561
FOCA52 TJSJ 230631
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
231 AM AST SUN AUG 23 2026
PRZ001-232000-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 85 91 94 74 79 83 85 91 94 73 79 83 85 91 94
TEMP 79 86 90 91 87 83 81 80 80 87 90 91 87 83 81 80 80 86 90 91 87 83
DEWPT 74 76 76 77 77 77 77 77 76 77 77 77 77 77 77 77 76 77 77 78 77 77
RH 85 72 64 64 72 82 88 91 88 72 66 64 72 82 88 91 88 75 66 66 72 82
WIND DIR SE E E E E E E E SE E E E E E E E E E E E E E
WIND SPD 5 6 12 16 13 9 8 6 6 9 12 14 12 8 8 6 5 8 13 16 13 8
WIND GUST 26 24 26
CLOUDS SC SC SC FW SC FW FW SC SC SC SC FW FW CL CL FW FW SC SC B1 B1 B1
POP 12HR 30 40 20 30 40
QPF 12HR 0.03-0.18 0.05 0.09 0.03 0.34-0.52
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC IS IS IS IS SC SC IS IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS
HEAT INDEX 82 96102105100 92 88 84 85 98104105 99 92 88 83 84 98104106100 92
MAX HEAT 101 110 110 96 105 110 110 96 104 116 114
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 79 91 79 90 78 91 78 90
TEMP 80 87 91 83 80 86 90 82 79 86 91 82 79 86 90 82
DEWPT 77 77 77 77 76 77 77 76 76 76 77 77 76 77 77 77
PWIND DIR E E E E E E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS B1 B1 SC SC B1 SC SC SC SC SC SC SC SC SC B1 SC
POP 12HR 40 40 40 20 20 40 50 50
RAIN SHWRS SC SC SC SC SC SC IS IS IS IS IS SC IS SC SC SC
TSTMS IS IS IS
PRZ002-232000-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 75 89 94 67 78 82 75 89 94 67 78 82 75 89 94
TEMP 79 85 88 89 86 82 80 79 79 85 88 89 86 82 80 79 79 85 88 89 86 82
DEWPT 73 74 75 76 76 76 76 75 75 76 75 75 75 76 76 75 75 75 76 76 76 76
RH 82 70 66 66 72 82 88 88 88 75 66 64 70 82 88 88 88 72 68 66 72 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 9 10 12 13 12 10 10 9 10 11 13 12 10 9 9 8 9 10 13 13 11 8
WIND GUST 19 20 20 20 19 18
CLOUDS SC SC SC B1 SC FW SC SC SC SC SC FW FW CL FW SC SC B1 B1 B1 B1 B2
POP 12HR 50 40 30 40 50
QPF 12HR 0.15-0.32 0.07 0.10 0.04 0.41-0.52
SNOW 12HR MM MM MM
RAIN SHWRS SC SC SC SC SC IS IS SC SC SC SC IS IS IS IS IS SC SC SC SC NM
TSTMS IS IS IS IS
HEAT INDEX 83 92 98 99 95 89 86 83 84 94 98 99 94 88 86 82 83 93 98 99 95 89
MAX HEAT 98 107 106 95 100 107 106 95 100 107 106
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 79 89 78 88 78 88 78 88
TEMP 79 85 89 82 79 85 88 81 79 84 88 82 79 84 88 82
DEWPT 75 75 75 75 75 75 75 75 74 75 75 75 75 75 75 75
PWIND DIR E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS B2 B2 SC SC B1 B1 SC SC SC SC SC B1 B1 B1 B2 B1
POP 12HR 50 40 40 30 30 50 50 50
RAIN SHWRS NM NM SC SC SC SC SC SC SC IS SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS
PRZ003-232000-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 79 89 94 70 78 82 79 89 94 70 78 83 79 89 94
TEMP 79 85 88 89 86 82 80 79 79 85 88 89 86 82 80 79 79 85 88 89 86 82
DEWPT 73 74 74 74 75 75 75 75 74 75 74 74 74 75 75 75 74 75 74 74 75 75
RH 82 70 63 61 70 79 85 88 85 72 63 61 68 79 85 88 85 72 63 61 70 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 9 12 12 12 9 9 8 10 10 12 13 10 9 8 8 6 9 12 13 12 8
WIND GUST 25 26 25 20 21 26 26 23 25 27 25
