870
FOCA52 TJSJ 082102
AFMSJU
AREA FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
502 PM AST MON SEP 8 2025
PRZ001-090800-
SAN JUAN AND VICINITY-
INCLUDING THE CITIES OF BAYAMON, CAROLINA, CATANO, GUAYNABO,
SAN JUAN, TOA ALTA, TOA BAJA, AND TRUJILLO ALTO
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 75 80 81 89 91 72 76 82 82 89 92 73 77 82
TEMP 79 77 76 75 83 88 89 83 80 78 77 76 84 88 89 84 81 79 78 77 85
DEWPT 75 75 74 73 76 77 77 77 76 76 75 74 76 77 77 77 76 77 76 76 77
RH 88 94 94 94 80 70 68 82 88 94 94 94 77 70 68 80 85 94 94 97 77
WIND DIR SE SE SE SE SE E E SE SE SE SE SE SE SE E E E E E SE E
WIND SPD 6 6 4 3 4 9 9 9 6 6 5 3 4 11 13 11 8 6 5 4 8
CLOUDS SC FW CL FW FW FW FW SC B2 B2 B1 B1 SC SC B2 B2 SC SC SC SC SC
POP 12HR 20 50 50 60 50
QPF 12HR 0.02 0.14 0.17-0.23 0.57-1.09 0.08-0.18
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS SC SC SC SC SC SC NM NM SC SC SC SC IS
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 82 91100101 92 84 80 93101102 94 86 82 80 95
MAX HEAT 96 88 97 111 109 92 98 113 109 93 103
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 77 90 76 90 76 90 77 90
TEMP 90 81 78 85 90 81 77 84 90 80 77 84 90 81 78 84 90 81
DEWPT 77 76 75 77 77 75 75 76 76 75 75 76 77 75 75 77 66 74
PWIND DIR E E E SE E SE E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC SC SC B1 B2 B1 B1 B1 B1 B1 SC FW B1 B1 SC SC B1
POP 12HR 30 30 60 40 50 40 40 40 50
RAIN SHWRS IS SC SC SC NM NM SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS
PRZ002-090800-
NORTHEAST-
INCLUDING THE CITIES OF CEIBA, CANOVANAS, FAJARDO, HUMACAO,
LOIZA, LUQUILLO, NAGUABO, AND RIO GRANDE
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 66 75 81 74 87 91 67 76 82 74 87 92 67 77 82
TEMP 78 77 76 75 82 86 87 82 79 78 77 76 82 86 87 82 80 78 77 77 83
DEWPT 74 74 73 74 75 75 75 76 74 75 74 74 75 76 76 77 76 76 75 75 76
RH 88 90 90 97 79 70 68 82 85 91 90 94 79 72 70 85 88 94 94 94 80
WIND DIR E E E E E E SE SE SE SE SE SE SE SE SE E E E E E E
WIND SPD 9 9 5 4 5 8 8 8 9 10 8 5 8 11 11 9 9 10 8 9 9
WIND GUST 19 20 20 18 19
CLOUDS SC SC CL SC SC FW FW SC B2 B2 B1 B1 SC SC B1 B1 SC SC SC SC B1
POP 12HR 20 50 50 50 50
QPF 12HR 0.03 0.14 0.24 0.58-1.09 0.18
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 81 88 95 96 90 83 90 96 97 91 85 80 91
MAX HEAT 98 89 97 105 103 93 98 108 106 94 100
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 88 76 88 76 88
TEMP 88 80 77 83 88 80 77 83 88 80 77 83 88 80 77 83 88 80
DEWPT 75 75 75 75 75 74 74 75 75 74 74 75 75 74 74 75 69 74
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN LT GN LT GN LT GN
AVG CLOUDS B1 B1 B1 B1 B1 B2 B1 B1 B1 B1 B1 SC SC B1 B1 SC SC B1
POP 12HR 50 50 60 50 50 40 40 40 50
RAIN SHWRS SC SC SC SC NM NM SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS
PRZ003-090800-
SOUTHEAST-
