166
FOCA52 TJSJ 251831
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
231 PM AST SAT JUL 25 2026
PRZ001-260800-
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 JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 78 82 83 88 91 72 76 82 83 90 94 73 77 82
TEMP 85 81 79 78 79 84 87 88 85 80 78 77 78 84 89 90 87 81 79 78 79 85
DEWPT 77 77 76 76 75 77 77 77 76 75 75 75 74 76 76 76 76 76 75 75 75 76
RH 77 88 91 94 88 80 72 70 75 85 91 94 88 77 66 64 70 85 88 91 88 75
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 14 10 8 8 8 10 13 16 13 8 6 5 5 6 11 14 11 8 6 5 5 9
WIND GUST 25 27 24 25
CLOUDS FW SC SC B2 B2 B1 SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC
POP 12HR 50 50 40 40 20
QPF 12HR 0.17-0.25 0.24-0.47 0.05-0.20 0.22-0.95 0.02-0.09
SNOW 12HR MM MM MM
RAIN SHWRS IS SC IS SC SC SC SC SC SC IS SC IS SC IS IS SC SC IS IS IS IS IS
TSTMS IS IS
HEAT INDEX 97 88 83 82 93 98101 95 85 81 80 93100102 97 88 82 82 95
MAX HEAT 109 94 99 109 105 92 98 109 108 92 99
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 78 89 78 90 78 89 77 89
TEMP 90 82 78 84 89 82 78 85 90 82 78 84 89 81 78 85 89 81
DEWPT 77 76 76 77 77 76 75 76 76 76 75 76 76 75 74 76 70 71
PWIND DIR E E E E E E E E E
WIND CHAR GN LT BZ GN GN GN GN GN GN
AVG CLOUDS SC SC SC SC SC SC FW FW SC FW FW FW SC SC SC SC FW CL
POP 12HR 30 30 30 10 10 10 20 20 20
RAIN SHWRS SC SC IS IS SC SC IS IS IS IS IS IS IS IS IS IS
PRZ002-260800-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 77 82 75 86 91 65 76 82 75 89 94 66 77 82
TEMP 84 80 79 77 78 83 86 86 84 80 78 76 78 84 88 89 86 81 79 77 78 84
DEWPT 76 75 75 75 75 75 75 76 75 75 74 74 74 74 74 75 75 75 74 74 74 75
RH 77 85 88 94 91 77 70 72 74 85 88 94 88 72 63 64 70 82 85 90 88 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 13 11 11 9 10 11 13 13 12 9 9 6 5 6 10 11 10 8 9 8 8 11
WIND GUST 21 21 19 24 19 19 24
CLOUDS SC SC SC B1 B2 B2 SC SC SC SC SC B1 SC B1 B1 B1 B1 SC SC SC SC B1
POP 12HR 50 50 50 50 40
QPF 12HR 0.18-0.26 0.33-0.48 0.17-0.24 0.27-0.64 0.09
SNOW 12HR MM MM MM
RAIN SHWRS IS 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 93 86 82 81 90 94 96 92 84 80 80 91 96 98 94 86 82 81 91
MAX HEAT 105 94 98 106 104 91 99 108 107 92 98
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 87 78 88 78 87 77 87
TEMP 89 81 78 83 87 81 78 84 88 81 78 84 87 80 78 83 87 80
DEWPT 76 75 75 76 76 75 75 75 75 75 74 75 75 74 74 74 72 73
PWIND DIR E E E E E E E E E
WIND CHAR GN GN BZ GN GN GN GN GN GN
AVG CLOUDS B1 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC CL
POP 12HR 40 50 50 20 20 10 30 30 30
RAIN SHWRS SC SC SC SC SC SC IS IS IS IS IS IS IS SC SC SC SC
TSTMS IS IS
PRZ003-260800-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 77 82 77 87 91 68 76 82 77 88 94 68 76 82
TEMP 85 80 79 77 78 83 86 87 84 79 78 76 77 83 87 88 85 80 78 77 78 83
DEWPT 76 76 75 75 75 75 75 75 74 74 74 73 73 74 73 74 74 74 74 74 74 74
RH 75 88 88 94 91 77 70 68 72 85 88 90 87 74 63 63 70 82 88 90 88 74
WIND DIR E E E NE NE E E E E E E E E E E E E E E E E E
WIND SPD 13 10 9 8 8 9 14 14 12 10 9 5 5 5 10 10 9 5 6 6 6 10
WIND GUST 27 18 19 28 33 26 24 23
