521
FOCA52 TJSJ 220631
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
231 AM AST SAT AUG 22 2026
PRZ001-222000-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 84 90 93 72 78 82 84 90 93 73 78 82 84 90 93
TEMP 79 85 89 90 86 82 80 78 79 85 89 90 86 82 80 79 79 86 89 90 87 82
DEWPT 75 76 76 76 76 75 76 75 74 76 75 76 77 77 77 76 76 77 77 77 77 77
RH 88 75 66 64 72 79 88 91 85 75 64 64 75 85 91 91 91 75 68 66 72 85
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 8 11 14 12 8 6 5 5 8 13 14 14 9 8 6 8 8 12 16 14 9
WIND GUST 23 26 25 27 25
CLOUDS SC FW SC SC SC FW CL FW SC B1 SC FW FW B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 50 50 50 40 20
QPF 12HR 0.06 0.04-0.10 0.02-0.11 0.03-0.08 0.02-0.11
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC SC IS IS SC SC IS IS IS SC SC SC SC IS IS IS IS IS
TSTMS IS
HEAT INDEX 82 95101103 96 88 84 80 82 95100103 98 90 86 82 83 97103104 98 91
MAX HEAT 101 110 109 94 100 110 110 95 103 114 113
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 91 78 90 78 90
TEMP 79 86 90 82 79 86 91 83 79 86 90 82 79 85 90 82
DEWPT 76 77 78 77 77 77 77 77 76 76 76 76 76 76 77 77
PWIND DIR E E E E E E E E
WIND CHAR LT GN LT GN GN GN GN GN
AVG CLOUDS SC SC B1 B1 B1 B1 SC SC B1 B1 SC FW FW FW SC SC
POP 12HR 30 40 40 40 40 20 5 30
RAIN SHWRS IS IS SC SC SC SC SC SC SC SC IS IS IS IS SC
TSTMS IS IS IS IS
PRZ002-222000-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 88 94 66 78 82 75 88 94 67 78 82 75 88 94
TEMP 78 84 87 88 85 81 80 78 79 84 87 88 85 81 80 79 79 84 87 88 85 81
DEWPT 74 75 74 74 74 74 74 74 73 74 74 75 75 75 75 75 75 76 75 76 76 76
RH 88 74 65 63 70 79 82 88 82 72 65 66 72 82 85 88 88 77 68 68 75 85
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 10 10 12 11 8 9 9 9 11 13 12 11 9 10 9 10 9 12 12 12 10
WIND GUST 23 19 23 19 20 20 23
CLOUDS FW SC SC SC SC FW CL FW SC B2 SC B1 FW B1 B1 B1 B1 SC SC SC SC SC
POP 12HR 50 60 60 40 30
QPF 12HR 0.09 0.11 0.09-0.18 0.07 0.02-0.11
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC SC IS SC NM IS SC IS SC SC SC SC IS IS SC SC IS
TSTMS IS IS IS
HEAT INDEX 81 91 96 97 92 86 84 81 82 91 96 98 94 88 85 82 83 93 98 99 94 88
MAX HEAT 97 105 103 93 97 105 104 95 99 106 105
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 88 78 88 78 88 78 88
TEMP 79 84 88 81 79 84 88 82 79 84 88 82 79 84 88 82
DEWPT 75 76 76 76 75 76 75 75 74 74 74 74 74 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 SC SC B1 B1 B2 B2 SC SC B1 B1 SC SC SC SC SC B1
POP 12HR 40 50 50 40 40 30 30 40
RAIN SHWRS IS SC SC NM NM NM SC SC SC SC IS IS IS IS SC SC
TSTMS IS IS IS IS
PRZ003-222000-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 68 77 82 79 89 94 69 77 82 79 89 94
TEMP 78 84 88 89 85 81 79 78 78 84 88 89 85 81 80 78 79 85 88 89 86 81
DEWPT 74 74 73 73 73 72 73 73 73 73 73 73 74 75 75 74 74 75 74 74 74 75
RH 88 72 61 59 67 74 82 85 85 70 61 59 70 82 85 88 85 72 63 61 68 82
WIND DIR E E E E E E E E E E E E E E E E E E E E E NE
WIND SPD 6 9 10 13 11 8 6 8 8 9 13 12 11 9 9 9 9 9 12 13 12 8
WIND GUST 21 28 24 26 26 25 19 25 29 25
CLOUDS FW SC SC SC SC CL CL FW SC SC CL FW FW SC SC SC SC FW FW FW FW SC