INCLUDING THE CITIES OF ARROYO, GUAYAMA, MAUNABO, PATILLAS,
SALINAS, AND YABUCOA
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 81 76 87 91 69 76 82 77 87 92 70 77 82
TEMP 78 76 75 75 82 86 87 82 79 78 77 76 82 86 87 82 80 78 77 77 83
DEWPT 74 74 72 72 73 73 74 75 74 73 73 72 74 75 75 76 75 76 75 74 75
RH 88 94 90 90 74 65 65 79 85 85 87 87 77 70 68 82 85 94 94 90 77
WIND DIR E E E E E SE SE SE E E E E E SE SE E E E E E E
WIND SPD 6 8 5 4 5 9 9 9 8 9 8 5 6 11 9 8 8 8 6 8 9
WIND GUST 20 19 20 23
CLOUDS FW FW CL SC SC FW FW SC SC SC B1 B1 SC SC B1 B1 SC SC SC SC SC
POP 12HR 10 20 40 50 50
QPF 12HR 0.02 0.02-0.14 0.04-0.24 0.09-0.59 0.13-0.18
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS
HEAT INDEX 86 93 95 89 82 88 95 96 90 84 80 90
MAX HEAT 95 88 96 103 102 92 97 105 103 93 98
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 88 76 88 76 88
TEMP 88 80 77 83 88 80 77 83 88 79 77 83 88 80 77 83 88 80
DEWPT 74 74 74 75 74 74 74 74 73 73 73 74 74 74 74 74 67 73
PWIND DIR E E E E E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS SC SC B1 SC SC SC B1 B1 SC SC SC SC FW FW SC SC SC SC
POP 12HR 40 40 50 50 50 20 40 40 50
RAIN SHWRS SC IS SC SC IS IS SC SC SC IS SC IS IS SC SC SC IS SC
PRZ004-090800-
EASTERN INTERIOR-
INCLUDING THE CITIES OF AGUAS BUENAS, CAGUAS, CAYEY, CIDRA,
COMERIO, GURABO, JUNCOS, LAS PIEDRAS, AND SAN LORENZO
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 72 76 76 86 92 68 73 77 75 85 92 69 74 78
TEMP 75 73 72 72 80 85 86 80 77 75 74 73 80 84 85 80 77 76 74 74 81
DEWPT 73 72 71 71 74 74 74 74 73 73 72 72 74 75 74 75 74 74 73 73 75
RH 94 97 97 97 82 70 68 82 87 94 93 97 82 74 70 85 90 94 97 97 82
WIND DIR SE E E SE SE SE SE SE SE SE SE SE SE SE SE E E E E E E
WIND SPD 4 5 4 2 4 6 8 6 5 6 5 3 5 10 9 6 5 4 4 4 6
CLOUDS SC FW CL FW FW FW FW SC B1 B1 B1 B1 SC SC B1 B1 SC SC SC SC SC
POP 12HR 20 40 50 60 50
QPF 12HR 0.02 0.07-0.14 0.08-0.24 0.58-1.09 0.17
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS SC SC SC SC SC SC NM NM SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 83 92 93 84 84 92 94 85 87
MAX HEAT 92 94 106 105 87 97 107 106 88 100
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 73 87 73 87 73 87 73 87
TEMP 87 77 74 81 87 77 74 81 87 77 74 81 87 77 74 81 87 77
DEWPT 74 73 73 74 74 73 72 74 74 73 72 74 74 73 72 74 64 73
PWIND DIR E E E E E E E E E
WIND CHAR GN LT LT LT GN LT LT LT GN
AVG CLOUDS SC B1 SC SC SC B1 B1 B1 B1 B1 SC SC FW SC B1 SC SC SC
POP 12HR 40 30 50 40 40 30 40 40 50
RAIN SHWRS SC SC SC SC SC SC SC SC SC SC SC SC IS SC SC SC IS SC
TSTMS IS IS IS IS IS IS
PRZ005-090800-
NORTH CENTRAL-
INCLUDING THE CITIES OF ARECIBO, BARCELONETA, DORADO, FLORIDA,
MANATI, VEGA ALTA, AND VEGA BAJA
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 73 80 84 88 92 72 74 82 84 89 93 73 75 82