CLOUDS FW SC SC FW SC FW FW SC SC SC FW CL CL CL FW FW FW SC SC SC SC B1
POP 12HR 30 20 20 30 40
QPF 12HR 0.01-0.24 0.03 0.06 0.02 0.03-0.41
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC IS IS SC
TSTMS IS
HEAT INDEX 81 92 98 99 95 88 85 82 82 93 98 99 94 87 84 81 82 93 98 99 94 88
MAX HEAT 101 110 110 94 103 110 110 94 103 111 110
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 78 90 78 89 77 89 78 89
TEMP 79 86 90 82 79 85 89 81 78 85 89 81 79 84 89 81
DEWPT 75 74 73 74 74 74 72 74 73 73 74 75 75 75 74 75
PWIND DIR E E NE E E E E E
WIND CHAR GN GN GN GN GN GN GN GN
AVG CLOUDS B1 B1 SC SC SC SC SC SC FW FW FW SC B1 B1 B1 B1
POP 12HR 40 30 20 30 5 40 50 50
RAIN SHWRS SC SC SC IS IS IS SC SC IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS
PRZ004-232000-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 89 94 70 75 79 78 89 94 70 75 79 77 88 94
TEMP 76 83 88 89 84 80 78 76 76 84 88 89 85 80 78 76 76 83 87 88 84 80
DEWPT 72 73 74 74 75 74 75 74 74 75 74 74 74 74 75 74 74 75 75 74 75 74
RH 87 72 63 61 74 82 91 94 94 74 63 61 70 82 91 94 94 77 68 63 74 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 4 6 11 12 11 5 5 5 8 8 11 12 9 5 5 4 3 8 12 13 11 5
CLOUDS FW SC SC FW SC FW FW SC SC SC FW FW FW CL CL FW FW SC SC SC SC SC
POP 12HR 30 40 20 30 30
QPF 12HR 0.02-0.22 0.01-0.06 0.07 0.02 0.03-0.52
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC IS IS IS IS SC SC IS IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS
HEAT INDEX 90 96 98 92 83 92 97 98 92 83 91 97 98 92 84
MAX HEAT 100 109 107 92 102 108 107 92 102 109 108
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 75 89 75 88 74 88 75 87
TEMP 76 84 89 80 76 83 88 79 75 83 88 79 76 83 87 79
DEWPT 74 75 73 74 74 74 73 73 73 74 74 74 74 75 74 74
PWIND DIR E E NE E E E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC B1 SC SC SC FW FW SC SC SC B1 B1 B1
POP 12HR 30 40 40 20 5 30 50 50
RAIN SHWRS SC SC SC IS SC SC IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS
PRZ005-232000-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 85 91 94 74 77 82 85 91 94 74 77 82 85 91 94
TEMP 77 85 90 91 87 82 80 78 78 86 90 91 87 82 80 78 78 86 90 91 87 82
DEWPT 73 76 77 78 79 78 77 76 75 78 78 78 79 78 77 76 75 78 78 79 79 78
RH 87 75 66 66 77 88 91 94 91 77 68 66 77 88 91 94 91 77 68 68 77 88
WIND DIR SE E E E E E E E SE E E E E E E E E E E E E E
WIND SPD 5 5 12 17 16 10 9 6 6 8 12 17 14 11 9 6 5 6 11 16 12 9
WIND GUST 31 31 20 32 28 21 28 24
CLOUDS FW FW SC SC SC FW FW FW SC FW FW FW SC CL CL FW FW SC SC SC SC SC
POP 12HR 30 20 10 10 30
QPF 12HR 0.03-0.48 0.02 0.08-0.26 0.01 0.03-0.55
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS IS IS IS IS IS IS IS IS IS IS SC SC IS
TSTMS IS IS IS IS
HEAT INDEX 94103106100 90 85 80 98105106100 90 84 80 97105107101 90
MAX HEAT 101 110 110 96 105 110 110 95 104 117 116
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 91 77 90 76 90 77 90
TEMP 78 86 91 82 78 85 90 81 77 85 90 81 78 85 90 81
DEWPT 76 78 78 77 76 77 77 76 75 77 78 77 76 77 78 77
PWIND DIR E E E E E E E E
WIND CHAR LT GN GN BZ GN GN GN GN
AVG CLOUDS SC FW FW FW FW FW FW SC FW FW FW SC FW SC SC SC
POP 12HR 10 5 5 20 0 20 20 20
