036
FOCA52 TJSJ 221831
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
231 PM AST SAT AUG 22 2026
PRZ001-230800-
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 AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 78 82 84 90 93 73 78 82 84 90 93 73 78 82
TEMP 86 82 80 78 79 85 89 90 86 82 80 79 79 86 89 90 87 82 80 79 79 86
DEWPT 76 75 76 75 74 76 75 76 77 77 77 76 76 77 77 77 77 77 77 76 77 77
RH 72 79 88 91 85 75 64 64 75 85 91 91 91 75 68 66 72 85 91 91 94 75
WIND DIR E E E E SE E E E E E E SE E E E E E E E E E E
WIND SPD 13 8 6 6 6 9 12 16 13 8 8 6 8 9 13 16 13 9 6 5 4 8
WIND GUST 26 24 26 24
CLOUDS B1 FW CL FW SC B1 SC FW SC FW FW B1 SC FW FW SC SC FW FW FW FW SC
POP 12HR 50 50 30 30 30
QPF 12HR 0.07 0.06-0.16 0.06 0.15-0.23 0.03
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS SC SC IS IS IS IS SC SC IS IS IS IS IS IS IS IS SC
HEAT INDEX 96 88 84 80 82 95100103 98 90 86 82 83 97103104 98 91 87 83 84 97
MAX HEAT 109 94 100 110 110 95 103 109 109 96 103
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 91 78 90 78 90 78 90
TEMP 90 82 79 86 91 83 79 86 90 82 79 85 90 82 79 86 90 82
DEWPT 78 77 77 77 77 77 76 76 76 76 76 76 77 77 76 77 72 75
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN LT GN GN GN
AVG CLOUDS B1 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC SC SC SC B1 SC
POP 12HR 40 40 40 40 20 20 30 50 50
RAIN SHWRS SC SC SC SC SC SC SC SC IS IS IS IS IS SC IS SC SC SC
TSTMS IS IS IS IS IS IS
PRZ002-230800-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 78 82 75 88 94 67 78 82 75 88 94 67 78 82
TEMP 85 81 80 78 79 84 87 88 85 81 80 79 79 84 87 88 85 81 80 79 79 84
DEWPT 74 74 74 74 73 74 74 75 75 75 75 75 75 76 75 76 76 76 75 75 75 76
RH 70 79 82 88 82 72 65 66 72 82 85 88 88 77 68 68 75 85 85 88 88 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 9 10 10 9 11 13 13 12 9 10 9 10 11 13 13 11 10 9 8 8 9
WIND GUST 19 20 19 21 20
CLOUDS B1 FW CL FW SC B2 SC B1 B1 FW FW B1 SC SC SC SC SC FW FW SC SC B1
POP 12HR 60 60 40 30 40
QPF 12HR 0.08 0.14-0.23 0.08 0.16-0.23 0.05
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC NM IS SC SC IS SC SC IS IS SC SC IS IS IS IS SC
TSTMS IS
HEAT INDEX 92 86 84 81 82 91 96 98 94 88 85 82 83 93 98 99 94 88 85 82 83 93
MAX HEAT 103 93 97 105 104 95 99 106 105 95 99
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 88 78 88 78 88 78 88
TEMP 88 81 79 84 88 82 79 84 88 82 79 84 88 82 79 84 88 82
DEWPT 76 76 75 76 75 75 74 74 74 74 74 75 75 75 75 75 75 75
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 B1 B2 B2 SC SC B1 B1 SC SC SC SC SC B1 B1 B1 B1 SC
POP 12HR 50 50 40 40 20 20 40 50 50
RAIN SHWRS SC NM NM NM SC SC SC SC IS IS IS IS SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS
PRZ003-230800-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 77 82 79 89 94 69 77 82 79 89 94 70 78 82
TEMP 85 81 79 78 78 84 88 89 85 81 80 78 79 85 88 89 86 81 80 79 79 84
DEWPT 73 72 73 73 73 73 73 73 74 75 75 74 74 75 74 74 74 75 75 74 74 75
RH 67 74 82 85 85 70 61 59 70 82 85 88 85 72 63 61 68 82 85 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 12 8 8 8 8 10 13 13 12 9 8 9 10 10 13 13 11 9 8 6 8 10
WIND GUST 24 27 26 24 23 21 27 28 24 20