POP 12HR 40 40 40 10 20
QPF 12HR 0.06 0.04-0.11 0.01-0.18 0.02 0.01
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC SC IS SC SC IS IS IS IS IS IS IS IS IS IS IS
HEAT INDEX 80 91 95 96 91 85 82 80 91 96 97 93 87 84 81 82 92 97 98 93 87
MAX HEAT 99 106 104 91 99 107 107 93 102 109 108
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 88 77 89 78 89 78 89
TEMP 79 84 88 81 78 84 89 81 79 84 89 81 79 84 89 81
DEWPT 74 75 74 75 75 75 73 74 74 74 73 74 73 74 74 75
PWIND DIR E E E E NE E NE E
WIND CHAR LT GN LT GN GN GN GN GN
AVG CLOUDS SC SC SC SC B1 B1 SC SC SC SC FW FW SC SC SC SC
POP 12HR 30 40 40 30 20 10 10 40
RAIN SHWRS IS IS IS IS SC SC SC IS IS IS IS IS IS IS IS SC
TSTMS IS IS IS
PRZ004-222000-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 77 87 93 68 74 78 77 87 94 69 75 79 77 88 94
TEMP 75 82 86 87 83 78 76 75 75 82 86 87 84 79 77 76 76 83 87 88 84 79
DEWPT 73 74 73 73 73 73 73 73 72 73 73 73 74 74 74 74 74 75 74 74 74 74
RH 94 77 65 63 72 85 90 94 90 74 65 63 72 85 90 94 94 77 65 63 72 85
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 3 6 9 11 10 4 3 3 4 8 11 12 11 5 5 5 5 6 11 12 11 5
CLOUDS FW SC SC SC SC FW CL FW SC B1 FW FW FW SC SC SC SC SC SC SC SC SC
POP 12HR 50 50 50 30 20
QPF 12HR 0.07 0.04-0.11 0.02-0.11 0.01-0.08 0.01-0.09
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC SC IS SC SC IS IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS
HEAT INDEX 88 94 94 89 80 88 94 95 90 82 90 96 96 91 82
MAX HEAT 99 105 104 89 99 106 106 91 102 108 107
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 87 75 88 75 87 75 87
TEMP 76 82 87 79 76 83 88 79 76 83 87 79 76 83 87 79
DEWPT 74 75 74 74 74 75 73 74 73 74 73 73 73 74 74 74
PWIND DIR E E E E E E E E
WIND CHAR LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC SC SC SC SC B1 SC SC FW FW FW SC SC
POP 12HR 30 30 30 40 40 20 10 30
RAIN SHWRS IS IS SC SC SC SC SC IS SC SC IS IS IS IS IS SC
TSTMS IS IS IS
PRZ005-222000-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 90 94 72 75 82 85 90 94 73 76 82 85 90 94
TEMP 77 85 89 90 85 80 78 76 77 85 89 90 86 81 79 77 78 85 89 90 86 81
DEWPT 75 76 77 77 77 76 75 75 74 76 76 77 78 77 76 76 75 77 78 78 79 78
RH 94 75 68 66 77 88 91 97 90 75 66 66 77 88 91 97 91 77 70 68 80 91
WIND DIR E E E NE NE E SE SE SE E E E E E E E E E E NE E E
WIND SPD 8 6 11 14 14 11 8 5 5 6 12 17 17 12 8 6 6 8 12 18 17 12
WIND GUST 25 27 21 23 32 32 23 33 33 24
CLOUDS SC FW SC SC B1 FW FW FW FW SC FW SC SC SC SC SC SC FW FW SC SC FW
POP 12HR 50 20 30 10 10
QPF 12HR 0.05-0.54 0.03 0.02-0.46 0.00-0.05 0.00-0.24
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC SC IS IS IS IS IS IS SC SC IS IS IS IS IS IS IS IS IS
TSTMS IS IS IS IS
HEAT INDEX 94102103 97 85 94101103 98 88 81 95104105 99 89
MAX HEAT 101 110 110 93 101 110 110 94 103 116 114
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 90 76 91 76 90 76 90
TEMP 77 85 90 81 77 85 91 81 77 85 90 81 77 85 90 81
DEWPT 76 78 78 77 76 78 78 77 76 77 77 76 75 77 78 77
PWIND DIR E E E E E E E E
WIND CHAR LT GN LT GN GN GN GN GN
AVG CLOUDS FW FW SC SC SC FW FW FW FW FW SC FW CL CL FW FW
