680
FOCA52 TJSJ 231832
PFMSJU
POINT FORECAST MATRICES
NATIONAL WEATHER SERVICE SAN JUAN PR
232 PM AST SUN AUG 23 2026
PRZ001-240800-
LUIS MUNOZ MARIN INTERNATIONAL AIRPORT-SAN JUAN
18.43N 66.00W ELEV. 9 FT
232 PM AST SUN AUG 23 2026
DATE 08/23/26 MON 08/24/26 TUE 08/25/26 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 94 81 94 81
TEMP 89 85 83 82 82 89 93 94 90 85 83 82 82 89 93 94 90 85 83 82 82 88
DEWPT 76 77 77 76 76 76 76 76 76 77 77 76 76 76 76 77 76 77 77 76 76 76
RH 66 77 82 82 82 66 58 56 64 77 82 82 82 66 58 58 64 77 82 82 82 68
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 10 10 9 9 11 13 17 13 11 10 9 8 9 13 17 13 9 10 11 10 10
CLOUDS SC CL FW SC SC SC SC SC SC CL CL SC SC SC SC SC SC SC SC SC SC SC
POP 12HR 40 30 30 50 40
QPF 12HR 0.06 0.06 0.03 0.48 0.07
RAIN SHWRS C S C C C C S S S S C C C C C C S S C
HEAT INDEX 101 95 92 89 90101105107102 96 93 89 90101106108102 96 93 89 90100
MAX HEAT 105 94 101 107 106 95 101 108 107 95 100
DATE 08/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26 SUN 08/30/26
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 81 93 80 93 81 92 81 92
TEMP 93 85 82 88 93 84 81 88 93 85 82 88 92 85 82 88 92 85
DEWPT 76 76 76 75 76 76 75 75 76 76 76 76 76 77 76 76 70 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 B1 SC B1 B2 B1 SC SC SC SC
POP 12HR 40 40 30 30 50 50 50 30 30
RAIN SHWRS C C C C C C C C C C C C C C S C C S
TSTMS S S
PRZ002-240800-
ROOSEVELT ROADS NAVAL AIRSTATION-CEIBA PR
18.25N 65.63W ELEV. 39 FT
232 PM AST SUN AUG 23 2026
DATE 08/23/26 MON 08/24/26 TUE 08/25/26 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 91 82 91 82
TEMP 88 85 84 83 83 88 90 91 88 85 84 83 83 88 90 91 88 85 84 83 83 88
DEWPT 77 77 77 76 76 77 77 77 77 77 77 76 76 76 77 77 77 77 77 77 77 77
RH 70 77 80 80 80 70 66 64 70 77 80 80 80 68 66 64 70 77 80 82 82 70
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 11 12 11 11 13 13 13 11 10 11 10 10 11 13 12 12 11 13 12 12 10
CLOUDS SC CL SC SC SC SC SC SC SC CL FW SC SC SC SC SC SC B2 B2 SC SC B1
POP 12HR 40 30 40 60 60
QPF 12HR 0.07 0.07 0.07 0.48 0.08
RAIN SHWRS C S C C C C S S S C C C C C C L L C C C
TSTMS S S
HEAT INDEX 101 96 93 90 91 99103104100 95 93 90 91 99103104101 96 93 91 92 99
MAX HEAT 103 95 99 104 103 94 99 104 104 95 99
DATE 08/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26 SUN 08/30/26
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 82 90 82 90 82 90 82 90
TEMP 91 85 83 87 90 85 82 87 90 85 82 87 90 85 82 87 90 85
DEWPT 77 77 76 76 76 76 75 76 76 77 76 76 77 77 76 76 73 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 B1 B2 B2 B1 B1 B1 B1 B1 SC
POP 12HR 40 40 30 30 50 50 50 40 40
RAIN SHWRS C C C C C C C C C C C C C C C C C C
TSTMS S S S
PRZ007-240800-
MERCEDITA AIRPORT-PONCE PR
18.02N 66.56W ELEV. 26 FT
232 PM AST SUN AUG 23 2026
DATE 08/23/26 MON 08/24/26 TUE 08/25/26 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 91 79
TEMP 88 83 81 80 80 87 91 92 88 83 81 80 80 86 90 91 87 83 81 80 80 88
DEWPT 74 75 73 73 72 70 73 73 73 74 73 72 71 71 71 74 74 75 74 74 72 71
RH 63 77 77 79 77 57 56 54 61 74 77 77 74 61 54 58 65 77 79 82 77 57
