Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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652 FOCA52 TJSJ 101832 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 232 PM AST Sun May 10 2026 PRZ001-110800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 232 PM AST Sun May 10 2026 Date 05/10/26 Mon 05/11/26 Tue 05/12/26 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 90 76 91 76 Temp 86 81 78 76 78 84 88 90 86 81 78 76 78 85 89 91 87 81 78 76 78 85 Dewpt 71 72 72 72 71 71 72 71 72 72 72 72 72 72 72 71 72 72 72 72 72 72 RH 61 74 82 87 79 65 59 54 63 74 82 87 82 65 57 52 61 74 82 87 82 65 Wind dir E E E E E E E E E E E E E E E E E E E SE SE E Wind spd 14 11 11 10 10 13 16 17 14 10 10 11 11 11 14 16 14 10 9 9 6 9 Clouds B1 B1 SC SC B1 B2 B2 SC B1 SC SC B2 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 50 50 40 30 QPF 12hr 0.19 0.15 0.22 0.08 0.09 Rain shwrs C C S C C C C C C S C C C C C S S C C S S C Heat index 92 85 89 95 96 92 85 91 97 98 93 86 91 Max heat 96 83 89 97 96 83 91 98 97 84 91 Date 05/13 Thu 05/14/26 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 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 76 92 77 92 77 93 77 91 Temp 91 81 76 85 92 82 77 86 92 82 77 86 93 82 77 85 91 82 Dewpt 71 72 73 72 72 73 73 72 71 72 73 72 72 73 73 72 70 72 PWind dir E SE E SE SE SE E E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC B1 PoP 12hr 30 20 30 30 20 20 20 30 40 Rain shwrs C S S S S C C C S S S S S S S C C C $$ PRZ002-110800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 232 PM AST Sun May 10 2026 Date 05/10/26 Mon 05/11/26 Tue 05/12/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 87 76 87 77 Temp 84 80 79 77 78 83 86 87 84 80 78 76 77 82 86 87 84 80 79 77 78 83 Dewpt 73 73 73 73 72 73 74 74 74 74 74 73 73 74 74 74 74 74 73 73 73 74 RH 70 79 82 87 82 72 68 65 72 82 88 90 87 77 68 65 72 82 82 87 85 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 14 13 13 12 12 14 13 13 13 11 12 16 13 13 14 12 12 12 12 12 11 12 Clouds B1 B1 SC SC B1 B2 B2 B2 B1 SC SC B2 B2 B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 50 50 40 30 QPF 12hr 0.20 0.18 0.22 0.10 0.11 Rain shwrs C C C C C C C C C S C C C C C S S C C C C C Heat index 91 85 89 94 95 91 84 89 94 95 91 85 89 Max heat 94 84 89 95 95 89 95 95 84 89 Date 05/13 Thu 05/14/26 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 77 87 77 88 78 87 77 87 Temp 87 80 77 83 87 80 77 83 88 81 78 83 87 80 77 83 87 80 Dewpt 75 74 74 75 75 75 74 74 74 74 74 75 75 75 74 75 71 72 PWind dir SE E SE E SE E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC SC B2 B1 SC SC SC SC FW SC SC SC SC SC SC SC SC B1 PoP 12hr 50 50 30 30 20 20 20 30 50 Rain shwrs C C C C C C C C S S S S S S S C C C $$ PRZ007-110800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 232 PM AST Sun May 10 2026 Date 05/10/26 Mon 05/11/26 Tue 05/12/26 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 74 89 74 88 75 Temp 85 79 76 74 76 83 87 89 85 79 76 74 76 82 86 88 84 79 77 75 77 83 Dewpt 