Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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905 FOCA52 TJSJ 122103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sat Jul 12 2025 PRZ001-130800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 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 88 76 89 77 Temp 81 79 77 78 84 87 88 85 80 78 76 78 84 88 89 86 81 79 77 79 85 Dewpt 74 74 73 73 74 73 73 74 73 73 73 72 73 73 73 73 73 73 73 73 74 RH 79 85 87 85 72 63 61 70 79 85 90 82 70 61 59 65 77 82 87 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 Wind spd 9 8 8 8 9 11 13 11 8 8 8 6 8 13 16 12 10 11 10 10 10 Clouds SC SC SC SC SC SC SC SC FW SC SC FW SC SC B2 B2 SC SC B2 B2 B2 PoP 12hr 20 20 40 50 60 QPF 12hr 0.05 0.05 0.13 0.16 0.18 Rain shwrs S S S S S S S S S C C S C C C C S S C C L Obvis H H H H H H H H Heat index 86 83 91 95 96 93 84 90 96 97 93 86 82 92 Max heat 94 85 91 96 95 83 90 97 96 85 92 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 78 88 78 91 79 91 77 91 Temp 90 82 78 84 88 81 78 86 91 83 79 86 91 82 78 85 91 82 Dewpt 75 75 75 75 76 76 76 76 76 76 75 75 75 74 74 75 75 75 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ GN GN GN GN Avg clouds B2 SC SC SC B1 B2 B2 B1 SC FW CL FW SC FW CL FW FW CL PoP 12hr 60 30 70 50 30 20 20 10 10 Rain shwrs L C C C L L C C C S S S S S S Tstms S S S S $$ PRZ002-130800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 88 78 88 78 Temp 82 80 78 79 84 87 88 86 81 80 78 79 84 87 88 86 81 80 78 79 84 Dewpt 74 74 73 73 73 73 73 73 73 73 73 72 73 73 73 73 73 73 73 73 74 RH 77 82 85 82 70 63 61 65 77 79 85 79 70 63 61 65 77 79 85 82 72 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 8 9 9 10 12 11 11 10 9 9 9 8 11 13 14 13 12 14 13 12 10 Clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 SC SC B2 B2 B2 PoP 12hr 20 20 50 50 60 QPF 12hr 0.04 0.05 0.13 0.17 0.21 Rain shwrs S S S S S S S S S C C C C C C C S S C C L Obvis H H H H H H H H Heat index 88 84 83 90 95 96 92 86 84 83 90 95 96 92 86 84 83 91 Max heat 94 86 90 96 95 85 90 96 95 85 91 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 79 88 80 89 79 89 78 88 Temp 88 82 79 84 88 83 80 85 89 82 79 85 89 82 78 84 88 81 Dewpt 75 75 75 75 76 76 76 76 76 76 75 75 75 74 74 75 75 75 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ GN GN GN GN Avg clouds B2 SC SC SC B1 OV OV B2 SC FW CL FW SC FW CL FW FW CL PoP 12hr 60 30 70 70 40 20 20 10 10 Rain shwrs L C C C L L L L C S S S S S S Tstms S S S S $$ PRZ007-130800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 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 90 75 90 75 Temp 80 78 76 77 84 89 90 86 80 78 76 77 84 89 90 86 80 78 76 77 85 Dewpt 73 71 71 70 71 73 74 75 73 71 71 70 72 74 74 75 73 71 71 70 72 RH 79 79 85 79 65 59 60 70 79 79 85 79 67 61 60 70 79 79 85 79 65 Wind dir E NE NE NE E SE SE SE E NE NE NE E SE SE E E E E E E Wind spd 9 5 5 5 5 13 17 12 8 5 4 4 5 14 13 12 10 6 8 9 9 Wind gust 28 25 24 Clouds CL CL CL CL CL FW SC SC CL CL CL CL FW FW SC SC FW FW SC SC SC PoP 12hr 0 30 20 20 30 QPF 12hr 0 0.07 0.01 0.05 0.05 Rain shwrs S S C S S S S S S C Obvis H H H H H H H Heat index 85 89 97 99 95 84 90 98 99 95 84 90 Max heat 96 83 89 100 99 83 90 99 99 83 90 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 76 91 77 91 77 93 75 90 Temp 91 81 77 85 91 82 78 85 91 82 78 87 93 81 76 84 90 80 Dewpt 75 73 72 73 77 75 73 75 77 74 72 73 76 74 71 69 71 72 PWind dir E E E E E E E E E Wind char GN LT GN GN BZ LT GN LT GN Avg clouds B1 B1 B1 SC SC SC SC SC FW SC CL CL FW SC CL CL FW FW PoP 12hr 40 40 30 20 20 0 30 0 10 Rain shwrs C C C C C C S S S S C C S S Tstms S S S $$ PRZ008-130800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 87 75 87 75 Temp 79 77 75 77 82 86 87 84 79 77 75 77 82 86 87 84 79 77 75 77 82 Dewpt 74 74 74 74 72 73 74 73 73 74 74 73 72 73 74 73 74 74 74 73 72 RH 85 90 97 90 72 65 65 70 82 90 97 87 72 65 65 70 85 90 97 87 72 Wind dir E E E E E E NE E E E E E E E E E E E E E E Wind spd 11 12 12 12 13 12 13 10 14 13 11 11 11 10 9 11 9 8 11 10 11 Clouds SC CL CL FW CL CL SC SC FW FW CL CL CL SC OV OV SC SC CL CL SC PoP 12hr 10 30 10 70 30 QPF 12hr 0.01 