TEMP 78 76 74 74 82 87 88 82 78 76 75 74 83 88 89 83 79 77 76 75 84
DEWPT 76 75 73 72 76 77 78 77 76 76 74 74 77 78 78 77 76 76 75 75 77
RH 94 97 97 93 82 72 72 85 94100 97100 82 72 70 82 91 97 97100 80
WIND DIR SE SE SE SE SE E E E SE SE SE SE SE E E E E E SE SE SE
WIND SPD 5 5 5 5 4 8 11 9 5 6 5 4 4 9 10 10 9 6 5 4 6
WIND GUST 21
CLOUDS FW FW CL FW CL FW SC B1 B1 B1 SC SC SC SC B2 B2 FW FW FW FW FW
POP 12HR 5 40 50 60 20
QPF 12HR 0 0.12-0.74 0.11-0.21 1.06 0.01-0.08
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS SC SC IS IS SC SC NM NM IS IS IS IS
TSTMS IS IS IS IS IS IS IS
HEAT INDEX 89100102 91 80 92102104 92 83 95
MAX HEAT 96 88 96 113 111 93 99 115 113 93 103
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 74 90 74 90 74 90 75 90
TEMP 91 79 75 84 90 79 75 83 90 79 75 83 90 79 76 83 90 80
DEWPT 77 76 74 77 78 76 74 76 77 76 75 77 78 76 75 77 68 71
PWIND DIR E SE E SE E SE SE SE E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS FW SC FW FW SC B1 SC SC SC B1 B1 SC FW SC FW FW FW FW
POP 12HR 30 5 50 20 60 40 10 5 10
RAIN SHWRS SC SC IS IS IS SC IS IS IS SC SC SC IS IS IS IS IS IS
TSTMS IS IS IS IS IS
PRZ006-090800-
CENTRAL INTERIOR-
INCLUDING THE CITIES OF AIBONITO, BARRANQUITAS, CIALES, COAMO,
COROZAL, JAYUYA, MOROVIS, NARANJITO, OROCOVIS, AND VILLALBA
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 61 70 74 74 82 90 62 71 75 74 83 91 64 72 77
TEMP 73 72 71 70 77 81 82 78 75 73 72 71 78 82 83 78 75 74 73 72 79
DEWPT 71 71 70 69 72 72 73 73 72 72 71 70 72 73 73 73 72 73 72 71 73
RH 93 97 97 97 85 74 74 85 90 97 97 97 82 74 72 85 90 97 97 97 82
WIND DIR E E E E E SE SE SE SE SE SE SE SE SE SE SE E E E E E
WIND SPD 4 3 3 3 3 6 6 5 4 5 4 3 3 8 9 6 4 3 3 3 5
WIND GUST 21
CLOUDS FW FW CL FW CL FW SC SC SC SC SC SC SC SC B1 B1 SC SC SC SC FW
POP 12HR 0 20 30 60 30
QPF 12HR 0 0.03-0.72 0.05-0.21 0.12-1.08 0.01-0.15
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS SC SC NM NM IS IS IS IS
TSTMS IS IS IS IS IS
HEAT INDEX 86 87 80 80 87 88 81 82
MAX HEAT 90 93 105 103 95 108 105 84 97
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 84 72 84 71 83 71 84 71 84
TEMP 84 75 73 79 84 75 72 78 83 75 72 78 84 75 72 79 84 75
DEWPT 73 72 71 73 73 72 71 72 73 72 71 73 73 72 71 73 61 68
PWIND DIR E E E E SE E E E E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW FW SC SC SC SC SC SC FW FW FW SC FW FW FW FW
POP 12HR 40 5 50 10 40 5 10 0 10
RAIN SHWRS SC SC IS IS IS SC IS IS IS SC IS IS IS IS IS IS IS IS
TSTMS IS IS IS IS IS IS
PRZ007-090800-
PONCE AND VICINITY-
INCLUDING THE CITIES OF GUAYANILLA, JUANA DIAZ, YAUCO, PENUELAS,
PONCE, AND SANTA ISABEL
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 74 80 74 87 92 65 76 82 74 87 93 66 76 82
TEMP 78 76 75 74 82 86 87 82 79 77 76 76 82 86 87 83 80 78 77 77 83
DEWPT 73 72 71 69 71 70 72 73 73 72 71 70 71 73 73 74 73 73 73 72 73