CLOUDS B1 CL CL FW SC SC CL FW SC SC FW SC SC FW FW SC SC FW FW FW FW SC
POP 12HR 40 40 20 30 30
QPF 12HR 0.06 0.04-0.19 0.03-0.08 0.14-0.22 0.03
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC IS IS IS IS IS IS IS IS SC SC IS IS IS IS SC
HEAT INDEX 91 85 82 80 91 96 97 93 87 84 81 82 92 97 98 93 87 84 81 82 91
MAX HEAT 104 91 99 107 107 93 102 109 108 93 100
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 89 78 89 78 89 78 89
TEMP 88 81 78 84 89 81 79 84 89 81 79 84 89 81 79 84 89 81
DEWPT 74 75 75 75 73 74 74 74 73 74 73 74 74 75 75 75 73 74
PWIND DIR E E E NE E E E E E
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC B1 B1 SC SC SC SC SC SC CL FW SC SC B1 B1 B1 SC
POP 12HR 40 40 30 20 40 10 40 50 50
RAIN SHWRS IS IS SC SC SC IS IS IS SC SC IS IS SC SC SC SC SC
TSTMS IS IS IS IS IS
PRZ004-230800-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 74 78 77 87 94 69 75 79 77 88 94 70 75 79
TEMP 83 78 76 75 75 82 86 87 84 79 77 76 76 83 87 88 84 79 77 76 76 82
DEWPT 73 73 73 73 72 73 73 73 74 74 74 74 74 75 74 74 74 74 74 74 74 75
RH 72 85 90 94 90 74 65 63 72 85 90 94 94 77 65 63 72 85 90 94 94 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 11 5 4 4 5 8 12 12 11 5 4 5 8 8 12 12 9 5 4 3 3 6
CLOUDS B1 FW CL FW SC B1 FW FW SC SC FW SC SC FW FW SC SC FW FW FW FW SC
POP 12HR 50 50 30 30 30
QPF 12HR 0.07 0.05-0.20 0.03-0.08 0.21-0.29 0.03
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC IS IS IS IS SC IS IS IS SC SC IS IS IS IS SC
HEAT INDEX 89 80 88 94 95 90 82 90 96 96 91 82 89
MAX HEAT 104 89 99 106 106 91 102 108 107 92 101
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 87 75 87 75 87
TEMP 87 79 76 83 88 79 76 83 87 79 76 83 87 79 76 83 87 79
DEWPT 74 74 74 75 73 74 73 74 73 73 73 74 74 74 74 75 70 73
PWIND DIR E E E NE E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC SC SC B1 SC SC SC FW FW SC SC SC B1 B1 SC
POP 12HR 30 30 40 40 20 10 30 50 50
RAIN SHWRS SC SC SC SC SC IS SC SC IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS IS
PRZ005-230800-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 73 76 82 85 90 94 74 76 82
TEMP 85 80 78 76 77 85 89 90 86 81 79 77 78 85 89 90 86 81 79 77 78 85
DEWPT 77 76 75 75 74 76 76 77 78 77 76 76 75 77 78 78 79 78 77 76 76 78
RH 77 88 91 97 90 75 66 66 77 88 91 97 91 77 70 68 80 91 94 97 94 80
WIND DIR E E SE SE SE E E E E E E SE E E E NE E E E E E E
WIND SPD 13 11 8 5 5 6 13 18 16 11 8 6 6 8 13 18 17 12 8 6 5 9
WIND GUST 25 23 33 31 23 33 32 24
CLOUDS B1 FW FW FW FW SC FW SC SC SC FW SC SC FW FW SC SC FW FW FW FW SC
POP 12HR 20 30 20 20 10
QPF 12HR 0.03 0.06-0.34 0.04 0.06-0.35 0.01
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS
HEAT INDEX 97 85 94101103 98 88 81 95103104 99 89 82 96
MAX HEAT 110 93 101 110 110 94 103 109 109 95 103
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 76 91 76 90 76 90 76 90
TEMP 90 81 77 85 91 81 77 85 90 81 77 85 90 81 77 85 90 81
DEWPT 78 77 76 78 78 77 76 77 77 76 75 77 78 77 76 78 72 75
PWIND DIR E E E E E E E E E
WIND CHAR GN LT BZ GN BZ GN GN GN GN
AVG CLOUDS SC SC SC FW FW FW FW SC FW FW FW FW FW SC FW SC SC SC
POP 12HR 30 10 5 10 10 5 10 20 20