CLOUDS FW SC SC B1 B2 SC FW SC SC SC FW B1 SC SC SC B1 B1 SC SC SC SC B1
POP 12HR 50 40 50 40 40
QPF 12HR 0.24 0.12-0.47 0.10-0.23 0.16-0.62 0.08
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC SC IS IS SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC
HEAT INDEX 94 85 82 81 90 95 96 91 83 80 89 95 97 93 85 81 80 90
MAX HEAT 106 94 100 106 101 90 96 104 104 91 97
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 77 87 78 88 77 88 76 87
TEMP 88 81 77 83 87 81 78 84 88 81 78 83 88 80 77 83 87 80
DEWPT 75 75 74 75 75 74 74 74 73 74 74 73 73 73 73 74 70 72
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS B1 SC SC SC B1 SC SC SC FW FW FW FW FW SC SC SC SC CL
POP 12HR 40 40 40 10 5 10 20 20 20
RAIN SHWRS SC SC IS IS SC IS IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS
PRZ004-260800-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 78 75 85 91 68 73 77 75 87 94 68 74 77
TEMP 83 78 76 74 76 81 85 85 83 77 75 73 75 81 86 87 84 78 76 74 75 82
DEWPT 75 74 74 74 73 75 74 74 74 73 73 72 72 74 74 74 74 73 73 73 73 74
RH 77 88 94100 90 82 70 70 74 87 94 97 90 79 68 65 72 85 90 97 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 12 6 5 4 4 6 12 13 11 6 5 3 2 4 10 11 9 4 4 4 4 8
CLOUDS FW SC SC B1 B2 B1 SC SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC SC
POP 12HR 50 50 50 40 30
QPF 12HR 0.24 0.20-0.48 0.07-0.23 0.20-0.62 0.07
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC SC SC IS SC SC IS IS SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS
HEAT INDEX 90 80 86 92 94 88 87 94 95 90 80 88
MAX HEAT 105 90 98 105 101 87 97 106 105 88 97
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 86 75 87 74 86 73 86
TEMP 87 79 75 81 86 78 75 82 87 78 75 82 86 78 74 81 86 78
DEWPT 75 74 73 75 75 74 73 74 74 73 73 74 73 73 72 74 68 70
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN GN GN LT GN LT GN
AVG CLOUDS B1 SC SC SC B1 SC FW FW FW FW FW FW SC SC SC SC SC CL
POP 12HR 40 40 40 5 10 10 20 20 20
RAIN SHWRS SC SC IS IS SC IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS
PRZ005-260800-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 74 76 82 84 88 91 72 75 82 84 91 94 73 75 82
TEMP 86 80 78 77 78 84 88 88 85 79 77 76 77 84 89 91 87 80 78 76 77 85
DEWPT 78 77 76 75 74 77 77 79 77 76 75 74 73 76 77 78 78 77 75 74 75 76
RH 77 91 94 94 88 80 70 75 77 91 94 94 87 77 68 66 75 91 91 94 94 75
WIND DIR E E E E E E E E E E SE SE SE E E E E E E SE SE E
WIND SPD 18 13 9 8 10 11 14 19 17 10 6 4 6 6 11 12 6 4 5 5 5 6
WIND GUST 34 26 26 34 31 25 17
CLOUDS SC SC FW B2 B1 B1 SC B1 B1 FW FW FW FW FW FW B2 B2 FW FW FW FW FW
POP 12HR 50 40 10 60 0
QPF 12HR 0.10-0.25 0.20-0.73 0.02-0.10 0.33-1.15 0.01
SNOW 12HR MM MM MM
RAIN SHWRS IS SC IS SC SC SC SC SC SC IS IS IS IS IS NM NM IS IS IS IS IS
TSTMS IS IS IS
HEAT INDEX 98 87 93100104 96 84 93102105 99 86 94
MAX HEAT 110 94 100 112 110 92 99 111 111 92 100
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 76 90 77 91 77 90 75 90
TEMP 91 81 77 84 90 81 77 85 91 81 78 84 90 80 76 84 90 80
DEWPT 79 77 75 77 78 76 75 76 77 76 75 76 77 76 74 76 72 69
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN GN BZ GN BZ GN GN