RH 85 87 87 84 69 59 61 74 82 85 85 82 69 65 63 74 79 85 87 85 72
WIND DIR E E E NE E SE SE SE E E E E E SE SE E E E E E E
WIND SPD 6 5 4 4 4 9 9 8 5 9 6 6 6 11 10 8 5 5 5 4 6
WIND GUST 19 21 21 23 23 19
CLOUDS SC FW CL FW FW FW FW SC FW FW FW FW SC SC SC SC FW FW FW FW CL
POP 12HR 10 10 20 20 20
QPF 12HR 0.00-0.11 0.02-0.51 0.03 0.04-0.56 0.01-0.13
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
TSTMS
HEAT INDEX 85 90 93 87 82 87 93 95 89 84 80 89
MAX HEAT 94 89 94 102 101 91 95 105 103 92 97
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 75 88 75 88 75 88
TEMP 88 80 77 83 88 79 76 83 88 79 76 83 88 79 76 83 88 79
DEWPT 73 73 72 73 73 73 72 72 72 72 71 71 72 73 72 71 68 68
PWIND DIR E E E E E E E E E
WIND CHAR GN LT LT LT GN LT LT LT GN
AVG CLOUDS FW SC FW FW FW SC CL FW FW FW CL CL FW FW CL CL FW FW
POP 12HR 10 5 20 0 5 0 10 0 10
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS
PRZ008-090800-
NORTHWEST-
INCLUDING THE CITIES OF AGUADILLA, CAMUY, HATILLO, ISABELA,
AND QUEBRADILLAS
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 73 80 84 87 93 70 73 82 85 88 93 71 74 82
TEMP 77 75 74 73 81 86 87 81 78 75 74 74 82 87 88 82 79 77 75 75 83
DEWPT 74 74 72 70 73 75 76 75 75 74 73 72 74 75 76 75 76 75 74 73 75
RH 90 97 93 90 77 70 70 82 91 97 97 93 77 68 68 79 91 94 97 94 77
WIND DIR SE SE SE SE E E NE NE SE SE SE SE SE E NE E E E E SE E
WIND SPD 2 4 4 5 4 8 9 4 3 5 5 4 5 6 6 6 8 8 6 5 5
WIND GUST 20
CLOUDS SC SC CL CL CL CL SC B2 B1 SC SC SC SC SC B2 B2 SC SC FW FW CL
POP 12HR 30 70 40 60 20
QPF 12HR 0.01-0.11 0.26-0.74 0.10 1.07 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC NM SC IS IS IS SC SC NM NM IS IS
TSTMS IS IS IS IS
HEAT INDEX 85 94 97 87 88 96 98 89 80 90
MAX HEAT 96 87 94 107 106 92 96 107 106 93 99
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 88 74 88 74 88 74 88
TEMP 89 78 75 82 88 78 75 82 88 78 75 82 88 78 75 82 88 79
DEWPT 76 75 73 74 76 75 74 74 75 74 73 74 76 75 73 74 71 71
PWIND DIR E E E SE E SE E E E
WIND CHAR GN LT LT LT LT LT GN LT GN
AVG CLOUDS FW SC FW FW SC B1 SC FW SC B1 FW FW FW SC FW FW FW SC
POP 12HR 50 5 60 10 60 5 40 0 20
RAIN SHWRS SC SC NM NM IS IS NM NM IS IS SC SC IS IS
TSTMS IS IS IS IS IS IS IS IS
PRZ009-090800-
WESTERN INTERIOR-
INCLUDING THE CITIES OF ADJUNTAS, LARES, LAS MARIAS, MARICAO,
SABANA GRANDE, SAN SEBASTIAN, AND UTUADO
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 74 84 93 66 72 76 74 85 93 67 73 77
TEMP 74 73 71 71 78 83 84 79 75 74 72 72 79 84 85 80 76 75 74 73 80
DEWPT 72 72 70 68 71 71 72 72 72 72 71 70 72 72 73 72 72 73 72 70 73
RH 93 97 97 90 79 67 67 79 90 93 97 93 79 67 67 77 87 94 93 90 79
WIND DIR E E SE SE E E E SE SE SE SE SE SE SE E E E E E E E
WIND SPD 3 3 3 3 3 4 4 2 3 5 4 4 4 6 5 4 3 4 3 3 3
WIND GUST 20 23 23
CLOUDS SC SC CL CL CL FW SC B2 SC FW FW FW SC SC B1 B1 FW FW FW FW CL
