLOUDS B2 B1 SC SC SC SC SC SC B1 SC SC SC SC CL CL B1 B1 FW FW FW FW SC
POP 12HR 30 40 20 30 20
QPF 12HR 0.09-0.17 0.09-0.91 0.04-0.17 0.06-0.96 0.02
SNOW 12HR MM MM MM
RAIN SHWRS NM SC IS IS SC IS IS IS SC IS IS IS IS SC SC IS
TSTMS IS IS IS IS
HEAT INDEX 86 80 87 96 97 87 81 87 96 97 87 81 85
MAX HEAT 105 94 96 109 107 95 96 109 106 95 96
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 74 87 74 88 73 88 74 87
TEMP 86 78 75 81 87 78 75 82 88 78 74 82 88 78 75 81 87 78
DEWPT 74 74 72 73 74 73 72 72 74 73 71 72 74 73 71 72 72 71
PWIND DIR SE E E E E NE E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC B1 SC SC B1 SC SC SC SC SC FW FW FW SC FW FW FW SC
POP 12HR 40 30 40 10 30 5 40 0 30
RAIN SHWRS IS SC SC SC SC SC IS IS IS SC IS IS SC SC IS IS
TSTMS IS IS
PRZ008-050800-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 72 83 86 88 94 68 73 83 86 88 95 68 73 83
TEMP 80 77 75 73 72 81 87 88 81 77 75 74 73 81 87 88 81 77 76 74 73 80
DEWPT 74 74 73 72 71 74 76 76 75 75 74 73 72 74 76 77 75 75 74 73 71 74
RH 82 90 94 97 97 79 70 68 82 94 97 97 97 79 70 70 82 94 94 97 93 82
WIND DIR SE SE SE SE SE E NE NE E SE SE SE SE E E NE E E E E E E
WIND SPD 6 6 3 3 3 4 6 8 4 3 3 3 4 4 4 5 5 6 6 5 6 8
WIND GUST 19
CLOUDS OV OV SC SC SC SC SC B2 OV B2 SC SC SC CL CL B2 B2 SC SC FW FW SC
POP 12HR 70 90 70 60 10
QPF 12HR 0.22-0.31 0.48-1.25 0.12-0.24 0.55-1.06 0.01-0.07
SNOW 12HR MM MM MM
RAIN SHWRS D NM IS IS IS IS IS NM D NM IS IS IS NM NM IS IS IS
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 83 86 98 99 85 87 98100 86 83
MAX HEAT 106 94 94 112 107 95 96 112 109 94 96
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 73 87 72 88 72 88 73 87
TEMP 86 77 73 81 87 77 73 81 88 77 73 81 88 77 74 81 87 77
DEWPT 76 75 73 74 77 75 73 74 76 75 73 74 76 74 73 73 74 73
PWIND DIR E SE E E E E E E E
WIND CHAR GN LT LT LT GN GN GN GN GN
AVG CLOUDS SC B2 SC SC B1 B2 SC FW SC SC CL CL SC SC CL CL FW SC
POP 12HR 70 20 70 10 50 0 50 0 40
RAIN SHWRS NM NM IS IS NM NM IS IS SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
PRZ009-050800-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 64 70 75 73 85 96 65 71 75 73 86 96 65 71 75
TEMP 78 75 73 72 70 79 84 85 78 75 73 72 71 79 84 86 78 75 73 72 71 78
DEWPT 71 71 71 70 69 72 73 73 72 72 72 71 69 71 73 73 72 72 72 70 68 71
RH 79 87 93 93 97 79 70 67 82 90 97 97 93 77 70 65 82 90 97 93 90 79
WIND DIR SE SE SE SE SE SE SE E E SE SE SE E E E E E E E E E E
WIND SPD 3 3 3 3 3 3 4 4 2 3 3 3 3 3 3 3 3 3 3 3 3 3
WIND GUST 20 21 12
CLOUDS OV B2 SC SC SC SC SC B2 OV OV SC SC SC CL CL OV OV FW FW FW FW SC
POP 12HR 70 90 70 70 10
QPF 12HR 0.10-0.29 0.30-1.27 0.07-0.25 0.28-1.11 0.02
SNOW 12HR MM MM MM
RAIN SHWRS D NM IS IS IS IS IS NM D NM IS IS IS NM NM IS IS IS
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 81 91 92 80 81 91 93 81 80
MAX HEAT 109 86 95 113 110 87 95 111 109 86 91
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 84 71 84 70 85 70 85 71 84
TEMP 84 75 72 78 84 74 71 79 85 75 71 78 85 75 72 78 84 75
DEWPT 73 72 71 72 74 72 71 71 73 72 70 71 73 72 70 71 71 71
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 B2 SC SC B1 B1 SC FW SC B1 FW FW SC B1 CL CL FW SC
POP 12HR 70 20 70 10 60 0 60 0 50
RAIN SHWRS NM NM IS IS IS IS IS IS NM NM NM NM SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ010-050800-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 73 83 77 91 96 66 73 83 77 91 96 67 74 83
TEMP 82 78 76 74 73 83 89 91 82 78 76 74 73 83 89 91 83 79 77 75 74 82
DEWPT 75 74 74 73 71 74 76 76 76 75 75 73 72 74 76 77 76 75 74 73 71 74
RH 79 88 94 97 93 74 66 62 82 91 97 97 97 74 66 64 80 88 90 94 90 77
WIND DIR E E E E E E SE N E E E E E E E E E E E E E E
