981
FOCA52 TJSJ 201832
PFMSJU
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
232 PM AST SUN SEP 20 2026
PRZ001-210800-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N 66.00W ELEV. 9 FT
232 PM AST SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED
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 92 79 92 79
TEMP 86 83 81 80 79 87 91 92 86 83 81 80 79 87 91 92 86 83 81 80 79 86
DEWPT 75 75 75 75 74 75 75 75 75 75 76 75 75 75 75 76 75 75 76 75 75 75
RH 70 77 82 85 85 68 60 58 70 77 85 85 88 68 60 60 70 77 85 85 88 70
WIND DIR E SE SE SE SE SE E E E E SE SE SE SE E E E E E E E E
WIND SPD 11 8 6 5 3 5 11 16 12 8 6 6 5 6 12 16 13 10 9 8 6 8
CLOUDS B1 SC SC SC B1 B1 SC B1 B2 B1 SC B2 SC B1 B1 B2 B2 B1 B1 B2 B2 B1
POP 12HR 40 50 50 50 50
QPF 12HR 0.21 0.31 0.15 0.47 0.26
RAIN SHWRS C S S C C C S C C C S C S C C C C C C C C C
TSTMS S S S S S
HEAT INDEX 95 90 87 84 83 96102103 96 90 88 84 84 96102104 96 90 88 84 84 95
MAX HEAT 101 88 96 103 103 89 96 105 103 89 95
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 79 92 79 92 80 92 79 92
TEMP 91 83 80 87 92 83 80 87 92 84 81 87 92 83 80 87 92 83
DEWPT 76 76 75 76 76 76 75 76 75 75 75 75 75 76 75 75 73 76
PWIND DIR E SE E SE E E E SE E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS B1 SC SC SC B1 B1 SC B1 B1 B1 SC SC SC SC SC SC B1 SC
POP 12HR 40 30 40 40 50 20 30 40 40
RAIN SHWRS C S S C C C C C C C S S C C S C C S
TSTMS S S S S S
PRZ002-210800-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N 65.63W ELEV. 39 FT
232 PM AST SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED
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 90 81 90 81
TEMP 86 83 82 81 81 86 89 90 86 84 82 81 81 86 89 90 86 84 82 81 81 86
DEWPT 75 74 75 75 75 75 76 75 75 75 75 75 75 75 76 75 75 75 75 75 75 76
RH 70 74 79 82 82 70 66 62 70 74 79 82 82 70 66 62 70 74 79 82 82 72
WIND DIR SE SE SE SE SE SE SE SE SE SE E E E E E E E E E E E E
WIND SPD 6 5 5 6 5 6 10 9 9 8 8 6 8 10 11 10 10 10 11 8 9 10
CLOUDS B1 SC SC SC B2 B2 SC B1 B1 B2 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2
POP 12HR 50 50 60 50 50
QPF 12HR 0.19 0.21 0.24 0.35 0.32
RAIN SHWRS C C C C C C C C C C C L C C C C C C C C C C
TSTMS S S S S S S S S
HEAT INDEX 94 90 89 88 87 95101100 95 91 89 88 87 95101100 95 91 89 88 87 96
MAX HEAT 99 90 95 102 101 91 95 101 100 91 96
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 81 90 81 91 82 91 81 90
TEMP 90 84 81 86 90 84 81 87 91 85 82 87 91 84 82 86 90 84
DEWPT 76 76 75 76 76 76 76 76 76 75 75 76 76 75 76 76 75 76
PWIND DIR E E SE E E E E E E
WIND CHAR GN GN GN GN GN GN GN GN GN
AVG CLOUDS B1 SC SC B1 B1 B1 B2 B2 B2 B1 SC SC SC SC SC SC B1 B1
POP 12HR 50 40 50 50 50 30 30 50 50
RAIN SHWRS C C C C C C C C C C S C C S S C C C
TSTMS S S S S S S S
PRZ007-210800-
MERCEDITA AIRPORT-PONCE PR
18.02N 66.56W ELEV. 26 FT
232 PM AST SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED
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 77 90 77 90 76
TEMP 84 81 79 78 77 85 89 90 84 81 79 78 77 85 89 90 84 80 78 77 76 84
DEWPT 77 76 75 74 73 76 78 77 77 76 75 74 73 76 78 78 78 76 75 73 72 75
RH 80 85 88 88 87 75 70 66 80 85 88 88 87 75 70 68 82 88 91 87 87 74