POP 12HR 20 70 30 60 10
QPF 12HR 0.00-0.11 0.10-0.74 0.02-0.14 0.04-1.07 0.02
SNOW 12HR MM MM MM
RAIN SHWRS IS IS SC NM IS IS IS IS SC SC NM NM IS IS IS IS
TSTMS IS IS IS
HEAT INDEX 80 87 90 81 82 89 91 83 84
MAX HEAT 92 91 105 103 84 93 106 105 87 96
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 72 85 72 85 72 85 71 85
TEMP 85 76 73 80 85 76 73 79 85 76 73 79 85 76 72 80 85 76
DEWPT 73 72 71 72 73 72 71 72 73 72 71 72 74 72 71 72 67 68
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 FW FW SC B1 FW FW SC SC FW FW SC B1 CL CL FW SC
POP 12HR 50 5 60 0 50 0 60 0 50
RAIN SHWRS SC SC NM NM NM NM NM NM SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ010-090800-
MAYAGUEZ AND VICINITY-
INCLUDING THE CITIES OF AGUADA, ANASCO, HORMIGUEROS, MAYAGUEZ,
MOCA, RINCON, AND SAN GERMAN
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 82 76 89 93 70 75 82 77 90 93 72 76 82
TEMP 78 77 75 75 83 88 89 83 79 77 76 76 84 88 90 84 80 78 77 76 84
DEWPT 75 75 73 71 73 75 75 75 75 75 74 72 75 76 76 76 76 75 74 73 75
RH 91 94 94 87 72 66 64 77 88 94 94 87 74 68 64 77 88 91 90 90 74
WIND DIR E E E E E E NE NE E E E E E SE E E E E E E E
WIND SPD 5 6 6 5 5 5 5 3 5 8 9 8 8 6 5 4 4 6 6 5 5
WIND GUST 19 20 20 20 21 20 17 24 20 21 19 17 17 19 18 23 21 19
CLOUDS B1 SC FW FW CL FW SC B2 SC FW SC SC SC SC B1 B1 SC SC FW FW CL
POP 12HR 50 60 20 50 20
QPF 12HR 0.11 0.03-0.74 0.02-0.11 0.04-1.07 0.01-0.07
SNOW 12HR MM MM MM
RAIN SHWRS SC IS SC NM IS IS IS IS IS NM NM IS IS IS IS
TSTMS IS IS IS IS
HEAT INDEX 80 89 97100 91 82 91 99101 92 84 93
MAX HEAT 96 93 95 109 107 92 98 109 107 93 99
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 90 75 90 75 90 75 90 75 90
TEMP 90 80 76 84 90 80 76 84 90 80 76 84 90 80 76 84 90 80
DEWPT 77 76 74 75 76 76 74 75 76 75 74 75 77 75 74 75 72 71
PWIND DIR E E E E E E E E E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS FW SC FW FW SC SC FW FW FW SC FW FW SC SC FW FW SC SC
POP 12HR 50 5 60 0 50 0 60 0 50
RAIN SHWRS NM NM NM NM NM NM NM NM SC SC
TSTMS IS IS IS IS IS IS IS IS IS IS
PRZ011-090800-
SOUTHWEST-
INCLUDING THE CITIES OF CABO ROJO, GUANICA, AND LAJAS
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 75 80 85 91 93 72 76 82 86 91 93 73 77 82
TEMP 80 78 76 76 84 89 91 85 81 79 77 77 85 90 91 85 81 79 78 77 86
DEWPT 75 75 74 72 73 71 73 74 73 73 72 72 73 75 75 75 76 76 75 74 75
RH 85 91 94 87 70 56 56 70 77 82 85 85 67 62 60 72 85 91 91 90 70
WIND DIR E E E E E SE SE SE E E E E E SE SE SE E E E E E
WIND SPD 10 9 10 8 8 11 12 9 8 12 11 10 11 13 13 12 10 10 9 8 8
WIND GUST 23 20 23 24 24 25 26 21 24 25 27 25 21 23 20
CLOUDS B1 SC CL FW FW FW SC SC FW FW FW FW SC SC SC SC FW FW FW FW CL
POP 12HR 40 20 20 20 20
QPF 12HR 0.11 0.03-0.56 0.02 0.04 0.04
SNOW 12HR MM MM MM
RAIN SHWRS SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS IS