WIND DIR SE E E E NE E SE SE SE E NE NE NE E SE SE E E E E E E
WIND SPD 14 10 6 6 6 10 14 13 13 9 5 4 4 5 13 12 11 8 6 8 8 9
WIND GUST 25 25 24 24
CLOUDS SC FW CL CL CL CL CL CL SC CL CL CL CL FW FW SC SC FW FW FW FW CL
POP 12HR 10 10 10 30 10
QPF 12HR 0.01 0.03 0 0.19 0.02
RAIN SHWRS S S S S S C C S S S S
HEAT INDEX 97 91 87 84 84 92 99101 96 90 87 83 84 92 97100 96 90 87 84 85 94
MAX HEAT 101 89 92 101 100 88 92 100 100 89 94
DATE 08/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26 SUN 08/30/26
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 79 92 78 91 78 91 78 91
TEMP 93 84 80 87 92 83 79 86 91 82 79 86 91 82 79 86 91 82
DEWPT 71 71 71 72 70 71 70 69 73 73 74 72 72 74 73 72 70 72
PWIND DIR E NE E NE E E E E E
WIND CHAR GN LT GN LT GN LT GN LT GN
AVG CLOUDS FW FW CL CL FW SC FW FW FW SC SC SC SC SC SC FW FW FW
POP 12HR 10 0 20 5 10 20 20 5 5
RAIN SHWRS S S S S S S S S S S S S S S
PRZ008-240800-
RAFAEL HERNANDEZ AIRPORT-AGUADILLA PR
18.50N 67.13W ELEV. 237 FT
232 PM AST SUN AUG 23 2026
DATE 08/23/26 MON 08/24/26 TUE 08/25/26 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 78 90 78 90 77
TEMP 86 82 80 79 79 85 89 90 86 82 80 79 79 85 89 90 86 81 79 78 78 85
DEWPT 77 78 78 76 75 77 78 78 78 78 78 76 75 77 79 79 78 78 78 75 75 77
RH 75 88 94 91 88 77 70 68 77 88 94 91 88 77 73 70 77 91 97 91 91 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 13 17 11 12 11 10 5 12 13 13 12 12 11 10 5 6 8 4 6 10 9 8
CLOUDS B2 SC FW CL CL CL CL SC B2 SC CL CL CL FW FW SC SC SC SC SC SC CL
POP 12HR 30 50 40 50 30
QPF 12HR 0.02 0.29 0.03 0.76 0.05
RAIN SHWRS L C S C C C S S C C C C S S
TSTMS S
HEAT INDEX 98 91 88 83 96104105 99 91 88 83 96104105 99 90 85 96
MAX HEAT 102 90 96 105 104 90 96 105 104 89 96
DATE 08/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26 SUN 08/30/26
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 89 77 89 77 89 78 89
TEMP 90 82 79 85 89 81 78 84 89 81 78 84 89 82 79 85 89 82
DEWPT 78 77 75 77 77 77 75 76 77 77 75 77 78 78 76 77 75 74
PWIND DIR E E E E E E E E E
WIND CHAR GN BZ BZ GN GN BZ GN GN GN
AVG CLOUDS FW SC FW FW FW SC FW FW FW SC FW FW SC SC FW FW FW SC
POP 12HR 10 5 20 0 30 10 40 0 20
RAIN SHWRS S S S S S S S C C S S
PRZ010-240800-
EUGENIO MARIA DE HOSTO AIRPORT-MAYAGUEZ PR
18.27N 67.15W ELEV. 28 FT
232 PM AST SUN AUG 23 2026
DATE 08/23/26 MON 08/24/26 TUE 08/25/26 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 94 76 94 76
TEMP 89 83 80 78 79 88 93 94 88 82 79 77 78 87 93 94 88 82 79 77 78 87
DEWPT 79 78 77 76 75 77 78 79 79 78 77 75 75 77 79 79 79 78 77 75 75 77
RH 73 85 91 94 88 70 62 62 75 88 94 94 91 72 64 62 75 88 94 94 91 72
WIND DIR E E E E NE E E W S E E E E E E E E E E E E E
WIND SPD 6 3 5 5 4 3 2 6 4 4 5 6 4 3 3 3 8 3 5 4 3 4
CLOUDS B2 SC FW CL CL CL CL B1 OV SC CL CL CL CL CL B2 B2 SC SC FW FW CL
POP 12HR 20 70 20 70 30
QPF 12HR 0.02 0.37 0.01 0.80 0.04
RAIN SHWRS L S S C L S L L C C S S
TSTMS S S S S S
HEAT INDEX 103 92 87 100109110104 91 84 99110112104 91 84 98
MAX HEAT 110 90 100 110 110 89 99 112 111 89 98
DATE 08/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26 SUN 08/30/26