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ006-232000-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 75 86 94 64 74 78 75 86 94 64 73 78 75 86 94
TEMP 74 81 85 86 82 78 76 75 75 81 85 86 82 78 76 74 75 81 85 86 82 78
DEWPT 70 72 72 73 74 73 74 73 73 74 73 73 73 73 74 73 72 73 73 74 74 73
RH 87 74 65 65 77 85 94 94 94 79 67 65 74 85 94 97 90 77 67 68 77 85
WIND DIR E E E SE E E E E E E E E E E E E E E E E E E
WIND SPD 3 4 10 11 10 5 4 4 5 8 10 11 9 5 4 3 3 5 10 12 10 5
WIND GUST 24 25 23 25 26 21 24 26 23
CLOUDS FW FW SC SC SC FW FW FW FW FW FW FW FW CL CL CL CL FW FW B1 B1 FW
POP 12HR 20 10 10 5 40
QPF 12HR 0.01-0.31 0.01 0.06-0.24 0 0.03-0.79
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS SC SC
TSTMS IS IS
HEAT INDEX 85 91 93 88 80 87 92 93 88 80 86 92 94 88 80
MAX HEAT 99 110 109 90 101 109 109 90 101 111 110
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 74 87 74 86 72 86 73 85
TEMP 75 82 87 78 75 81 86 77 73 81 86 77 74 81 85 77
DEWPT 73 73 72 72 73 73 72 72 72 72 73 73 73 73 73 73
PWIND DIR E E NE E E E E E
WIND CHAR LT GN LT GN LT GN LT LT
AVG CLOUDS FW FW FW SC FW FW FW SC FW FW FW SC FW FW SC SC
POP 12HR 0 30 5 20 0 10 10 30
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS SC
PRZ007-232000-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 75 90 94 64 77 82 75 90 94 64 76 82 75 89 94
TEMP 77 84 89 90 86 81 79 78 78 85 89 90 86 81 79 77 78 85 89 89 86 81
DEWPT 70 71 72 73 75 74 73 73 72 72 73 73 74 74 73 72 72 72 73 74 75 74
RH 79 65 57 58 70 79 82 85 82 65 59 58 68 79 82 85 82 65 59 61 70 79
WIND DIR E E SE SE SE E E E E E SE SE SE E E E NE E SE SE SE E
WIND SPD 4 4 12 12 10 8 6 6 5 8 12 13 11 8 5 4 4 5 12 12 11 8
WIND GUST 26 27 25 20 20 27 28 25 19 26 28 23
CLOUDS CL FW FW SC SC FW CL FW FW FW CL FW SC CL CL CL CL FW FW B1 B1 FW
POP 12HR 30 10 30 0 30
QPF 12HR 0.01-0.46 0.01 0.06-0.30 0 0.00-0.79
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC IS IS IS SC SC SC
TSTMS IS IS IS IS IS
HEAT INDEX 89 96 98 94 86 83 80 90 97 98 93 86 82 90 96 98 93 86
MAX HEAT 95 108 108 93 97 108 107 93 97 109 108
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 90 77 90 76 89 76 89
TEMP 78 85 90 81 78 85 90 80 77 84 89 81 77 84 89 80
DEWPT 73 72 72 72 71 72 71 72 71 70 73 73 73 72 73 74
PWIND DIR E E NE E E E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS FW FW FW SC FW FW FW SC FW FW FW SC FW FW SC SC
POP 12HR 0 20 0 30 5 30 5 30
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS SC
TSTMS IS
PRZ008-232000-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 85 89 94 71 75 82 85 89 94 71 75 82 85 89 94
TEMP 75 83 88 89 85 80 78 76 77 84 88 89 85 80 78 76 77 84 88 89 84 80
DEWPT 71 74 75 77 77 77 76 75 74 76 77 78 77 77 76 75 74 76 77 78 78 77
RH 87 74 66 68 77 91 94 97 90 77 70 70 77 91 94 97 90 77 70 70 82 91
WIND DIR E E E NE E E E E E E E NE E E E E E E E E E E
WIND SPD 6 6 9 12 12 11 9 9 6 9 10 14 12 11 10 8 8 8 10 13 6 4
WIND GUST 27 28 31 26 27
CLOUDS CL FW FW B1 B2 SC FW FW FW CL CL SC B2 FW CL CL CL FW FW B1 B1 FW
POP 12HR 70 10 60 5 50
QPF 12HR 0.36-0.53 0.01 0.15-0.31 0.01 0.03-0.79
SNOW 12HR MM MM MM
RAIN SHWRS IS IS NM NM IS IS IS IS IS NM IS SC SC IS