AVG CLOUDS SC SC FW FW SC SC CL FW FW FW CL FW FW SC FW FW FW CL
POP 12HR 30 5 40 0 10 0 10 5 5
RAIN SHWRS SC SC IS IS IS SC IS IS IS IS IS IS IS
TSTMS IS IS IS IS
PRZ006-260800-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 64 73 77 75 84 91 62 71 76 75 85 93 63 72 76
TEMP 81 77 75 73 74 79 83 84 81 76 74 72 73 79 84 85 82 76 74 72 74 80
DEWPT 73 73 73 72 72 73 73 73 73 72 71 70 70 72 73 73 73 72 72 71 72 73
RH 77 87 94 97 93 82 72 70 77 87 90 93 90 79 70 67 74 87 93 97 93 79
WIND DIR E E E E E E E E E E E E E E E E SE E E E E E
WIND SPD 12 5 4 4 4 5 10 13 11 5 4 3 3 4 8 9 6 3 3 3 3 5
WIND GUST 26 28 33 26 23 23
CLOUDS FW SC FW SC B1 SC FW SC B1 FW FW FW SC FW FW B2 B2 SC SC SC SC FW
POP 12HR 50 40 20 50 10
QPF 12HR 0.05-0.25 0.14-0.70 0.02-0.12 0.17-1.16 0.00-0.05
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS SC IS IS SC SC IS IS IS IS IS NM NM IS IS IS IS IS
TSTMS IS IS IS
HEAT INDEX 86 83 89 90 85 82 89 91 86 83
MAX HEAT 106 89 98 106 102 85 96 107 106 86 96
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 73 84 73 85 73 85 72 85
TEMP 85 77 73 80 84 77 73 80 85 77 73 80 85 76 73 80 85 76
DEWPT 74 73 72 74 73 72 72 73 72 72 71 72 72 71 71 72 67 66
PWIND DIR SE E E E E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC FW FW SC SC FW FW FW FW CL CL FW SC FW FW FW CL
POP 12HR 30 5 20 0 10 0 20 10 10
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS
PRZ007-260800-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 76 82 75 87 91 62 74 82 75 88 94 62 75 82
TEMP 85 80 78 76 77 82 86 87 84 79 77 75 76 83 87 88 85 79 77 76 77 83
DEWPT 76 74 73 72 71 73 74 74 74 73 72 71 70 71 72 73 74 73 73 72 72 72
RH 75 82 85 87 82 74 68 65 72 82 85 87 82 67 61 61 70 82 87 87 85 70
WIND DIR SE E E NE NE E SE SE SE E E NE NE E SE SE SE E E NE E E
WIND SPD 13 8 5 5 4 4 13 16 12 8 5 4 4 4 10 10 8 4 5 4 4 5
WIND GUST 29 23 29 35 29 20 24 23
CLOUDS FW FW FW FW B1 FW CL SC SC FW CL FW SC FW FW B1 B1 SC SC SC SC FW
POP 12HR 30 40 20 40 10
QPF 12HR 0.01-0.23 0.10-0.63 0.02-0.11 0.15-1.05 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS SC IS SC SC IS IS IS SC SC IS IS IS IS IS
TSTMS IS IS
HEAT INDEX 94 84 88 94 96 91 82 87 94 96 92 83 88
MAX HEAT 110 92 95 106 103 90 94 105 104 92 95
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 76 88 76 89 76 88 75 88
TEMP 88 80 76 83 88 80 77 84 89 80 77 83 88 79 76 83 88 79
DEWPT 74 74 72 73 74 72 71 72 72 72 71 70 73 72 70 71 71 69
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 SC FW FW FW FW FW FW FW FW CL CL FW FW FW FW FW CL
POP 12HR 30 5 5 0 5 0 5 5 5
RAIN SHWRS SC SC IS IS IS IS IS IS IS
TSTMS IS
PRZ008-260800-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 71 74 82 83 87 91 69 73 82 84 89 94 70 74 82
TEMP 84 79 77 75 76 82 86 87 84 78 75 74 75 82 87 89 85 79 76 75 76 82
DEWPT 77 77 76 74 73 75 76 78 76 76 75 73 72 74 76 77 76 76 75 73 74 75
RH 80 94 97 97 90 79 72 75 77 94100 97 90 77 70 68 75 91 97 94 94 79
WIND DIR E E E E E E E NE E E E E E E E NE E E E E E E
WIND SPD 16 17 12 10 10 12 13 14 14 9 6 5 6 8 8 6 3 2 4 4 5 5
WIND GUST 33 29 23 21 26 32 28 19 17
CLOUDS B1 SC FW B1 SC SC FW B2 B2 FW FW FW FW FW FW B2 B2 SC SC SC SC CL
POP 12HR 40 60 10 60 10