WIND SPD 3 5 5 6 5 5 4 5 4 3 5 5 5 4 3 3 4 5 5 4 5 6
WIND GUST 16 17 16 17 17 16 16 17
CLOUDS OV B2 SC SC SC SC SC B1 OV B1 SC SC SC CL CL B2 B2 SC SC FW FW SC
POP 12HR 70 80 50 70 10
QPF 12HR 0.06-0.32 0.03-1.16 0.02-0.20 0.08-1.12 0.01-0.10
SNOW 12HR MM MM MM
RAIN SHWRS D NM IS IS IS IS IS NM D SC IS IS IS NM NM IS IS IS
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 89 90102103 90 90102104 91 81 88
MAX HEAT 110 94 98 118 110 95 98 116 114 94 96
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 90 73 91 73 91 73 90
TEMP 88 78 75 83 90 78 74 83 91 78 74 83 91 79 75 83 90 78
DEWPT 76 75 73 75 77 75 73 74 77 75 73 74 77 75 73 74 74 73
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 B1 SC SC B1 B1 SC FW SC SC FW FW SC B1 FW FW FW SC
POP 12HR 70 20 70 10 60 0 60 0 50
RAIN SHWRS IS IS IS IS IS NM IS IS NM NM NM NM SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ011-050800-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 83 86 93 96 72 75 83 86 93 96 72 75 83
TEMP 84 80 78 76 75 85 91 93 84 80 78 76 75 85 92 93 84 80 78 76 75 83
DEWPT 76 76 75 73 72 75 77 77 77 76 76 74 73 75 77 77 77 76 75 73 72 74
RH 77 88 91 90 90 72 64 60 80 88 94 94 94 72 62 60 80 88 91 90 90 74
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 6 6 8 9 6 6 10 13 11 9 8 8 8 6 11 10 8 5 5 5 4 4
WIND GUST 23 26 24 20 19 23 20
CLOUDS B1 B1 SC SC SC SC SC SC B1 SC SC SC SC CL CL B1 B1 FW FW FW FW SC
POP 12HR 30 40 20 30 10
QPF 12HR 0.09-0.18 0.11-0.56 0.04-0.11 0.08-0.86 0.02
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS IS IS IS IS IS SC IS IS IS IS SC SC IS
TSTMS IS IS IS IS
HEAT INDEX 93 84 93105107 94 85 93105107 95 86 91
MAX HEAT 110 94 98 113 110 95 96 113 110 95 95
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 92 74 93 74 93 74 92
TEMP 90 79 76 85 92 80 76 85 93 80 75 85 93 80 75 84 92 79
DEWPT 77 76 74 75 78 76 73 74 77 76 73 74 77 76 73 74 75 74
PWIND DIR SE E E E E E E E E
WIND CHAR GN LT GN GN GN LT GN LT GN
AVG CLOUDS SC B1 SC SC SC SC SC FW FW SC FW FW FW SC CL CL FW SC
POP 12HR 40 20 30 10 30 0 30 0 20
RAIN SHWRS SC SC IS IS SC SC IS IS SC SC SC SC IS IS
TSTMS IS
PRZ012-050800-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 77 80 83 86 89 95 76 80 83 86 88 94 76 79 83
TEMP 85 83 82 81 80 85 88 89 85 83 81 80 80 85 88 88 84 82 81 80 79 84
DEWPT 76 75 76 76 76 76 76 76 77 76 76 76 76 76 76 76 76 75 76 76 76 76
RH 75 77 82 85 88 75 68 66 77 80 85 88 88 75 68 68 77 79 85 88 91 77
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 12 13 14 10 10 12 11 12 12 14 13 13 12 12 11 10 11 12 13 14 14 16
CLOUDS B1 B1 B2 B1 B2 B1 B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 50 50 40 40 30
QPF 12HR 0.21 0.17 0.16 0.25 0.14
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS
HEAT INDEX 94 90 88 86 85 95100101 95 91 88 85 82 94 98 99 93 89 87 85 82 93
MAX HEAT 105 94 99 110 109 95 96 106 105 94 96
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 79 89 80 89 79 88 79 88
TEMP 88 82 80 85 89 82 80 85 89 82 80 85 88 82 80 84 88 82
DEWPT 76 76 76 76 76 76 76 76 76 75 76 75 75 75 75 75 75 75
PWIND DIR SE E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN BZ BZ
AVG CLOUDS B1 B2 B2 B2 B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC SC
POP 12HR 60 60 60 40 30 30 30 20 20
RAIN SHWRS SC NM NM NM NM NM SC SC SC SC SC SC SC IS IS IS IS IS
TSTMS IS IS IS IS IS IS
PRZ013-050800-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 75 79 83 84 89 92 74 78 83 84 89 92 74 77 83
TEMP 84 82 80 79 79 85 88 89 84 81 80 79 78 84 88 89 83 81 79 78 77 83
DEWPT 74 74 75 75 75 75 75 75 75 75 76 75 75 75 75 74 75 75 75 75 75 75
RH 72 77 85 88 88 72 66 64 74 82 88 88 91 74 66 61 77 82 88 91 94 77