TSTMS IS IS IS IS IS
HEAT INDEX 90 98102 95 85 80 92100103 96 85 80 92100102 95 84
MAX HEAT 96 110 110 94 99 110 110 94 99 114 112
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 75 89 76 88 75 88 75 88
TEMP 76 84 89 80 77 83 88 79 76 83 88 80 76 83 88 80
DEWPT 75 76 77 76 75 75 76 76 74 75 77 76 75 76 77 76
PWIND DIR E E E NE E E E E
WIND CHAR LT GN GN BZ GN GN GN GN
AVG CLOUDS FW FW FW SC FW FW FW SC FW FW FW SC FW FW SC SC
POP 12HR 5 20 0 30 0 40 5 50
RAIN SHWRS IS IS IS IS SC SC SC SC IS IS SC
TSTMS IS IS
PRZ009-232000-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 75 87 94 67 73 77 75 87 94 66 73 77 75 86 94
TEMP 73 81 86 87 82 78 76 74 75 82 86 87 82 78 76 74 74 81 85 86 82 78
DEWPT 69 72 73 75 75 74 74 73 72 74 74 75 75 74 74 73 72 73 75 76 76 74
RH 87 74 65 68 79 88 94 97 90 77 68 68 79 88 94 97 93 77 72 72 82 88
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 4 3 6 5 4 4 4 4 4 5 6 5 4 4 4 4 3 4 6 6 5 4
WIND GUST 25 26 26 27 20 26 27 21
CLOUDS CL CL FW B2 B2 FW FW FW FW CL CL SC B2 FW CL CL CL CL CL B2 B2 CL
POP 12HR 70 10 70 0 60
QPF 12HR 0.24-0.54 0.01 0.19-0.33 0 0.02-0.79
SNOW 12HR MM MM MM
RAIN SHWRS IS NM NM IS IS SC NM NM NM
TSTMS IS IS IS IS IS
HEAT INDEX 85 92 96 89 87 94 96 89 86 94 96 89
MAX HEAT 95 110 110 89 99 110 110 88 98 115 113
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 73 87 73 86 72 86 73 86
TEMP 74 82 87 78 74 81 86 77 73 81 86 77 74 81 86 77
DEWPT 72 73 75 74 72 73 74 73 71 72 74 74 72 73 75 74
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS CL CL FW SC FW FW SC B1 FW FW SC SC CL FW SC B1
POP 12HR 0 40 5 60 5 60 0 60
RAIN SHWRS SC SC IS IS NM NM IS SC SC NM NM
TSTMS IS IS IS IS IS IS IS
PRZ010-232000-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 78 91 94 69 76 82 78 91 94 69 76 82 78 91 94
TEMP 76 85 90 91 86 81 79 77 78 86 90 91 87 81 79 77 78 85 90 91 86 81
DEWPT 71 75 76 78 78 77 77 75 74 76 78 79 78 77 77 75 74 76 78 79 78 77
RH 85 72 64 66 77 88 94 94 88 72 68 68 75 88 94 94 88 75 68 68 77 88
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 5 5 6 8 9 6 8 5 8 5 6 6 5 8 8 5 5 5 8 6 4
WIND GUST 16 19 18 17 17 23 18 23 18 20 20 16 23 16 19 19 20 20
CLOUDS CL CL CL B1 B2 SC FW FW FW FW CL SC B2 FW FW FW FW CL CL B2 B2 FW
POP 12HR 70 20 70 10 60
QPF 12HR 0.05-0.54 0.02 0.06-0.34 0.01 0.02-0.80
SNOW 12HR MM MM MM
RAIN SHWRS SC NM IS IS SC NM IS NM NM IS
TSTMS IS IS IS IS IS
HEAT INDEX 93102105 99 88 82 96104106100 88 82 96105108100 88
MAX HEAT 101 110 110 93 106 110 110 93 106 119 116
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 76 92 76 91 75 91 76 91
TEMP 77 86 92 81 77 85 91 80 76 85 91 81 77 85 91 81
DEWPT 75 76 79 77 74 76 78 76 74 75 78 77 75 76 79 77
PWIND DIR E E NE E E E E E
WIND CHAR LT LT GN LT LT LT LT LT
AVG CLOUDS FW FW FW B1 SC FW SC B1 SC FW SC SC CL FW SC B1
POP 12HR 5 50 10 50 5 60 0 60
RAIN SHWRS IS IS SC SC IS IS NM SC IS IS SC SC NM NM
TSTMS IS IS IS IS IS IS IS IS
PRZ011-232000-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 85 93 94 74 77 82 85 93 94 74 76 82 85 93 94
TEMP 77 86 92 93 88 82 80 78 78 87 92 93 88 82 79 77 78 87 92 93 88 82
DEWPT 71 72 74 75 76 77 76 75 73 73 75 75 76 76 75 74 73 73 75 76 76 76