QPF 12HR 0.05-0.17 0.47-0.76 0.03 0.66-1.16 0.02
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS SC SC IS IS NM NM IS IS IS IS NM NM IS IS IS IS
TSTMS IS IS IS IS IS
HEAT INDEX 94 81 88 95100 92 89 98101 95 81 89
MAX HEAT 108 94 96 108 106 91 96 110 108 91 96
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 74 89 75 89 75 88 74 88
TEMP 89 79 75 83 89 79 76 84 89 80 76 83 88 79 75 83 88 79
DEWPT 78 76 74 76 77 76 74 75 76 75 74 74 76 75 73 74 73 72
PWIND DIR E E E E E E E E E
WIND CHAR LT LT GN GN BZ GN BZ GN GN
AVG CLOUDS SC B1 CL FW SC B1 CL CL FW SC CL CL SC SC CL FW FW SC
POP 12HR 60 5 60 0 30 0 50 0 40
RAIN SHWRS NM NM NM NM SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS
PRZ009-260800-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 77 75 84 91 65 71 76 75 85 94 65 72 76
TEMP 82 77 75 73 74 80 84 84 81 76 73 72 73 80 84 85 82 76 74 72 73 80
DEWPT 75 74 73 72 71 73 74 76 74 73 72 71 70 72 74 75 74 73 73 71 71 73
RH 79 90 94 97 90 79 72 77 79 90 97 97 90 77 72 72 77 90 97 97 93 79
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 8 6 4 4 4 5 6 8 5 4 4 3 3 3 4 3 3 2 3 3 3 4
WIND GUST 23 19 25 29 19 21 20
CLOUDS B1 SC FW SC SC FW FW B2 B2 CL CL FW FW CL CL OV OV FW FW FW FW CL
POP 12HR 10 70 10 70 5
QPF 12HR 0.01-0.13 0.24-0.76 0.02 0.34-1.16 0.01
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS NM NM IS NM NM IS IS IS IS
TSTMS IS IS IS IS IS
HEAT INDEX 89 83 90 93 86 83 91 94 88 84
MAX HEAT 110 89 95 109 107 84 95 111 110 85 95
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 73 87 73 86 72 85
TEMP 86 77 73 80 85 77 73 81 87 77 73 80 86 76 73 80 85 76
DEWPT 76 74 71 73 75 73 71 72 73 73 71 72 74 73 71 72 70 68
PWIND DIR E E E E E E E E E
WIND CHAR LT LT LT LT GN LT LT LT LT
AVG CLOUDS SC B1 CL FW SC SC CL CL FW SC CL CL FW SC CL FW FW FW
POP 12HR 60 5 50 0 40 0 40 0 5
RAIN SHWRS NM NM SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
PRZ010-260800-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 77 89 91 67 74 82 76 91 94 68 75 82
TEMP 86 80 78 76 77 83 88 89 85 79 77 75 76 84 90 91 87 80 77 76 77 84
DEWPT 79 77 77 75 73 76 77 79 77 76 75 74 72 75 77 77 77 76 76 74 74 75
RH 80 91 97 97 87 80 70 73 77 91 94 97 87 74 66 64 72 88 97 94 90 74
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 6 8 6 6 6 8 5 6 9 8 6 5 5 5 4 4 3 4 4 5 5 5
WIND GUST 19 24 18 18 17 18 18 19 19 19 19 17 17 17 19 18 19 20
CLOUDS B1 SC FW FW SC FW FW B1 B2 FW FW FW FW FW FW B2 B2 SC SC SC SC CL
POP 12HR 30 70 10 70 20
QPF 12HR 0.01-0.08 0.19-0.76 0.02-0.10 0.17-1.16 0.02-0.08
SNOW 12HR MM MM MM
RAIN SHWRS NM SC IS NM NM IS IS IS SC SC NM NM IS IS IS IS
TSTMS IS IS IS IS IS
HEAT INDEX 99 85 92101104 96 83 93102105 99 86 93
MAX HEAT 110 94 101 118 108 91 97 111 111 91 97
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 76 90 76 90 75 90
TEMP 91 80 76 84 90 80 76 84 90 81 76 84 90 80 76 84 90 80
DEWPT 79 77 74 76 78 77 74 75 77 76 74 75 77 76 74 74 72 72
PWIND DIR E E E E E E E E E
WIND CHAR LT LT GN GN GN GN GN LT LT
AVG CLOUDS SC B1 FW FW SC SC FW FW FW SC FW FW FW SC CL CL FW SC
POP 12HR 60 5 50 0 40 0 50 0 40
RAIN SHWRS NM NM NM NM SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