RAIN SHWRS IS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ006-230800-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 62 72 77 75 85 93 63 73 78 75 85 93 64 73 78
TEMP 81 76 74 73 73 80 84 85 82 77 75 74 74 81 85 85 82 77 75 74 74 80
DEWPT 72 72 72 71 71 72 71 71 73 73 73 73 72 73 73 72 74 73 73 73 73 74
RH 74 87 93 93 93 77 65 63 74 87 94 97 93 77 67 65 77 87 94 97 97 82
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 5 3 3 4 5 10 11 10 5 4 4 6 6 10 12 10 5 4 3 3 6
WIND GUST 21 27 24 24 26 27 21
CLOUDS B2 FW CL FW SC SC FW SC SC SC FW SC FW FW FW B1 B1 FW FW CL CL FW
POP 12HR 20 20 10 40 5
QPF 12HR 0.03 0.04-0.34 0.03 0.21-0.43 0
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS IS IS IS IS IS IS SC SC IS
TSTMS IS IS IS
HEAT INDEX 85 84 90 91 86 85 91 92 87 85
MAX HEAT 106 86 97 106 106 88 99 108 107 89 100
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 85 73 85 73 85 73 85
TEMP 85 77 74 81 85 77 74 80 85 77 74 80 85 77 74 80 85 77
DEWPT 73 73 73 74 72 72 72 72 72 72 72 73 73 73 73 74 67 71
PWIND DIR E E E NE E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC FW FW FW SC FW FW FW FW FW FW FW FW FW FW SC SC
POP 12HR 40 0 30 10 10 0 0 10 30
RAIN SHWRS IS SC IS IS IS IS IS IS IS IS IS IS IS SC
TSTMS IS IS IS
PRZ007-230800-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 62 75 82 75 89 94 63 76 82 75 89 94 64 76 82
TEMP 85 80 78 76 76 84 88 89 85 80 78 77 77 84 88 89 85 81 79 77 78 84
DEWPT 73 71 70 70 70 70 72 72 74 74 73 72 71 72 73 73 74 73 72 72 71 72
RH 67 74 76 82 82 63 59 57 70 82 85 85 82 67 61 59 70 77 79 85 79 67
WIND DIR SE E NE E NE E SE SE SE E E E NE E E SE E E E NE NE E
WIND SPD 9 6 5 4 5 6 13 12 11 9 5 6 6 8 12 13 11 8 5 4 4 8
WIND GUST 24 28 27 26 20 19 20 27 28 25 21
CLOUDS B2 FW CL FW SC FW CL SC B1 SC FW FW CL CL CL B1 B1 CL CL CL CL FW
POP 12HR 10 30 5 40 5
QPF 12HR 0.02 0.03-0.46 0.02 0.14-0.43 0
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS SC SC IS SC SC
TSTMS IS IS IS IS
HEAT INDEX 91 82 88 95 97 92 85 81 89 96 97 93 85 82 89
MAX HEAT 105 91 94 106 106 92 96 108 107 93 95
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 89 76 89 76 89 76 89
TEMP 88 80 77 84 89 80 77 84 89 80 77 84 89 80 77 84 89 80
DEWPT 74 74 73 73 72 72 71 71 72 73 71 71 73 74 72 73 72 73
PWIND DIR SE E E NE E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS FW SC FW FW FW SC FW FW FW SC CL FW FW FW FW FW SC SC
POP 12HR 30 0 20 0 10 0 5 5 30
RAIN SHWRS IS SC IS IS IS IS IS IS IS IS IS SC
TSTMS IS IS IS IS
PRZ008-230800-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 74 82 85 88 94 70 75 82 85 88 94 71 75 82
TEMP 83 78 76 75 75 83 87 88 84 79 77 76 76 83 87 88 84 79 77 76 76 83
DEWPT 76 76 75 73 72 74 75 76 77 76 76 74 74 76 77 77 77 77 76 75 75 76
RH 80 94 97 94 90 74 68 68 80 91 97 94 94 80 72 70 80 94 97 97 97 80
WIND DIR NE E E E E E E E E E E E E E E NE E E E E E E
WIND SPD 12 12 11 9 6 8 10 14 14 10 8 9 8 8 11 16 14 12 10 8 8 9
WIND GUST 23 23 20 31 29 20 21 31 29 23
CLOUDS B2 SC FW FW CL FW FW B1 B2 SC SC FW FW FW FW SC SC FW FW CL CL FW
POP 12HR 30 60 20 30 5
QPF 12HR 0.04 0.15-0.49 0.02-0.08 0.08-0.36 0
SNOW 12HR MM MM MM
RAIN SHWRS NM SC IS IS IS IS NM NM IS IS IS SC SC IS IS