0.06 0.02 0.60 0.03 Rain shwrs S S C S S C L L S S C Tstms S S Obvis H H H H H H H Heat index 83 87 93 95 90 82 87 93 95 90 83 87 Max heat 90 87 95 95 87 95 94 87 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 76 87 76 89 77 88 76 87 Temp 87 80 76 83 87 80 76 84 89 81 77 84 88 80 76 83 87 80 Dewpt 75 74 75 75 76 75 76 75 77 76 76 74 76 74 75 74 75 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ GN BZ GN BZ GN GN Avg clouds B1 B2 B2 B1 SC B1 B1 SC FW SC CL FW SC FW CL CL FW FW PoP 12hr 70 50 40 40 30 5 10 0 10 Rain shwrs L L C C C C C C C C S S S S S Tstms S S S S S S S S $$ PRZ010-130800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 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 73 91 73 89 73 Temp 79 76 74 75 84 90 91 87 79 76 74 75 83 88 89 85 78 76 74 75 84 Dewpt 76 74 73 72 74 76 77 76 75 74 73 72 74 76 76 76 75 74 72 71 74 RH 91 94 97 90 72 64 64 70 88 94 97 90 74 68 66 75 91 94 93 87 72 Wind dir E E E E E E SW S NE E E E E SE E E E E E E E Wind spd 5 6 6 8 5 2 5 3 8 5 5 6 3 2 4 8 4 8 5 5 5 Clouds SC CL CL CL CL CL SC B2 CL CL CL CL CL FW OV OV FW FW CL CL FW PoP 12hr 10 60 5 70 5 QPF 12hr 0.01 0.61 0.01 0.78 0.01 Rain shwrs S C L S L L Tstms S S S Obvis H H H H H H Heat index 83 91101105 97 83 89 99100 94 92 Max heat 98 91 105 104 89 101 100 92 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 73 90 75 93 74 93 73 92 Temp 92 79 74 83 90 80 76 86 93 80 75 85 93 80 74 84 92 79 Dewpt 77 76 73 75 79 77 75 76 79 77 75 75 79 77 73 75 78 76 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT GN LT Avg clouds SC OV OV B1 SC OV OV B1 SC B1 CL CL SC SC FW FW FW SC PoP 12hr 70 70 70 70 70 0 50 0 40 Rain shwrs L L L L L L L L L L C C C C Tstms S S S S S S S S S S S S S S $$ VIZ001-130800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 88 79 88 80 Temp 83 81 80 81 85 87 88 86 82 81 79 80 84 87 88 86 83 81 80 81 86 Dewpt 74 74 74 74 74 73 74 74 74 75 74 75 74 74 74 73 74 74 74 75 75 RH 74 79 82 79 70 63 63 68 77 82 85 85 72 65 63 65 74 79 82 82 70 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 12 14 14 14 14 13 12 13 13 16 12 14 18 17 17 16 18 19 18 17 17 Clouds CL FW SC FW SC SC SC SC FW CL FW SC SC SC B1 B1 SC SC B1 B1 SC PoP 12hr 20 20 40 40 40 QPF 12hr 0.02 0.04 0.05 0.16 0.16 Rain shwrs S S S S S S S S S C C C C C C C C S Obvis H H H H H H H H Heat index 89 87 85 86 92 95 97 94 88 86 83 85 92 96 97 93 89 87 85 87 95 Max heat 95 89 92 97 96 87 92 97 96 88 95 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 81 88 81 91 81 90 80 90 Temp 90 84 81 85 88 83 81 87 91 84 81 86 90 83 80 86 90 83 Dewpt 75 76 76 77 77 77 77 77 77 76 76 75 76 76 76 76 76 75 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ GN BZ GN Avg clouds SC B1 SC B1 B2 B2 B2 B1 B1 SC SC SC SC FW CL FW FW CL PoP 12hr 50 40 70 50 40 10 10 10 10 Rain shwrs C C C C L L C C C S S S S S S S Tstms S S S S $$ VIZ002-130800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sat Jul 12 2025 Date 07/12/25 Sun 07/13/25 Mon 07/14/25 Tue 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 89 77 89 77 Temp 81 79 77 79 84 88 89 86 81 79 77 79 84 88 89 86 81 79 77 79 84 Dewpt 74 74 73 73 73 73 74 73 73 73 73 73 73 74 74 73 73 74 74 74 74 RH 79 85 87 82 70 61 61 65 77 82 87 82 70 63 61 65 77 85 90 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 Wind spd 11 12 13 14 14 13 12 12 11 13 11 11 14 16 17 16 13 14 14 14 16 Clouds SC FW SC CL FW FW SC SC SC CL CL FW SC SC B2 B2 SC SC SC SC SC PoP 12hr 10 20 30 50 30 QPF 12hr 0.02 0.03 0.05 0.15 0.14 Rain shwrs S S S S S S S S C C C C C C C C S Obvis H H H H H H H H Heat index 86 83 91 96 98 93 86 82 91 97 98 93 86 83 91 Max heat 93 85 91 98 97 85 91 98 97 85 91 Date 07/15 Wed 07/16/25 Thu 07/17/25 Fri 07/18/25 Sat 07/19/25 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 78 88 78 89 79 89 78 89 Temp 89 82 78 84 88 81 78 85 89 82 79 85 89 82 78 85 89 82 Dewpt 75 75 75 76 77 75 76 77 77 76 75 75 75 74 74 75 75 74 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ GN GN GN GN Avg clouds SC B1 SC SC B1 B1 SC SC SC SC CL FW SC FW CL FW FW FW PoP 12hr 50 30 40 30 30 10 10 10 10 Rain shwrs C C C C C C C C C S S S S S S S Tstms S S $$