POP 12HR 10 30 10 5 20 20 0 10
RAIN SHWRS IS IS IS SC IS IS IS IS IS IS IS IS IS IS
PRZ006-222000-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 85 93 62 72 77 75 85 93 63 73 78 75 85 93
TEMP 74 80 84 85 81 76 74 73 73 80 84 85 82 77 75 74 74 81 85 85 82 77
DEWPT 72 72 72 72 72 72 72 71 71 72 71 71 73 73 73 73 72 73 73 72 74 73
RH 93 77 67 65 74 87 93 93 93 77 65 63 74 87 94 97 93 77 67 65 77 87
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 3 5 8 9 8 4 3 4 4 5 10 11 10 5 4 4 4 6 10 11 10 5
WIND GUST 21 28 20 25 25 24 24 29 24
CLOUDS FW FW SC SC B1 FW CL FW SC SC FW SC SC SC SC SC SC FW FW B1 B1 FW
POP 12HR 60 20 20 5 40
QPF 12HR 0.05-0.70 0.03 0.01-0.46 0.01 0.01-0.36
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC NM IS IS IS IS IS IS IS IS IS IS IS SC SC IS
TSTMS IS IS IS IS IS
HEAT INDEX 84 90 91 85 84 90 91 86 85 91 92 87
MAX HEAT 98 108 106 86 97 106 106 88 99 108 107
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 85 73 85 73 85 73 85
TEMP 74 80 85 77 74 81 85 77 74 80 85 77 74 80 85 77
DEWPT 73 74 73 73 73 74 72 72 72 72 72 72 72 73 73 73
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT GN LT GN LT GN
AVG CLOUDS FW FW SC SC FW FW FW SC FW FW SC FW CL FW FW FW
POP 12HR 5 40 0 30 5 10 0 0
RAIN SHWRS IS IS IS SC IS IS IS IS IS IS IS IS
TSTMS IS IS
PRZ007-222000-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 62 75 82 75 89 94 63 76 82 75 89 94
TEMP 77 84 88 89 85 80 78 76 76 84 88 89 85 80 78 77 77 84 88 89 85 81
DEWPT 71 71 72 72 73 71 70 70 70 70 72 72 74 74 73 72 71 72 73 73 74 73
RH 82 65 59 57 67 74 76 82 82 63 59 57 70 82 85 85 82 67 61 59 70 77
WIND DIR E E SE SE SE E NE NE E E SE SE SE E E E E E E SE SE E
WIND SPD 4 4 11 11 8 6 5 4 4 6 12 12 11 8 5 5 5 8 12 13 10 8
WIND GUST 24 28 23 26 27 25 19 25 31 27
CLOUDS FW CL FW SC B1 FW CL FW SC FW CL SC SC FW FW FW FW CL CL B1 B1 FW
POP 12HR 60 10 30 0 30
QPF 12HR 0.04-0.64 0.02 0.01-0.45 0 0.00-0.47
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC SC IS IS IS IS SC SC SC SC IS
TSTMS IS IS IS IS IS
HEAT INDEX 89 95 96 91 82 88 95 97 92 85 81 89 96 97 93 85
MAX HEAT 95 107 105 91 94 106 106 92 96 108 107
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 88 76 89 76 89 76 89
TEMP 77 84 88 80 77 84 89 80 77 84 89 80 77 84 89 80
DEWPT 72 72 74 74 73 73 72 72 71 71 72 73 71 71 73 74
PWIND DIR E E E E NE 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 FW FW FW FW FW
POP 12HR 0 30 0 20 0 5 0 5
RAIN SHWRS IS IS IS SC IS IS IS IS IS IS
TSTMS IS IS
PRZ008-222000-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 93 70 74 82 85 88 94 70 75 82 85 88 94
TEMP 76 83 87 88 83 78 76 75 75 83 87 88 84 79 77 76 76 83 87 88 84 79
DEWPT 73 75 76 76 76 76 75 73 72 74 75 76 77 76 76 74 74 76 77 77 77 77
RH 90 77 70 68 80 94 97 94 90 74 68 68 80 91 97 94 94 80 72 70 80 94
WIND DIR E E NE NE NE E E E E E E NE E E E E E E E NE E E
WIND SPD 11 9 9 12 12 12 9 9 6 9 9 13 13 12 8 8 8 9 9 16 14 14
WIND GUST 21 23 23 23 27 28 24 19 28 29 28
CLOUDS SC SC SC SC B2 SC FW FW CL FW FW B1 B2 SC SC SC SC CL CL SC SC FW
POP 12HR 70 30 60 10 30
QPF 12HR 0.09-0.62 0.03 0.31-0.46 0.01 0.00-0.42