TSTMS IS IS
HEAT INDEX 92 80 89 97 99 93 82 91 99101 94 83 92
MAX HEAT 107 92 96 109 108 93 99 109 109 93 99
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 75 89 75 88 75 88 75 88
TEMP 89 79 76 83 89 79 76 83 88 79 76 83 88 79 76 83 88 79
DEWPT 78 77 74 76 77 76 74 75 76 76 74 75 77 76 75 76 74 75
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN GN BZ GN GN GN GN
AVG CLOUDS SC SC FW FW FW SC FW FW FW FW FW FW FW SC FW FW SC B1
POP 12HR 50 5 20 0 5 0 20 5 30
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS IS IS SC
TSTMS IS IS IS IS
PRZ009-230800-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 65 71 75 75 86 94 66 72 76 75 86 94 66 73 77
TEMP 81 76 74 72 73 80 85 86 82 77 75 73 74 81 85 86 82 77 75 74 74 81
DEWPT 74 73 72 71 70 72 72 73 74 74 73 72 72 73 74 75 75 74 74 73 73 74
RH 79 90 93 97 90 77 65 65 77 90 94 97 93 77 70 70 79 90 97 97 97 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 5 4 5 4 4 4 6 6 5 4 4 4 4 5 6 6 5 4 4 4 4 5
WIND GUST 26 26 26 25 23
CLOUDS OV FW FW FW FW FW FW B2 B2 SC FW FW FW CL CL B2 B2 FW FW CL CL CL
POP 12HR 10 70 10 60 5
QPF 12HR 0.02 0.11-0.48 0.02 0.21-0.50 0
SNOW 12HR MM MM MM
RAIN SHWRS NM IS IS IS IS IS IS NM NM IS IS NM NM IS IS
TSTMS IS IS IS IS
HEAT INDEX 86 84 91 93 87 85 93 95 88 85
MAX HEAT 110 87 97 110 109 87 98 109 109 88 99
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 86 73 86 73 86 73 86
TEMP 86 77 74 81 86 77 73 81 86 77 73 81 86 77 73 81 86 77
DEWPT 75 74 72 74 75 74 72 72 74 73 71 72 75 74 72 74 70 72
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 CL CL FW SC FW FW FW SC CL CL FW SC CL FW SC B1
POP 12HR 60 0 40 5 30 0 40 0 60
RAIN SHWRS NM NM SC SC IS IS SC SC SC SC NM NM
TSTMS IS IS IS IS IS IS IS
PRZ010-230800-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 74 82 77 91 94 68 75 82 77 91 94 69 76 82
TEMP 86 80 77 75 76 85 90 91 86 80 78 76 77 85 90 91 86 81 79 77 77 85
DEWPT 77 76 75 74 72 75 76 77 77 77 76 75 74 76 78 78 78 77 77 75 75 76
RH 75 88 94 97 87 72 64 64 75 91 94 97 90 75 68 66 77 88 94 94 94 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 8 9 8 6 6 6 5 8 6 6 6 8 6 6 6 8 8 6 6 6 6 6
WIND GUST 19 20 17 21 18 18 18 21 19 21 18 19 19 17 18
CLOUDS B2 SC FW FW FW FW FW B1 B2 SC SC CL FW CL CL B1 B1 FW FW FW FW CL
POP 12HR 20 70 20 60 10
QPF 12HR 0.03 0.02-0.49 0.01-0.08 0.04-0.50 0.00-0.06
SNOW 12HR MM MM MM
RAIN SHWRS NM IS IS IS IS IS SC NM IS IS NM NM IS IS
TSTMS IS IS IS IS
HEAT INDEX 97 84 93101103 97 86 80 95103105 99 88 81 95
MAX HEAT 110 92 101 110 110 93 104 109 109 93 105
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 91 76 91 76 91 76 91
TEMP 91 81 77 85 91 81 77 85 91 81 77 85 91 81 77 85 91 81
DEWPT 79 77 75 76 79 77 74 75 78 76 74 75 78 77 75 76 75 75
PWIND DIR E E E E E E E E E
WIND CHAR LT LT LT GN GN LT GN GN GN
AVG CLOUDS SC B1 FW FW FW B1 SC FW FW SC CL CL FW SC CL FW SC B1
POP 12HR 60 5 50 10 30 0 40 0 60
RAIN SHWRS NM NM IS IS SC SC IS IS SC SC SC SC NM NM
TSTMS IS IS IS IS IS IS IS IS
PRZ011-230800-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 93 94 73 76 82 85 93 94 74 76 82
TEMP 87 81 78 76 77 86 92 93 87 81 79 77 78 86 92 93 88 82 79 77 78 87