TSTMS IS
HEAT INDEX 82 90 96 99 92 84 80 92100103 94 87 82 94
MAX HEAT 94 88 94 105 103 92 95 108 106 92 98
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 92 76 92 76 92 76 92
TEMP 92 81 77 86 92 81 77 85 92 81 77 85 92 81 76 85 92 80
DEWPT 75 75 74 74 75 75 74 74 74 74 73 73 73 75 74 73 72 70
PWIND DIR SE E SE E SE E E E E
WIND CHAR GN GN GN LT GN GN GN LT GN
AVG CLOUDS FW FW FW FW FW FW CL FW FW FW CL CL FW SC CL CL FW FW
POP 12HR 5 5 10 0 0 0 20 0 10
RAIN SHWRS IS IS IS IS IS IS IS IS IS IS
TSTMS IS
PRZ012-090800-
CULEBRA-
INCLUDING THE CITY OF CULEBRA
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 79 85 89 93 80 86 89 93 80
TEMP 82 81 80 79 85 88 89 85 83 82 81 80 85 89 89 86 83 82 81 80 86
DEWPT 75 76 76 76 77 77 77 78 77 77 77 77 78 78 78 79 78 78 78 77 77
RH 79 85 88 91 77 70 68 80 82 85 88 91 80 70 70 80 85 88 91 91 75
WIND DIR E E E E E E SE SE SE SE SE SE SE SE E E E E E E E
WIND SPD 16 13 11 10 10 10 10 11 16 16 13 13 16 17 14 14 16 17 17 16 13
CLOUDS SC FW CL SC SC SC FW SC B2 B2 B1 B1 SC SC SC SC SC SC SC SC B2
POP 12HR 30 50 50 50 50
QPF 12HR 0.04 0.15 0.24 0.14 0.18
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 89 87 84 81 95101101 97 91 89 87 86 97103103 98 93 91 89 87 97
MAX HEAT 99 91 99 106 105 93 101 108 106 95 102
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 80 90 80 89 80 90
TEMP 90 83 81 86 89 83 81 86 90 83 81 86 89 83 81 86 90 83
DEWPT 77 77 77 77 76 76 76 76 76 76 76 77 76 76 77 77 74 76
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 B1 SC B1 SC B1 B1 B1 B1 SC FW SC SC FW FW SC
POP 12HR 50 50 40 50 50 30 20 10 30
RAIN SHWRS SC SC SC SC IS SC IS SC SC SC SC SC IS IS IS IS IS IS
TSTMS IS IS
PRZ013-090800-
VIEQUES-
INCLUDING THE CITY OF VIEQUES
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 78 85 89 91 76 79 82 86 89 92 76 79 82
TEMP 81 80 79 78 84 88 89 84 82 81 80 79 85 88 89 85 82 81 80 79 85
DEWPT 74 74 74 74 75 76 75 76 75 76 75 76 77 77 76 77 76 77 76 76 76
RH 79 82 85 88 74 68 64 77 79 85 85 91 77 70 66 77 82 88 88 91 75
WIND DIR E E E E E SE SE SE SE SE SE SE SE SE E E E E E E E
WIND SPD 16 13 9 10 8 9 9 10 16 16 12 12 14 16 14 14 16 17 17 16 13
CLOUDS SC SC CL SC SC SC FW SC B2 B2 B2 B2 SC SC SC SC SC SC SC SC B2
POP 12HR 20 50 50 50 50
QPF 12HR 0.03 0.14 0.24 0.14 0.18
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 86 83 80 93 99 98 93 88 86 82 80 95100100 95 89 87 83 80 95
MAX HEAT 96 89 96 103 101 92 99 105 103 93 99
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 79 89 79 89 79 89 79 89
TEMP 89 82 80 85 89 82 80 85 89 82 79 85 89 82 79 85 89 82
DEWPT 75 75 76 76 74 75 75 75 75 75 75 76 75 75 75 76 72 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 B1 SC B1 SC B1 B1 SC SC SC FW SC SC SC FW SC
POP 12HR 50 50 40 50 50 30 20 20 30
RAIN SHWRS SC SC SC SC IS SC SC SC SC SC SC IS IS IS IS IS IS IS