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 94 76 94 76 94 77 94 77 94
TEMP 94 82 77 87 94 82 77 87 94 83 78 88 94 83 78 88 94 83
DEWPT 79 77 75 76 79 77 74 76 79 77 75 77 80 78 75 77 75 73
PWIND DIR NE NE E E E E E E E
WIND CHAR LT GN LT LT LT LT LT LT LT
AVG CLOUDS SC B1 SC FW SC B1 SC FW SC SC CL CL SC B1 FW FW SC SC
POP 12HR 60 10 60 5 60 0 60 5 50
RAIN SHWRS L L S S L L S S C C L L C C
TSTMS S S S S S S S S
VIZ001-240800-
CYRIL E. KING AIRPORT-ST THOMAS USVI
18.33N 64.97W ELEV. 23 FT
232 PM AST SUN AUG 23 2026
DATE 08/23/26 MON 08/24/26 TUE 08/25/26 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 83 93 82 93 83
TEMP 88 85 84 83 84 89 92 93 90 86 84 83 83 89 92 93 90 86 85 84 84 88
DEWPT 72 73 73 73 72 74 73 72 73 72 73 73 72 73 73 73 73 73 73 73 73 72
RH 59 67 70 72 67 61 54 51 58 63 70 72 70 59 54 52 58 65 67 70 70 59
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 18 19 18 18 16 17 16 14 16 18 17 16 17 17 17 17 18 19 19 17 13
CLOUDS SC FW SC SC SC SC SC FW FW FW SC SC SC SC SC SC SC B2 B2 B2 B2 FW
POP 12HR 40 40 40 60 60
QPF 12HR 0.07 0.05 0.09 0.21 0.05
RAIN SHWRS C S C S C C C S C C C C C C C L L L L
TSTMS S S S S
HEAT INDEX 95 92 90 89 90 98101101 98 92 91 88 88 97101102 98 93 92 90 90 95
MAX HEAT 97 92 98 101 101 91 97 102 101 92 95
DATE 08/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26 SUN 08/30/26
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 83 90 83 93 83 91 83 90
TEMP 91 86 83 87 90 85 83 89 93 86 84 88 91 86 83 87 90 85
DEWPT 72 73 71 72 71 72 72 72 72 72 73 73 72 72 73 73 72 76
PWIND DIR E E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ BZ GN
AVG CLOUDS FW SC SC SC SC FW CL FW SC SC B1 B1 B1 SC SC SC SC FW
POP 12HR 30 30 10 10 40 40 40 20 20
RAIN SHWRS S C C C S S S S C C C C S S S S S
VIZ002-240800-
HENRY E. ROHLSEN AIRPORT-ST CROIX USVI
17.70N 64.80W ELEV. 74 FT
232 PM AST SUN AUG 23 2026
DATE 08/23/26 MON 08/24/26 TUE 08/25/26 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 91 81
TEMP 88 84 83 82 82 87 90 91 88 84 83 82 82 87 90 91 88 84 83 82 82 87
DEWPT 77 77 77 77 76 77 77 77 77 77 77 77 76 77 77 77 77 77 77 77 77 77
RH 70 80 82 85 82 72 66 64 70 80 82 85 82 72 66 64 70 80 82 85 85 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 14 14 14 17 14 16 14 16 14 12 16 16 17 17 14 17 17 14 16
CLOUDS SC SC SC SC SC FW CL FW FW CL SC FW FW SC SC SC SC B2 B2 SC SC SC
POP 12HR 30 10 40 60 60
QPF 12HR 0.04 0.02 0.04 0.06 0.06
RAIN SHWRS S S C S S S C S S C C C C L L C C S
TSTMS S S
HEAT INDEX 99 94 92 89 90 99103104 99 94 92 89 90 99103104100 95 92 89 90 98
MAX HEAT 103 93 99 104 103 93 99 104 103 94 98
DATE 08/26 THU 08/27/26 FRI 08/28/26 SAT 08/29/26 SUN 08/30/26
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 81 91 81 91 81 91 81 91
TEMP 91 84 82 87 91 84 82 87 91 84 82 87 91 84 82 87 91 84
DEWPT 76 77 76 76 76 76 75 76 77 77 77 77 77 77 77 77 72 75
PWIND DIR E E E E E E E E E
WIND CHAR BZ BZ BZ BZ BZ BZ BZ GN GN
AVG CLOUDS SC SC SC SC SC SC SC SC SC B1 B2 B1 SC SC SC SC SC FW
POP 12HR 30 30 10 10 50 50 30 10 10
RAIN SHWRS S C C C S S S S C C C C C C S S S S
TSTMS S S S
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page