DEWPT 75 74 73 71 70 71 74 75 75 76 75 74 72 73 75 75 76 76 75 73 73 73
RH 68 79 85 85 79 61 56 56 68 85 88 90 82 65 58 56 68 82 88 87 85 63
WIND DIR E E E E E E SE SE SE E E E E E SE SE E E E E E E
WIND SPD 8 9 10 8 8 8 14 16 11 10 11 10 8 10 16 16 14 12 9 8 6 11
WIND GUST 24 29 32 23 23 27 23 21 31 32 29 25 23 23
CLOUDS B1 FW FW FW FW CL CL FW B1 FW FW FW CL CL CL SC SC FW FW CL CL CL
POP 12HR 10 30 5 30 5
QPF 12HR 0.02 0.03-0.32 0.02 0.07-0.50 0
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS IS SC IS IS SC SC IS IS
TSTMS IS
HEAT INDEX 97 85 91101104 97 88 81 94103104 99 89 83 94
MAX HEAT 109 91 95 110 110 93 98 109 109 93 98
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 93 76 93 76 93 76 93 76 93
TEMP 93 82 77 87 93 82 77 86 93 81 77 86 93 81 77 86 93 81
DEWPT 76 76 75 75 74 75 72 72 75 76 73 72 75 76 73 74 75 75
PWIND DIR SE E E NE E E E E E
WIND CHAR GN GN GN LT GN LT GN LT GN
AVG CLOUDS FW SC FW FW FW SC FW FW FW FW CL CL FW FW FW FW SC SC
POP 12HR 20 0 20 5 5 0 5 5 30
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS SC
TSTMS IS IS
PRZ012-230800-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 85 89 94 81 85 89 94 81
TEMP 86 84 83 82 82 86 89 89 87 84 83 82 82 86 89 89 87 84 83 82 82 86
DEWPT 77 76 76 75 75 76 77 77 78 77 77 77 77 78 78 78 78 77 78 77 77 78
RH 75 77 80 79 79 72 68 68 75 80 82 85 85 77 70 70 75 80 85 85 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 16 16 17 16 14 17 17 16 17 17 18 18 17 17 16 14 14 16 17 16 14 16
CLOUDS B2 CL CL SC SC SC SC B2 B1 FW FW B1 SC SC SC SC SC FW FW SC SC B1
POP 12HR 50 60 40 30 40
QPF 12HR 0.06 0.19 0.07 0.23 0.05
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC NM SC IS IS SC IS IS IS SC SC IS IS IS IS SC
TSTMS IS
HEAT INDEX 97 92 91 88 89 96101102 99 94 92 90 90 98102102100 94 92 90 90 98
MAX HEAT 104 94 100 107 106 95 102 107 106 95 102
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 86 89 84 82 86 89 84 82 86 89 84 82 86 89 84
DEWPT 78 78 78 78 78 77 77 77 77 76 76 77 78 77 77 78 76 75
PWIND DIR E E E E E E E E E
WIND CHAR BZ BZ GN BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 SC B1 B1 SC SC SC SC SC FW FW FW SC SC B1 B1 B1 SC
POP 12HR 40 40 30 30 20 20 40 50 50
RAIN SHWRS SC SC SC SC IS IS SC SC IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS IS
PRZ013-230800-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 85 89 93 81 85 90 93 81
TEMP 87 84 83 81 82 86 89 89 87 84 83 82 82 86 89 90 87 84 83 81 82 86
DEWPT 74 74 74 74 74 75 75 75 76 76 76 76 75 76 76 76 76 76 76 76 76 76
RH 65 72 74 79 77 70 64 64 70 77 80 82 79 72 66 64 70 77 80 85 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 16 16 17 16 14 17 16 16 17 16 18 17 17 17 16 14 14 16 17 14 14 14
CLOUDS B2 CL CL SC SC B2 FW B2 B1 FW FW B1 SC SC SC SC SC FW FW SC SC B1
POP 12HR 60 60 40 30 30
QPF 12HR 0.08 0.23 0.07 0.23 0.05
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC NM IS NM SC IS IS SC IS IS IS SC SC IS IS IS IS SC
TSTMS IS
HEAT INDEX 95 91 89 87 87 95 99100 97 92 90 88 89 97100101 97 92 90 88 89 97
MAX HEAT 101 92 97 104 104 94 100 105 105 94 100
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 90 81 89 81 89 81 89