PRZ011-260800-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 84 90 91 73 75 82 84 93 94 73 75 82
TEMP 87 80 78 76 77 84 89 90 87 80 77 76 77 86 91 93 88 81 78 76 77 85
DEWPT 78 77 76 74 72 75 77 77 76 76 75 73 72 73 75 75 76 76 75 74 74 74
RH 75 91 94 94 85 74 68 66 70 88 94 90 85 65 60 56 68 85 91 94 90 70
WIND DIR E E E E E E SE SE E E E E E E SE SE SE E E E E E
WIND SPD 13 11 8 5 4 2 13 18 12 12 10 5 6 6 12 13 11 9 8 8 8 8
WIND GUST 28 26 19 28 35 25 24 25 25 27 25 19 19
CLOUDS SC FW FW FW FW FW CL SC SC CL CL FW FW CL CL B1 B1 SC SC SC SC FW
POP 12HR 10 30 10 30 10
QPF 12HR 0.01-0.07 0.10-0.49 0.02 0.14-0.71 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS SC SC IS SC SC IS IS IS IS
HEAT INDEX 100 87 93102104 97 85 93102105 99 88 93
MAX HEAT 110 94 96 108 106 91 96 110 109 91 96
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 91 77 92 76 91 75 91
TEMP 92 81 77 85 91 81 77 86 92 81 77 85 91 81 76 85 91 81
DEWPT 76 76 75 74 76 76 73 74 74 75 72 72 75 75 72 72 73 73
PWIND DIR SE E E E E E E E E
WIND CHAR GN GN BZ GN BZ GN BZ GN GN
AVG CLOUDS FW SC FW FW FW FW FW FW FW FW CL CL FW FW CL FW FW FW
POP 12HR 30 5 5 0 5 0 0 0 0
RAIN SHWRS SC SC IS IS IS IS IS IS
TSTMS IS
PRZ012-260800-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 83 87 91 80 84 89 94 81
TEMP 86 83 82 81 82 85 87 87 85 82 81 80 81 85 89 89 87 83 82 81 82 86
DEWPT 78 77 77 77 76 77 77 77 77 77 77 76 76 76 76 77 77 77 77 77 77 77
RH 77 82 85 88 82 77 72 72 77 85 88 88 85 75 66 68 72 82 85 88 85 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 18 19 19 17 17 17 18 18 16 17 16 13 12 12 10 12 12 13 14 14 14 17
CLOUDS SC SC SC B2 B2 B2 SC SC SC SC SC B2 SC B2 B2 SC SC SC SC SC SC B1
POP 12HR 50 50 50 50 40
QPF 12HR 0.24 0.22 0.22 0.22 0.07
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS IS IS IS SC
HEAT INDEX 98 92 90 86 89 95 98 99 96 91 88 85 87 95100101 98 92 90 87 89 96
MAX HEAT 106 96 99 105 104 93 100 108 108 96 101
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 88 81 88 81 88 81 88
TEMP 89 84 81 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83
DEWPT 77 77 77 78 78 78 77 77 77 77 77 77 77 77 76 76 73 74
PWIND DIR E E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 B1 SC B1 SC FW SC SC SC SC SC SC SC SC SC SC SC CL
POP 12HR 40 40 40 20 20 10 30 30 30
RAIN SHWRS SC SC SC SC SC IS IS IS IS IS IS IS IS SC SC SC SC
PRZ013-260800-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 84 87 90 76 79 82 84 90 93 76 80 82
TEMP 86 83 81 80 81 84 87 87 85 82 81 79 81 86 89 90 87 83 81 80 81 86
DEWPT 76 76 76 76 75 76 75 77 76 76 76 76 75 75 75 75 76 76 76 76 76 76
RH 72 80 85 88 82 77 68 72 75 82 85 91 82 70 64 62 70 80 85 88 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 18 18 18 17 18 18 17 17 16 16 16 12 10 11 9 10 10 11 14 14 13 17
CLOUDS FW SC SC B2 B2 B1 SC SC SC SC SC B2 SC B1 B1 SC SC SC SC SC SC B1
POP 12HR 50 50 50 50 40
QPF 12HR 0.25 0.22-0.31 0.23 0.20-0.40 0.08
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC SC SC SC IS SC SC SC SC SC SC SC SC SC SC SC SC SC SC
HEAT INDEX 96 90 88 84 87 93 96 99 95 89 86 83 86 95 99100 98 91 88 85 87 96