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 11 12 13 9 9 11 11 12 12 14 13 12 12 11 10 9 10 12 13 14 14 16
CLOUDS B2 B1 B2 B1 B2 SC B2 B1 B1 B1 B1 B1 B1 B1 B1 B1 B1 SC SC SC SC B1
POP 12HR 50 50 40 40 40
QPF 12HR 0.20 0.16-0.25 0.15-0.22 0.25 0.14
SNOW 12HR MM MM MM
RAIN SHWRS NM SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS
HEAT INDEX 91 87 85 82 80 93 98 99 92 88 83 80 92 98 98 91 86 81 90
MAX HEAT 101 94 96 105 103 94 94 103 101 94 94
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 78 89 79 89 78 89 78 88
TEMP 88 81 79 84 89 82 79 84 89 81 79 84 89 81 79 84 88 81
DEWPT 75 75 75 75 74 75 75 75 74 75 75 74 74 74 74 74 74 74
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN BZ BZ
AVG CLOUDS B1 B2 B2 B2 B2 B1 B1 B1 SC SC SC SC SC SC SC SC SC SC
POP 12HR 60 60 60 40 30 30 30 20 20
RAIN SHWRS SC NM NM NM NM SC SC SC IS SC SC SC SC IS IS IS IS IS
TSTMS IS IS IS IS IS IS
VIZ001-050800-
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 SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 79 83 82 87 94 68 79 83 82 87 93 66 78 83
TEMP 83 81 81 80 79 84 86 87 84 82 81 80 79 84 86 87 83 81 80 79 78 83
DEWPT 74 74 75 75 75 75 76 75 76 75 76 75 75 75 75 74 75 74 75 75 75 75
RH 74 79 82 85 88 74 72 68 77 79 85 85 88 74 70 65 77 79 85 88 91 77
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 12 13 14 12 11 12 13 13 13 14 14 13 13 13 12 11 11 12 13 14 16 16
CLOUDS B1 B1 B1 B1 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR 40 50 30 30 40
QPF 12HR 0.15 0.13 0.08 0.11-0.20 0.14
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC SC SC SC IS SC SC SC SC SC SC IS IS SC SC SC SC SC
HEAT INDEX 90 87 85 84 82 92 96 97 92 88 86 84 82 91 95 96 90 85 84 81 90
MAX HEAT 105 94 98 107 106 95 98 105 103 94 96
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 78 87 78 87 78 87 77 87
TEMP 86 80 78 83 87 81 79 83 87 81 79 83 87 80 78 83 87 80
DEWPT 74 74 75 75 75 74 75 75 75 74 75 75 74 74 74 74 74 74
PWIND DIR E E E E E E E E E
WIND CHAR BZ GN BZ BZ BZ GN GN BZ BZ
AVG CLOUDS B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 60 60 60 20 20 20 20 20 20
RAIN SHWRS SC NM NM NM NM SC IS IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS IS IS IS
VIZ002-050800-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
231 PM AST SUN OCT 4 2026
DATE 10/04/26 MON 10/05/26 TUE 10/06/26 WED
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 75 78 83 85 89 96 74 77 83 84 89 96 74 77 83
TEMP 83 81 80 79 78 84 88 89 83 81 79 78 77 83 88 89 83 81 79 78 77 83
DEWPT 76 75 76 76 76 77 77 77 77 76 77 76 76 76 76 76 76 76 76 76 75 76
RH 80 82 88 91 94 80 70 68 82 85 94 94 97 80 68 66 80 85 91 94 94 80
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 11 10 11 10 9 11 12 13 12 12 12 12 12 12 12 11 10 11 11 14 14 14
CLOUDS B2 B2 B2 SC SC SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC B1
POP 12HR 50 40 30 30 40
QPF 12HR 0.11 0.07 0.07 0.20 0.14
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC IS IS IS SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS
HEAT INDEX 92 87 82 80 94100101 92 86 81 92 99100 92 87 81 91
MAX HEAT 107 94 102 115 110 95 99 112 109 95 99
DATE 10/07 THU 10/08/26 FRI 10/09/26 SAT 10/10/26 SUN 10/11/26
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 78 89 78 89 78 88 78 88
TEMP 87 81 79 84 89 81 78 84 89 81 78 84 88 81 79 84 88 81
DEWPT 76 76 76 76 76 76 76 76 76 75 75 75 75 75 75 75 75 74
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN BZ GN GN GN BZ
AVG CLOUDS B1 B2 B2 B2 B2 B1 SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 60 60 60 20 20 20 20 20 30
RAIN SHWRS SC NM NM NM NM SC IS IS IS IS IS IS IS IS IS IS IS SC
TSTMS IS IS IS IS IS
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page