RH 82 63 56 56 68 85 88 91 85 63 58 56 68 82 88 90 85 63 58 58 68 82
WIND DIR E E SE SE SE E E E E E SE SE SE E E E E E SE SE E E
WIND SPD 8 5 14 16 9 12 12 10 8 9 14 17 12 11 10 8 6 8 14 17 13 10
WIND GUST 28 32 23 24 27 25 20 19 31 34 26 26 24 29 33 28 23
CLOUDS CL CL FW FW SC FW CL CL CL CL CL FW SC CL CL CL CL CL CL SC SC FW
POP 12HR 30 10 30 0 20
QPF 12HR 0.13-0.39 0.01 0.10-0.30 0 0.00-0.79
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC IS IS SC IS IS
TSTMS IS IS IS IS
HEAT INDEX 92102105 99 90 84 94103105 99 89 82 94103105 99 90
MAX HEAT 96 110 110 94 99 110 110 93 98 114 112
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 77 93 76 93 75 93 76 93
TEMP 78 87 93 82 77 86 93 81 76 86 93 82 77 86 93 82
DEWPT 75 74 75 75 73 73 75 74 72 72 75 76 73 74 75 76
PWIND DIR E E NE E E E E E
WIND CHAR GN GN LT GN GN GN GN GN
AVG CLOUDS FW FW FW SC FW FW FW SC SC FW FW SC FW FW SC SC
POP 12HR 0 20 5 20 10 30 5 20
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
PRZ012-232000-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 85 89 94 82 85 89 94 81 85 89 94
TEMP 82 86 88 89 87 84 83 82 82 86 88 89 86 84 83 82 82 86 88 89 87 84
DEWPT 75 77 77 78 78 78 78 77 77 78 78 78 78 78 78 77 77 78 78 78 78 78
RH 79 75 70 70 75 82 85 85 85 77 72 70 77 82 85 85 85 77 72 70 75 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 17 18 16 16 16 17 18 17 17 17 17 14 13 16 17 16 16 16 17 17 17 14
CLOUDS SC SC SC B2 SC FW SC SC SC SC SC FW FW FW SC SC SC B1 B1 SC SC B1
POP 12HR 60 40 30 40 40
QPF 12HR 0.33 0.07 0.11 0.07 0.07-0.41
SNOW 12HR MM MM MM
RAIN SHWRS IS SC IS NM SC IS SC SC SC SC SC IS IS IS SC IS IS SC SC IS IS SC
TSTMS IS IS
HEAT INDEX 89 97101102 99 95 92 90 91 98101102 99 94 92 90 90 97101102 99 95
MAX HEAT 101 108 107 97 102 108 107 97 102 108 108
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 82 89 82 89 82 89 82 89
TEMP 82 86 89 84 82 86 89 84 82 86 89 84 82 86 89 84
DEWPT 78 78 77 77 77 77 77 77 76 77 77 77 77 78 77 77
PWIND DIR E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 B1 SC SC SC SC SC SC SC SC SC SC B1 B1 B1 B1
POP 12HR 40 30 30 30 10 40 50 50
RAIN SHWRS SC SC IS IS SC SC SC SC IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS
PRZ013-232000-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 85 89 93 81 85 89 93 81 85 89 93
TEMP 82 86 89 89 87 84 83 82 82 86 89 89 87 84 83 81 82 86 89 89 87 84
DEWPT 74 75 75 76 76 76 76 76 76 76 76 76 76 76 76 76 75 76 76 76 76 76
RH 77 70 64 66 70 77 80 82 82 72 66 66 70 77 80 85 79 72 66 66 70 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 17 17 17 16 16 17 18 17 17 17 17 16 13 16 17 14 16 14 16 16 16 16
CLOUDS SC SC SC B2 SC FW SC SC SC SC SC FW CL FW SC SC SC B1 B1 SC SC B2
POP 12HR 60 40 30 30 50
QPF 12HR 0.33 0.07 0.09 0.06 0.09-0.52
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC NM SC IS SC SC SC SC SC SC IS IS SC SC SC SC SC
TSTMS IS IS
HEAT INDEX 88 95 99100 97 93 91 89 89 96 99100 97 92 90 88 88 96 99100 97 93
MAX HEAT 99 105 104 95 100 105 104 95 100 105 104
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 82 89 81 89 81 89 81 89
TEMP 82 86 89 84 82 86 89 84 82 86 89 84 82 86 89 84