WIND DIR SE E NE NE NE E SE SE SE E NE NE NE E SE SE E E E NE NE E
WIND SPD 6 4 5 4 4 5 11 11 8 6 5 5 4 5 12 10 6 6 5 5 4 4
CLOUDS SC FW FW FW SC SC SC FW SC CL FW B1 SC SC SC SC SC SC SC SC SC SC
POP 12HR 10 20 40 30 20
QPF 12HR 0.04 0.15 0.10 0.25 0.08
RAIN SHWRS S S S S S S C C S S C C S S S S S
HEAT INDEX 94 87 94103103 95 87 83 94103104 95 86 92
MAX HEAT 101 85 94 104 103 86 94 105 103 84 92
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 77 90 77 91 77 91 77 91
TEMP 90 81 78 85 90 81 78 85 91 81 78 85 91 81 78 85 91 81
DEWPT 78 76 74 76 77 76 74 76 77 76 74 75 77 74 72 72 74 75
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 SC SC SC SC SC SC B1 SC SC SC SC SC SC SC SC SC
POP 12HR 20 20 30 30 40 10 40 20 20
RAIN SHWRS S S S S S C C C C C S S C C S S S S
TSTMS S S
PRZ008-210800-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N 67.13W ELEV. 237 FT
232 PM AST SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED
AST 3HRLY 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08
UTC 3HRLY 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12
MIN/MAX 76 88 77 88 77
TEMP 82 79 78 77 76 83 87 88 83 80 79 78 77 83 87 88 83 80 79 78 77 83
DEWPT 76 77 76 75 74 76 76 76 77 77 76 75 74 77 77 77 77 77 76 75 74 76
RH 82 94 94 94 94 80 70 68 82 91 91 91 90 82 72 70 82 91 91 91 90 80
WIND DIR NE E E SE E E E NE NE E SE E E E E NE E E E E E E
WIND SPD 2 4 2 5 3 5 6 8 5 4 2 3 3 5 4 6 6 9 5 8 10 9
CLOUDS OV OV B2 FW FW FW FW B1 B2 OV SC CL CL FW FW SC SC SC SC FW FW SC
POP 12HR 70 70 70 30 30
QPF 12HR 0.28 0.64 0.07 0.31 0.10
RAIN SHWRS D L C C L L S C C C C S
TSTMS S S S S S
HEAT INDEX 90 84 91 97 99 93 87 93 99100 93 87 92
MAX HEAT 98 91 100 99 85 93 100 99 85 92
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 88 76 88 76 88 76 88
TEMP 88 80 78 83 88 80 77 83 88 80 77 83 88 80 77 83 88 80
DEWPT 77 77 75 77 77 77 75 77 77 77 75 76 77 77 75 76 74 76
PWIND DIR E E NE E NE E E E E
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC SC SC FW SC B1 SC FW SC B1 SC SC SC B1 SC SC SC SC
POP 12HR 20 10 60 10 60 20 40 20 20
RAIN SHWRS S S S S L L S S L L S S C C S S S S
TSTMS S S S S
PRZ010-210800-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N 67.15W ELEV. 28 FT
232 PM AST SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED
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 75 92 75 92 75
TEMP 84 80 78 76 76 85 90 92 85 80 78 76 76 85 90 92 85 80 78 76 76 85
DEWPT 77 77 76 75 74 76 78 78 78 77 76 75 74 76 78 78 78 77 76 75 74 76
RH 80 91 94 97 94 75 68 64 80 91 94 97 94 75 68 64 80 91 94 97 94 75
WIND DIR N NE E E NE NE S NW NE E E E E E SE NW NE E E E E E
WIND SPD 4 5 3 5 5 4 2 4 2 2 3 4 4 4 1 4 5 5 4 5 3 3
CLOUDS OV OV B2 FW FW FW FW B2 OV B2 FW CL CL FW FW OV OV B2 B2 FW FW SC
POP 12HR 80 80 50 90 60
QPF 12HR 0.23 0.88 0.05 1.31 0.24
RAIN SHWRS L D C L D C D D L L S
TSTMS S S S S S S S S S
HEAT INDEX 94 85 94105107 96 87 94105107 96 87 94
MAX HEAT 105 94 109 106 83 94 107 106 83 94
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
AST 6HRLY 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20
UTC 6HRLY 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00