74 73 72 71 71 73 74 74 74 74 73 72 72 74 75 75 74 74 73 72 72 74 RH 70 82 87 90 85 72 65 61 70 85 90 93 87 77 70 66 72 85 87 90 85 74 Wind dir E E NE NE NE E SE SE SE E NE NE E E E SE SE E E E E E Wind spd 16 9 6 5 6 9 16 16 14 8 5 5 5 9 13 12 11 9 8 6 6 9 Wind gust 27 27 26 25 Clouds SC SC CL CL SC SC SC SC FW FW SC SC SC SC SC CL CL CL CL SC SC CL PoP 12hr 30 30 20 20 20 QPF 12hr 0.04 0.05 0.08 0.02 0.05 Rain shwrs S S S C C S S S S S S S S S Heat index 92 83 89 96 98 92 83 88 96 98 92 83 90 Max heat 97 89 98 97 88 98 97 90 Date 05/13 Thu 05/14/26 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 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 75 88 75 89 75 89 75 89 Temp 89 80 75 83 88 79 75 83 89 80 75 83 89 80 75 83 89 80 Dewpt 75 75 73 75 76 75 74 75 75 75 72 75 76 75 73 69 68 68 PWind dir SE E SE E SE E SE E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW FW CL FW FW SC SC FW FW FW FW FW FW SC FW FW SC SC PoP 12hr 5 5 10 10 5 5 30 10 20 Rain shwrs S S S S S S S C C S S S $$ PRZ008-110800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 232 PM AST Sun May 10 2026 Date 05/10/26 Mon 05/11/26 Tue 05/12/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 74 87 74 86 74 Temp 83 78 76 74 76 82 86 87 83 78 76 74 75 81 85 86 83 78 76 74 76 82 Dewpt 75 75 73 71 70 72 73 75 75 76 73 72 70 73 73 75 75 76 74 72 70 72 RH 77 91 90 90 82 72 65 68 77 94 90 93 84 77 67 70 77 94 94 93 82 72 Wind dir E E E E E E E E E E E E E E E NE E E E E E E Wind spd 12 14 14 13 14 16 14 16 14 18 9 10 8 9 9 11 11 6 4 9 5 4 Clouds B1 SC SC CL CL CL CL SC B1 FW FW FW CL CL CL B2 B2 SC SC CL CL CL PoP 12hr 10 40 0 50 20 QPF 12hr 0.01 0.14 0.01 0.40 0.01 Rain shwrs C S S S C C C S S Heat index 91 86 93 96 91 86 91 95 90 86 Max heat 96 86 96 96 86 95 94 86 Date 05/13 Thu 05/14/26 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 74 88 75 88 75 87 75 87 Temp 87 78 74 82 88 79 75 83 88 79 75 82 87 79 75 82 87 79 Dewpt 75 76 72 73 75 77 72 73 75 77 72 73 75 77 72 73 71 73 PWind dir NE E E E NE E E E E Wind char LT LT LT LT LT LT GN BZ BZ Avg clouds SC B1 SC FW SC B1 SC FW FW SC SC FW FW SC FW SC SC SC PoP 12hr 50 10 50 5 40 10 40 5 40 Rain shwrs C C S S C C S S C C S S C C S S C C $$ PRZ010-110800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 232 PM AST Sun May 10 2026 Date 05/10/26 Mon 05/11/26 Tue 05/12/26 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 72 92 73 91 73 Temp 86 79 75 73 74 84 90 92 87 79 76 74 75 84 89 91 86 79 76 74 75 84 Dewpt 75 74 72 71 70 72 74 75 75 74 73 72 71 73 75 75 75 74 73 72 71 73 RH 70 85 90 93 87 67 60 58 68 85 90 93 87 70 64 60 70 85 90 93 87 70 Wind dir NW E E E E E E NW W NE E E E E SE NE E E E E E E Wind spd 3 4 5 5 6 5 3 8 6 2 4 3 3 5 5 8 5 9 9 6 6 6 Clouds B2 FW CL CL CL CL CL B2 B2 FW SC FW FW CL CL B1 B1 SC SC CL CL CL PoP 12hr 5 50 5 40 10 QPF 12hr 0 0.24 0.01 0.15 0.01 Rain shwrs L C C S C C S S Heat index 96 89 99103 96 83 90 99102 95 83 91 Max heat 102 89 103 102 90 102 101 91 Date 05/13 Thu 05/14/26 