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC SC NM SC IS IS IS IS NM NM IS IS IS IS SC SC IS
TSTMS IS IS IS
HEAT INDEX 90 97 99 92 80 89 97 99 93 82 91 99101 94 83
MAX HEAT 97 109 107 92 96 109 108 93 99 112 111
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 89 75 88 75 88
TEMP 76 83 89 79 76 83 89 79 76 83 88 79 76 83 88 79
DEWPT 75 76 78 77 74 76 77 76 74 75 76 76 74 75 77 76
PWIND DIR E E E E E E E E
WIND CHAR GN LT LT GN GN GN GN GN
AVG CLOUDS FW FW SC SC FW FW FW SC FW FW FW FW CL CL FW SC
POP 12HR 5 50 5 20 0 10 0 20
RAIN SHWRS IS IS SC SC IS IS IS IS IS IS IS IS
TSTMS IS IS IS
PRZ009-222000-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 65 71 75 75 86 94 66 72 76 75 86 94
TEMP 73 80 85 86 81 76 74 72 73 80 85 86 82 77 75 73 74 81 85 86 82 77
DEWPT 71 72 73 74 74 73 72 71 70 72 72 73 74 74 73 72 72 73 74 75 75 74
RH 93 77 67 68 79 90 93 97 90 77 65 65 77 90 94 97 93 77 70 70 79 90
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 4 4 5 5 4 4 4 4 5 6 5 5 4 4 4 4 5 6 6 5 5
WIND GUST 21 19 25 26 24 26 16
CLOUDS FW FW SC SC B2 FW FW FW FW FW FW B2 B2 FW FW FW FW CL CL B2 B2 FW
POP 12HR 70 10 60 0 60
QPF 12HR 0.14-0.75 0.01 0.15-0.46 0 0.05-0.55
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC NM IS IS IS IS IS IS NM NM NM NM IS
TSTMS IS IS IS IS IS
HEAT INDEX 84 92 93 86 84 91 93 87 85 93 95 88
MAX HEAT 98 110 110 87 97 110 109 87 98 113 111
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 86 73 86 73 86 73 86
TEMP 74 81 86 77 74 81 86 77 73 81 86 77 73 81 86 77
DEWPT 73 74 75 74 72 74 75 74 72 72 74 73 71 72 75 74
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT
AVG CLOUDS FW FW SC B1 CL CL FW SC FW FW FW SC CL CL FW SC
POP 12HR 5 60 0 40 5 30 0 40
RAIN SHWRS IS IS NM NM SC SC IS IS SC SC SC SC
TSTMS IS IS IS IS IS
PRZ010-222000-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 77 91 94 67 74 82 77 91 94 68 75 82 77 91 94
TEMP 77 85 90 91 86 80 77 75 76 85 90 91 86 80 78 76 77 85 90 91 86 81
DEWPT 73 75 77 77 77 76 75 74 72 75 76 77 77 77 76 75 74 76 78 78 78 77
RH 87 72 66 64 75 88 94 97 87 72 64 64 75 91 94 97 90 75 68 66 77 88
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 10 5 4 5 8 6 6 6 6 6 5 6 6 8 6 6 6 6 5 8 8 9
WIND GUST 25 16 18 17 20 18 18 18 17 19 23 20 17 20 18 23
CLOUDS FW FW SC SC B2 SC FW FW FW FW FW B1 B1 SC SC SC SC CL CL B2 B2 SC
POP 12HR 70 20 50 10 60
QPF 12HR 0.02-0.73 0.01-0.06 0.02-0.46 0.01 0.01-0.56
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC NM IS IS IS IS IS SC NM IS IS IS IS NM NM IS
TSTMS IS IS IS IS IS
HEAT INDEX 94102104 97 84 93101103 97 86 80 95104106 99 88
MAX HEAT 103 110 110 92 101 110 110 93 104 118 114
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 91 76 91 76 91 76 91
TEMP 77 85 91 81 77 85 91 81 77 85 91 81 77 85 91 81
DEWPT 75 76 79 77 75 76 79 77 74 75 78 76 74 75 78 77
PWIND DIR E E E E E E E E
WIND CHAR LT LT LT GN LT LT LT LT
AVG CLOUDS SC SC SC B1 FW FW FW B1 SC FW FW SC CL CL FW SC
POP 12HR 20 60 5 50 10 40 0 40
RAIN SHWRS IS IS NM NM IS IS SC SC IS IS SC SC SC SC
TSTMS IS IS IS IS IS IS
PRZ011-222000-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 72 75 82 85 93 94 73 76 82 85 93 94