MAX HEAT 103 93 97 103 102 91 98 105 104 92 99
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 80 89 81 89 80 89 80 89
TEMP 90 83 80 86 89 83 81 86 89 83 80 85 89 83 81 85 89 83
DEWPT 76 76 77 77 76 76 76 76 76 76 76 76 75 76 75 75 72 74
PWIND DIR E E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 SC SC B1 B1 FW SC SC SC SC SC SC SC SC SC SC SC CL
POP 12HR 40 50 50 20 20 10 30 30 30
RAIN SHWRS SC SC SC SC SC IS IS IS IS IS IS IS IS SC SC SC SC
VIZ001-260800-
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 JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 74 80 82 83 86 91 73 79 82 84 88 94 73 80 82
TEMP 85 82 81 80 81 83 86 86 84 81 80 79 80 84 87 88 86 82 81 80 81 84
DEWPT 76 76 76 76 76 76 75 77 76 76 76 76 75 75 75 75 76 76 76 76 76 76
RH 75 82 85 88 85 80 70 75 77 85 88 91 85 74 68 66 72 82 85 88 85 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 19 19 19 18 18 18 18 17 17 17 17 14 12 12 12 13 13 13 16 14 17 18
CLOUDS FW FW SC B2 B2 B1 SC SC SC SC SC B2 SC B1 B1 SC SC SC SC SC SC SC
POP 12HR 50 50 50 30 30
QPF 12HR 0.23 0.22 0.20 0.18 0.06
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC IS IS IS IS IS IS SC
HEAT INDEX 94 89 87 84 86 92 94 97 93 87 85 83 85 93 97 98 95 89 87 84 86 94
MAX HEAT 105 96 98 105 103 92 99 107 106 95 100
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 80 87 80 87 80 87 80 87
TEMP 88 83 80 84 87 83 80 84 87 82 80 84 87 82 80 84 87 82
DEWPT 76 76 77 77 76 76 76 76 76 76 76 76 75 75 75 75 72 75
PWIND DIR E E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC SC B1 SC FW SC FW FW FW SC FW FW SC SC SC SC FW
POP 12HR 30 30 30 10 10 10 20 20 20
RAIN SHWRS SC SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS IS
VIZ002-260800-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
231 PM AST SAT JUL 25 2026
DATE 07/25/26 SUN 07/26/26 MON 07/27/26 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 76 79 82 83 86 91 75 79 82 84 89 94 76 79 82
TEMP 85 82 81 79 80 84 86 86 85 81 80 79 80 85 88 89 87 83 81 79 80 85
DEWPT 77 77 77 76 76 76 76 77 76 76 76 76 76 76 76 76 76 76 77 77 77 77
RH 77 85 88 91 88 77 72 75 75 85 88 91 88 75 68 66 70 80 88 94 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 18 18 17 16 16 17 17 17 14 14 13 11 10 10 11 12 11 11 13 13 13 17
CLOUDS SC SC SC B2 B2 B1 FW SC SC B1 B1 B2 SC SC SC SC SC SC SC SC SC SC
POP 12HR 50 50 50 20 20
QPF 12HR 0.25 0.21-0.29 0.21-0.38 0.17 0.05
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC SC SC IS SC SC SC SC SC SC IS IS IS IS IS IS IS IS IS
HEAT INDEX 96 90 87 82 86 93 97 98 94 88 85 82 85 94 99100 97 91 88 84 87 95
MAX HEAT 108 93 100 106 104 91 99 107 107 93 100
DATE 07/28 WED 07/29/26 THU 07/30/26 FRI 07/31/26 SAT 08/01/26
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 88 80 88 80 88 80 88
TEMP 89 83 80 85 88 83 80 85 88 83 80 85 88 82 80 85 88 82
DEWPT 76 77 77 77 76 77 77 77 76 77 76 76 76 76 76 76 72 74
PWIND DIR E E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC SC SC SC CL CL FW FW FW SC SC SC SC FW SC SC FW
POP 12HR 30 30 20 10 10 10 10 20 20
RAIN SHWRS SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS
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