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 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 73 93 74 93 73 93 73 92 Temp 92 79 74 85 93 80 75 85 93 80 74 85 93 80 74 84 92 79 Dewpt 75 74 72 74 76 75 72 73 76 75 72 73 77 75 73 73 71 72 PWind dir E E SE SE E E NE E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC SC FW SC SC FW FW FW SC SC FW SC B1 SC FW SC SC PoP 12hr 40 5 40 5 30 5 50 5 50 Rain shwrs C C S S C C C C S S C C S S C C Tstms S S S S $$ VIZ001-110800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 232 PM AST Sun May 10 2026 Date 05/10/26 Mon 05/11/26 Tue 05/12/26 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 87 78 87 79 Temp 85 82 80 79 80 84 86 87 84 81 79 78 79 83 86 87 85 82 80 79 80 84 Dewpt 74 74 74 74 74 74 74 75 75 75 75 75 75 74 74 74 74 74 75 75 75 75 RH 70 77 82 85 82 72 68 68 74 82 88 91 88 74 68 65 70 77 85 88 85 74 Wind dir E E E E E E E E E E E E E E E E E E E E E E Wind spd 19 19 19 19 19 18 18 18 18 18 20 20 18 18 17 14 17 18 19 18 19 17 Clouds SC SC SC SC B1 SC SC SC SC SC SC B2 B2 SC SC SC SC SC SC SC SC SC PoP 12hr 40 30 50 30 30 QPF 12hr 0.16 0.08 0.22 0.08 0.09 Rain shwrs S C C S C S C S S S C C C C C S S S S C C S Heat index 92 88 85 83 84 91 94 96 93 87 84 83 90 94 95 92 88 85 83 85 92 Max heat 95 87 91 96 96 86 90 95 95 87 92 Date 05/13 Thu 05/14/26 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 80 88 80 88 79 88 80 87 Temp 88 83 80 85 88 83 80 85 88 82 79 84 88 83 80 84 87 82 Dewpt 75 75 75 75 76 75 75 75 75 75 75 75 75 75 75 75 72 71 PWind dir E E SE E SE E E E E Wind char BZ BZ BZ BZ BZ GN BZ BZ BZ Avg clouds SC SC SC SC SC SC SC SC FW SC SC SC SC SC SC SC SC B1 PoP 12hr 10 30 30 30 20 30 30 30 50 Rain shwrs S S S C C C C C S S S C C C C C C C $$ VIZ002-110800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 232 PM AST Sun May 10 2026 Date 05/10/26 Mon 05/11/26 Tue 05/12/26 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 88 75 88 76 Temp 84 79 77 75 77 83 87 88 84 79 77 75 77 83 87 88 85 80 78 76 77 83 Dewpt 73 73 73 73 73 74 75 74 74 73 74 73 73 74 75 74 74 74 73 73 73 74 RH 70 82 87 94 87 74 68 63 72 82 90 94 87 74 68 63 70 82 85 90 87 74 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 18 17 18 18 18 17 18 17 17 16 16 17 14 16 16 16 14 14 16 14 13 16 Clouds SC SC SC SC SC B2 B2 SC SC SC SC B2 B2 SC SC SC SC SC SC SC SC FW PoP 12hr 50 50 50 30 20 QPF 12hr 0.15 0.10 0.19 0.07 0.06 Rain shwrs S S C S C C C S S S S C C C C S S S S S S Heat index 91 83 89 96 97 92 83 89 96 97 92 85 90 Max heat 96 89 97 97 89 97 96 83 90 Date 05/13 Thu 05/14/26 Fri 05/15/26 Sat 05/16/26 Sun 05/17/26 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 76 88 76 89 76 89 76 88 Temp 88 80 76 83 88 80 76 84 89 80 76 84 89 80 76 83 88 80 Dewpt 75 74 74 75 76 75 73 74 75 74 74 75 75 75 74 74 71 71 PWind dir E E E E E E E E E Wind char BZ BZ BZ GN BZ GN BZ GN BZ Avg clouds FW SC FW SC SC SC SC SC FW SC SC SC SC SC SC SC SC B1 PoP 12hr 10 20 30 30 20 30 30 30 50 Rain shwrs S S S S C C C S S S C C C C C C C $$