MAX/MIN 92 75 92 75 92 75 92 75 92
TEMP 92 80 76 85 92 80 76 85 92 80 76 85 92 80 76 85 92 80
DEWPT 78 77 75 76 78 77 75 76 78 77 75 76 77 77 75 76 73 75
PWIND DIR NE E SE E SE E N E N
WIND CHAR LT LT LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC SC SC B2 SC FW SC B2 SC SC SC B1 SC SC SC B1
POP 12HR 50 20 70 10 70 20 60 20 50
RAIN SHWRS C C S S L L S S L L S S L L S S C C
TSTMS S S S S S S S S
VIZ001-210800-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N 64.97W ELEV. 23 FT
232 PM AST SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED
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 82 89 82 91 82
TEMP 87 84 83 82 82 86 88 89 86 84 83 82 82 87 90 91 87 85 83 82 82 86
DEWPT 75 75 76 76 75 75 75 74 75 75 76 76 76 75 75 75 75 75 77 76 76 76
RH 68 74 80 82 79 70 66 61 70 74 80 82 82 68 62 60 68 72 82 82 82 72
WIND DIR SE E E SE E E SE SE SE E E E E E E E E E E E E E
WIND SPD 9 10 10 10 9 10 12 11 11 12 13 13 13 13 13 11 12 16 14 16 14 16
CLOUDS B1 SC SC B2 B2 SC SC SC SC B1 SC B2 SC SC SC SC SC SC SC SC SC SC
POP 12HR 60 40 50 30 30
QPF 12HR 0.23 0.09 0.15 0.10 0.06
RAIN SHWRS C C C C L C S C C C S C C C C C C S S S S C
TSTMS S S
HEAT INDEX 96 93 92 90 89 95 98 98 95 92 91 90 90 97101102 97 93 93 90 90 96
MAX HEAT 100 92 95 99 99 92 97 102 101 93 96
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 82 89 82 91 82 91 82 91
TEMP 89 84 82 86 89 84 82 87 91 85 82 87 91 85 82 87 91 85
DEWPT 75 76 77 76 76 76 77 76 75 76 77 76 75 74 75 75 76 76
PWIND DIR E E E E E E E E E
WIND CHAR BZ GN GN GN GN GN GN GN GN
AVG CLOUDS SC SC SC B1 B1 B1 B2 B2 B1 SC SC SC SC SC SC SC B1 SC
POP 12HR 30 40 50 50 50 30 30 40 40
RAIN SHWRS C C C C C C C C C C C C C S S C C S
TSTMS S S S S S S
VIZ002-210800-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N 64.80W ELEV. 74 FT
232 PM AST SUN SEP 20 2026
DATE 09/20/26 MON 09/21/26 TUE 09/22/26 WED
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 91 81 88 80
TEMP 86 84 82 81 81 87 90 91 87 84 83 82 81 85 87 88 85 82 81 80 80 85
DEWPT 75 75 75 75 75 76 76 76 76 76 76 75 75 76 77 76 76 76 76 76 76 76
RH 70 74 79 82 82 70 64 62 70 77 80 79 82 75 72 68 75 82 85 88 88 75
WIND DIR SE E E E E E SE SE SE E E E E E E E E E E E E E
WIND SPD 9 8 8 8 8 10 12 11 10 9 11 11 10 12 13 12 12 13 12 12 12 14
CLOUDS SC SC SC B2 B2 B1 SC B1 B1 SC SC SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 60 40 30 30 30
QPF 12HR 0.30 0.14 0.14 0.09 0.06
RAIN SHWRS C S S L L C S C C C C C C C C C C S S S S C
TSTMS S S
HEAT INDEX 95 91 89 88 87 97102103 97 93 90 88 87 95 99 99 94 90 88 86 86 94
MAX HEAT 100 91 97 103 102 92 95 100 98 89 94
DATE 09/23 THU 09/24/26 FRI 09/25/26 SAT 09/26/26 SUN 09/27/26
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 89 81 89 81 89 81 89
TEMP 88 83 81 86 89 83 81 86 89 83 81 86 89 83 81 86 89 83
DEWPT 77 76 77 77 77 77 77 77 77 76 76 76 77 76 76 77 75 74
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 SC B1 B1 B1 B2 B1 B1 SC SC SC SC SC SC SC SC SC
POP 12HR 30 40 50 50 40 30 30 30 30
RAIN SHWRS C C C C C C C C C C C C C C C C C S
TSTMS S S S S S S
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