TEMP 77 86 92 93 87 81 78 76 77 86 92 93 87 81 79 77 78 86 92 93 88 82
DEWPT 72 73 74 75 75 74 73 71 70 71 74 75 75 76 75 74 72 73 75 75 76 76
RH 85 65 56 56 68 79 85 85 79 61 56 56 68 85 88 90 82 65 58 56 68 82
WIND DIR E E SE SE E E E E E E SE SE E E E E E E E SE E E
WIND SPD 5 6 11 11 9 9 10 6 5 8 14 16 9 10 11 8 6 10 13 16 9 9
WIND GUST 25 23 20 25 19 28 31 21 21 27 21 28 31 20 20
CLOUDS CL CL FW SC B1 FW FW FW FW CL CL FW FW FW FW FW FW CL CL SC SC SC
POP 12HR 40 10 10 0 30
QPF 12HR 0.04-0.37 0.01 0.01-0.23 0 0.00-0.55
SNOW 12HR MM MM MM
RAIN SHWRS IS SC IS IS IS IS IS IS IS IS IS
TSTMS IS IS IS
HEAT INDEX 93101104 97 85 91101104 97 88 81 94103105 99 89
MAX HEAT 96 110 109 91 95 110 110 93 98 113 112
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 93 76 93 76 93 76 93
TEMP 77 87 93 82 77 87 93 82 77 86 93 81 77 86 93 81
DEWPT 73 73 76 76 75 75 74 75 72 72 75 76 73 72 75 76
PWIND DIR E E E E E E E E
WIND CHAR LT GN GN BZ LT GN LT GN
AVG CLOUDS SC FW FW SC FW FW FW SC FW FW FW FW CL CL FW FW
POP 12HR 20 20 0 20 5 5 0 5
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS
PRZ012-222000-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 81 85 89 94
TEMP 82 86 88 89 86 84 83 82 82 86 89 89 87 84 83 82 82 86 89 89 87 84
DEWPT 76 77 77 76 77 76 76 75 75 76 77 77 78 77 77 77 77 78 78 78 78 77
RH 82 75 70 66 75 77 80 79 79 72 68 68 75 80 82 85 85 77 70 70 75 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 14 14 13 14 13 14 17 17 14 17 16 14 14 17 18 17 16 17 16 14 14 16
CLOUDS FW SC SC SC SC CL CL SC SC SC SC B2 SC SC SC SC SC SC SC SC SC SC
POP 12HR 50 50 60 20 20
QPF 12HR 0.10 0.09 0.17 0.03 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC SC SC SC SC SC NM IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS IS
HEAT INDEX 88 96100100 97 92 91 88 89 96101102 99 94 92 90 90 98102102100 94
MAX HEAT 100 105 104 94 100 107 106 95 102 107 106
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 84 82 86 89 84 82 86 89 84 82 86 89 84
DEWPT 77 78 78 78 78 78 78 77 77 77 77 76 76 77 78 77
PWIND DIR E E E E E E E E
WIND CHAR GN GN BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC B1 SC B1 B1 SC SC SC SC SC FW CL FW FW SC
POP 12HR 40 40 40 30 30 20 0 40
RAIN SHWRS IS SC SC SC SC SC IS IS SC SC IS IS IS SC
TSTMS IS IS IS
PRZ013-222000-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 92 81 85 89 93 81 85 90 93
TEMP 81 86 89 89 87 84 83 81 82 86 89 89 87 84 83 82 82 86 89 90 87 84
DEWPT 74 75 74 74 74 74 74 74 74 75 75 75 76 76 76 76 75 76 76 76 76 76
RH 79 70 61 61 65 72 74 79 77 70 64 64 70 77 80 82 79 72 66 64 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 14 13 12 14 14 14 16 16 14 17 16 14 14 17 18 17 17 16 14 14 14 17
CLOUDS FW SC SC SC SC CL CL SC SC B2 FW B2 FW SC SC SC SC SC SC SC SC SC
POP 12HR 50 60 60 20 10
QPF 12HR 0.10 0.11 0.09-0.18 0.03 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC SC SC SC NM IS NM IS IS IS IS IS IS IS IS IS IS
TSTMS IS IS IS
HEAT INDEX 87 95 98 98 95 91 89 87 87 95 99100 97 92 90 88 89 97100101 97 92
MAX HEAT 98 102 101 92 97 104 104 94 100 105 105