TEMP 89 84 82 86 90 84 82 86 89 84 82 86 89 84 82 86 89 84
DEWPT 76 76 76 76 75 75 75 75 74 75 75 75 75 76 76 76 76 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 B1 B2 B1 SC SC SC SC SC SC FW SC SC B1 B2 B1 B1 SC
POP 12HR 50 50 30 30 10 10 50 50 50
RAIN SHWRS SC SC SC SC IS IS SC IS IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS IS
VIZ001-230800-
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 AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 85 88 94 74 81 82 85 88 94 74 80 82
TEMP 86 83 82 81 81 85 88 88 86 83 82 81 82 85 88 88 86 83 82 81 81 85
DEWPT 74 75 75 74 74 75 75 75 76 76 76 76 76 77 76 76 76 76 76 76 76 77
RH 68 77 79 79 79 72 66 66 72 80 82 85 82 77 68 68 72 80 82 85 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 14 16 17 16 17 17 17 16 17 17 19 18 17 18 17 14 16 17 17 16 16 17
CLOUDS B1 CL CL SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC SC FW FW B1
POP 12HR 30 50 30 20 40
QPF 12HR 0.06 0.08-0.18 0.09 0.09-0.23 0.05
SNOW 12HR MM MM MM
RAIN SHWRS SC SC IS IS SC SC SC IS SC IS IS IS IS IS IS IS IS IS IS SC
TSTMS IS
HEAT INDEX 93 89 88 86 86 94 98 98 96 91 89 87 88 95 99 98 96 91 89 87 88 95
MAX HEAT 105 94 100 107 106 96 102 108 107 96 102
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 81 88 80 88 80 88 80 88
TEMP 88 83 81 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83
DEWPT 76 76 77 76 75 76 75 75 74 75 75 76 75 76 76 76 76 74
PWIND DIR E E E E E E E E E
WIND CHAR BZ BZ GN BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 B1 B2 SC FW FW SC SC SC FW SC FW FW SC B1 B1 B1 SC
POP 12HR 50 50 30 30 10 10 40 40 40
RAIN SHWRS SC SC SC SC IS SC SC IS IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS
VIZ002-230800-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
231 PM AST SAT AUG 22 2026
DATE 08/22/26 SUN 08/23/26 MON 08/24/26 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 81 85 89 94 80
TEMP 86 83 82 81 81 86 88 89 86 83 82 81 82 86 88 89 86 83 82 81 81 86
DEWPT 75 75 75 75 75 76 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77
RH 70 77 79 82 82 72 70 68 75 82 85 88 85 75 70 68 75 82 85 88 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 14 16 14 14 16 17 16 17 16 17 16 16 16 16 14 14 14 14 13 12 13
CLOUDS SC FW FW SC SC FW SC FW SC SC SC SC SC SC SC SC SC FW FW FW FW B1
POP 12HR 40 30 30 30 40
QPF 12HR 0.07 0.08-0.16 0.10 0.16-0.23 0.04
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS SC IS IS SC IS IS IS SC IS IS IS IS SC SC IS IS IS IS SC
HEAT INDEX 95 91 89 86 87 95100101 98 93 91 88 89 97101101 98 93 90 88 88 97
MAX HEAT 106 94 101 109 108 96 103 109 109 95 103
DATE 08/25 WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
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 80 89 81 89
TEMP 89 83 81 86 89 83 81 86 89 83 81 86 89 83 81 86 89 83
DEWPT 77 78 77 77 76 77 76 76 76 76 76 76 77 77 77 77 76 73
PWIND DIR E E E E E E E E E
WIND CHAR BZ GN BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 SC B1 B1 FW FW SC SC SC SC SC SC FW SC B1 B1 SC SC
POP 12HR 50 50 30 30 20 20 50 50 30
RAIN SHWRS SC SC SC SC IS IS IS IS IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS
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