DEWPT 76 76 75 76 76 75 75 75 75 76 75 76 76 76 75 76
PWIND DIR E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B2 B1 SC SC SC SC SC SC SC SC SC B1 B2 B1 B1 B1
POP 12HR 50 30 30 30 20 50 50 50
RAIN SHWRS SC SC IS IS SC IS IS IS IS IS IS SC SC SC SC SC
TSTMS IS IS IS IS IS
VIZ001-232000-
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 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 85 88 94 75 81 83 85 88 94 75 80 83 85 88 94
TEMP 82 85 87 88 85 83 82 81 82 85 87 88 85 83 82 81 81 85 87 88 86 83
DEWPT 75 76 76 75 76 76 77 76 76 76 76 75 76 76 76 76 76 76 76 76 76 77
RH 79 75 70 66 75 80 85 85 82 75 70 66 75 80 82 85 85 75 70 68 72 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 17 18 17 16 16 18 19 18 17 17 17 16 14 16 17 16 17 17 17 17 17 17
CLOUDS FW FW FW SC SC SC SC SC SC SC SC FW CL FW SC FW FW B1 B1 SC SC B2
POP 12HR 50 40 40 40 50
QPF 12HR 0.03-0.25 0.07 0.09 0.06 0.09-0.41
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC SC IS SC IS SC SC SC IS IS SC IS IS SC SC IS IS SC
TSTMS IS IS
HEAT INDEX 87 94 97 97 95 91 89 88 88 95 97 97 95 91 89 87 87 94 98 98 95 92
MAX HEAT 101 108 107 96 102 108 107 96 102 108 107
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 81 87 81 87 81 88 81 88
TEMP 81 85 87 83 81 85 87 83 81 85 88 83 81 85 88 83
DEWPT 76 76 75 76 76 76 74 75 75 76 75 76 76 76 75 76
PWIND DIR E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B2 SC FW FW SC SC FW FW CL FW SC SC B1 B1 B1 SC
POP 12HR 50 30 30 5 10 40 40 40
RAIN SHWRS SC SC IS SC SC SC IS IS IS IS SC SC SC SC IS
TSTMS IS IS IS IS
VIZ002-232000-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
231 AM AST SUN AUG 23 2026
DATE SUN 08/23/26 MON 08/24/26 TUE 08/25/26
AST 3HRLY 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20
UTC 3HRLY 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00
MAX/MIN 85 89 94 81 85 89 94 77 80 83 85 89 94
TEMP 82 86 88 89 86 84 83 81 82 86 88 89 86 83 82 81 81 86 88 89 86 84
DEWPT 76 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 77 78
RH 82 75 70 68 75 80 82 88 85 75 70 68 75 82 85 88 88 75 70 68 75 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 16 17 17 14 16 14 16 16 13 16 17 16 14 13 14 13 12 16 17 17 17 16
WIND GUST 26
CLOUDS SC SC FW FW SC SC SC SC SC FW CL FW CL FW SC FW FW B1 B1 SC SC B1
POP 12HR 20 30 10 40 50
QPF 12HR 0.02-0.11 0.04 0.07 0.06 0.06-0.19
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS SC IS IS IS SC IS IS SC SC IS IS SC
TSTMS IS
HEAT INDEX 88 96100101 97 93 91 89 89 97100101 97 92 90 88 88 96100101 98 94
MAX HEAT 102 109 108 97 102 109 108 95 103 110 109
DATE WED 08/26/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26
AST 6HRLY 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MIN/MAX 81 89 81 89 81 89 81 89
TEMP 82 86 89 83 81 86 89 83 81 86 89 83 81 86 89 83
DEWPT 77 77 76 77 76 76 76 76 76 76 77 77 77 77 77 77
PWIND DIR E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ
AVG CLOUDS B1 B1 FW FW SC SC SC FW FW SC SC B1 B1 B1 SC SC
POP 12HR 50 30 30 10 10 50 50 30
RAIN SHWRS SC SC IS IS IS IS IS IS IS IS SC SC SC SC SC SC
TSTMS IS IS IS IS IS
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