TSTMS IS IS
VIZ001-090800-
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
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 85 88 93 72 79 83 86 89 93 73 79 82
TEMP 81 80 79 78 84 88 88 84 82 81 80 79 84 88 89 85 82 81 80 79 84
DEWPT 74 76 76 76 76 77 76 76 76 77 77 76 77 77 77 78 77 77 77 77 77
RH 79 88 91 94 77 70 68 77 82 88 91 91 80 70 68 80 85 88 91 94 80
WIND DIR E E E E E SE SE SE SE SE E SE SE SE E E E E E E E
WIND SPD 16 13 12 10 10 8 11 13 16 16 16 17 17 17 14 16 17 18 18 14 14
CLOUDS SC SC FW SC B1 SC SC SC B2 B2 B1 B1 SC SC SC SC SC SC SC SC B1
POP 12HR 40 50 50 50 50
QPF 12HR 0.04 0.15-0.21 0.23 0.14 0.18
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS SC IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC SC
TSTMS IS IS IS IS IS IS IS IS
HEAT INDEX 87 84 81 80 93 99 99 94 89 87 84 82 95100100 96 90 88 85 83 93
MAX HEAT 98 93 100 106 105 96 102 107 106 95 102
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 79 87 79 87 79 87 79 87
TEMP 87 82 79 84 87 82 79 84 87 81 79 84 87 82 79 84 87 81
DEWPT 76 76 76 76 75 75 76 75 75 75 76 76 75 75 76 77 74 75
PWIND DIR E E E E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN BZ
AVG CLOUDS B1 SC B2 B1 SC SC SC SC SC SC SC FW FW SC FW FW FW SC
POP 12HR 50 50 20 40 40 10 20 5 10
RAIN SHWRS SC SC SC SC IS IS IS IS IS IS IS IS IS IS IS IS IS IS
VIZ002-090800-
ST CROIX-
INCLUDING THE CITIES OF CHRISTIANSTED, FREDERIKSTED,
FREDERIKSTED SOUTHEAST, AND GROVE PLACE
502 PM AST MON SEP 8 2025
DATE 09/08/25 TUE 09/09/25 WED 09/10/25 THU
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 78 85 89 93 79 86 89 93 80
TEMP 81 80 79 78 84 88 89 85 82 81 80 79 85 88 89 85 82 81 80 80 85
DEWPT 74 75 75 75 76 76 76 77 76 76 76 76 77 77 77 78 77 77 77 76 77
RH 79 85 88 91 77 68 66 77 82 85 88 91 77 70 68 80 85 88 91 88 77
WIND DIR E E E E E SE SE SE SE E E E E E E E E E E E E
WIND SPD 12 11 10 8 8 9 11 11 13 12 12 13 14 16 14 14 14 16 16 13 13
CLOUDS SC FW CL SC SC SC FW SC B2 B2 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 20 50 50 40 50
QPF 12HR 0.02 0.15 0.24 0.14 0.16
SNOW 12HR MM MM MM
RAIN SHWRS IS IS IS IS IS IS IS SC SC SC SC SC SC SC SC SC SC SC SC IS
TSTMS IS IS IS IS IS IS
HEAT INDEX 87 84 82 93 99 99 95 89 87 84 83 96101102 97 91 88 86 83 95
MAX HEAT 98 90 98 107 106 92 102 109 107 95 100
DATE 09/11 FRI 09/12/25 SAT 09/13/25 SUN 09/14/25 MON 09/15/25
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 79 89 79 89 79 89 79 89
TEMP 89 82 80 85 89 82 80 85 89 82 80 85 89 82 80 85 89 82
DEWPT 77 76 76 76 76 75 76 76 76 75 76 76 76 76 76 77 75 73
PWIND DIR E E E E 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 FW SC SC SC FW SC
POP 12HR 50 50 20 40 40 5 20 20 20
RAIN SHWRS IS SC SC SC IS IS IS IS SC IS IS IS IS IS IS IS IS
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