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 90 81 89 81 89
TEMP 81 86 89 84 82 86 90 84 82 86 89 84 82 86 89 84
DEWPT 76 76 76 76 76 76 75 75 75 75 74 75 75 75 75 76
PWIND DIR E E E E E E E E
WIND CHAR GN GN BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC SC B1 B2 B1 SC SC SC SC FW FW FW FW SC B1
POP 12HR 30 50 50 30 30 10 5 50
RAIN SHWRS IS SC SC SC SC SC IS IS SC IS IS IS IS IS IS SC
TSTMS IS IS IS
VIZ001-222000-
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 SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 74 80 82 85 88 94 74 81 82 85 88 94
TEMP 81 85 87 88 86 83 82 81 81 85 88 88 86 83 82 81 82 85 88 88 86 83
DEWPT 75 75 75 74 74 75 75 74 74 75 75 75 76 76 76 76 76 77 76 76 76 76
RH 82 72 68 63 68 77 79 79 79 72 66 66 72 80 82 85 82 77 68 68 72 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 16 14 14 14 12 16 16 16 14 17 18 14 14 17 18 17 16 17 16 14 14 16
CLOUDS FW SC SC SC SC CL CL SC SC SC SC SC SC SC SC SC SC SC SC FW FW SC
POP 12HR 50 30 50 20 20
QPF 12HR 0.08 0.07 0.09-0.16 0.03 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC SC SC IS IS SC SC IS IS IS IS IS IS IS IS IS IS
TSTMS IS
HEAT INDEX 86 93 96 96 93 89 88 86 86 94 98 98 96 91 89 87 88 95 99 98 96 91
MAX HEAT 100 106 105 94 100 107 106 96 102 108 107
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 80 88 81 88 80 88 80 88
TEMP 81 85 88 83 81 85 88 83 81 85 88 83 81 85 88 83
DEWPT 76 77 76 76 77 76 75 76 75 75 74 75 75 76 75 76
PWIND DIR E E E E E E E E
WIND CHAR GN GN BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC B1 B1 B2 SC FW FW SC SC FW FW CL CL FW SC
POP 12HR 40 50 50 30 30 10 0 40
RAIN SHWRS IS SC SC SC SC SC IS SC SC SC IS IS SC
TSTMS IS IS IS
VIZ002-222000-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
231 AM AST SAT AUG 22 2026
DATE SAT 08/22/26 SUN 08/23/26 MON 08/24/26
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 80 85 89 94 81 85 89 94
TEMP 81 85 88 89 86 83 82 81 81 86 88 89 86 83 82 81 82 86 88 89 86 83
DEWPT 75 75 75 75 75 75 75 75 75 76 77 77 77 77 77 77 77 77 77 77 77 77
RH 82 72 66 64 70 77 79 82 82 72 70 68 75 82 85 88 85 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 13 14 16 13 12 13 16 14 13 17 16 14 14 14 16 16 14 16 16 14 13 12
CLOUDS FW SC SC SC SC FW FW SC SC FW SC FW FW SC SC SC SC SC SC FW FW SC
POP 12HR 50 40 30 20 10
QPF 12HR 0.07 0.06 0.02-0.09 0.03 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS SC SC SC SC IS IS SC IS IS SC IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS
HEAT INDEX 87 94 98 98 95 91 89 86 87 95100101 98 93 91 88 89 97101101 98 93
MAX HEAT 100 107 106 94 101 109 108 96 103 110 109
DATE TUE 08/25/26 WED 08/26/26 THU 08/27/26 FRI 08/28/26
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 80 89 81 89 81 89 80 89
TEMP 81 86 89 83 81 86 89 83 81 86 89 83 81 86 89 83
DEWPT 77 77 77 78 77 77 76 77 76 76 76 76 76 76 77 77
PWIND DIR E E E E E E E E
WIND CHAR GN GN BZ BZ BZ BZ BZ BZ
AVG CLOUDS SC SC B1 SC B1 B1 FW FW SC SC FW FW FW FW FW SC
POP 12HR 40 50 50 30 30 10 5 50
RAIN SHWRS IS SC SC SC SC SC IS IS IS IS IS IS IS IS IS SC
TSTMS IS IS IS
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