Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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880 FOCA52 TJSJ 022103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sat Aug 2 2025 PRZ001-030800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 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 92 79 92 79 Temp 82 80 79 79 87 91 92 88 83 81 80 80 87 91 92 88 83 81 80 80 86 Dewpt 76 76 76 75 76 77 76 77 76 77 76 76 76 76 76 76 76 76 76 76 75 RH 82 88 91 88 70 64 60 70 80 88 88 88 70 62 60 68 80 85 88 88 70 Wind dir SE SE SE SE SE E E E E E E E E E E E E E E E E Wind spd 6 6 5 6 8 14 18 13 9 10 9 10 12 16 16 13 11 9 9 9 11 Clouds B1 B2 B2 B2 SC SC B2 B2 SC SC B1 SC SC SC SC SC SC SC SC SC FW PoP 12hr 60 50 40 30 30 QPF 12hr 0.43 0.69 0.21 0.14 0.13 Rain shwrs C L C C C C C C C C C C C C S S C C C C S Tstms S S Obvis H H Heat index 89 86 98105105100 91 88 86 86 98103105 99 91 87 86 86 95 Max heat 97 89 98 106 103 91 98 105 103 91 95 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 79 91 78 92 78 92 79 91 Temp 91 83 80 86 91 82 79 87 92 83 79 87 92 83 80 86 91 83 Dewpt 75 75 76 76 76 75 75 76 75 75 75 75 75 75 75 75 75 75 PWind dir E E E SE E E E E E Wind char GN LT GN LT GN GN GN GN GN Avg clouds SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC SC FW FW PoP 12hr 40 40 40 30 30 20 20 20 40 Rain shwrs S C C C C S S C C S S S S S S S S C $$ PRZ002-030800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 89 81 90 81 Temp 83 82 81 81 86 88 89 87 84 83 81 82 87 89 90 87 84 83 82 82 87 Dewpt 77 76 76 76 77 77 77 77 77 77 77 76 77 77 77 77 77 76 76 76 76 RH 82 82 85 85 75 70 68 72 80 82 88 82 72 68 66 72 80 80 82 82 70 Wind dir SE SE SE SE SE SE E E E E E E E E E E E E E E E Wind spd 11 12 11 11 12 13 14 13 12 12 13 11 14 16 14 12 11 11 10 11 11 Clouds B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 70 60 50 40 30 QPF 12hr 0.62 0.89 0.27 0.19 0.13 Rain shwrs L L L L C C L C C C C C C C C C C C C C S Tstms S S S Heat index 92 89 87 87 97100102 99 94 92 88 89 99102103 99 94 91 89 89 98 Max heat 97 89 97 102 102 92 99 103 103 92 98 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 80 89 80 90 80 90 80 89 Temp 90 83 81 86 89 83 81 86 90 83 81 86 90 83 81 86 89 83 Dewpt 76 76 75 76 76 75 75 76 76 75 75 76 75 76 75 75 76 75 PWind dir NE NE E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC B1 B2 B1 B1 SC SC SC SC B1 B1 B1 SC SC SC SC SC SC PoP 12hr 50 50 40 30 40 40 30 30 40 Rain shwrs C C C C C C S C C C C C C C C C S C Tstms S S $$ PRZ007-030800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 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 89 78 91 77 Temp 82 80 79 79 85 88 89 86 82 80 79 79 86 90 91 87 82 80 78 79 87 Dewpt 77 76 74 74 76 78 78 78 77 75 74 73 75 77 77 77 76 71 71 70 69 RH 85 88 85 85 75 72 70 77 85 85 85 82 70 66 64 72 82 74 79 74 55 Wind dir E E E E E SE SE E E NE E E E E SE E E NE NE NE NE Wind spd 9 9 9 9 9 12 12 11 9 6 5 8 8 14 14 13 8 6 5 5 8 Wind gust 25 25 Clouds B2 B2 OV B2 B2 B1 SC SC SC SC SC SC SC SC SC SC CL CL CL CL FW PoP 12hr 70 50 30 20 5 QPF 12hr 0.55 0.59 0.10 0.08 0 Rain shwrs C C L C C C C C S S C S S S S S Obvis H H H H H H H Heat index 90 86 94102103 98 90 85 95103105 99 89 83 91 Max heat 95 88 94 103 102 87 95 105 103 86 91 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 93 76 90 76 91 76 91 76 91 Temp 93 82 77 85 90 81 77 85 91 81 77 85 91 81 77 85 91 81 Dewpt 70 71 73 74 78 76 73 74 76 75 72 74 77 75 72 73 77 75 PWind dir E NE E E E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW SC FW FW FW FW CL FW FW FW FW FW SC FW CL FW SC SC PoP 12hr 20 5 10 10 10 5 10 5 20 Rain shwrs S S S S S S S S S S S S $$ PRZ008-030800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 89 77 90 77 Temp 81 79 78 78 84 88 89 85 81 79 78 78 85 89 90 86 81 79 78 78 84 Dewpt 76 76 76 75 75 75 76 75 76 76 76 76 75 76 76 76 76 76 76 76 75 RH 85 91 94 91 74 66 66 72 85 91 94 94 72 66 64 72 85 91 94 94 74 Wind dir SE E SE E E NE NE E E E E E E E NE E E E E E E Wind spd 2 5 5 6 5 8 9 3 4 4 10 10 10 9 16 17 12 14 14 13 16 Clouds SC SC SC SC SC SC B2 B2 SC FW FW FW CL CL B2 B2 SC SC CL CL FW PoP 12hr 10 60 10 60 5 QPF 12hr 0.10 1.21 0.01 1.24 0.01 Rain shwrs S S S S S S L L S S L L S S Tstms S S S S Obvis H H H H H H Heat index 87 92 98100 94 87 94100102 96 87 92 Max heat 92 86 92 100 99 86 94 102 100 87 92 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 77 88 75 88 76 88 77 89 Temp 88 81 78 84 88 79 76 83 88 80 77 83 88 81 78 84 89 81 Dewpt 75 75 76 75 76 75 76 74 75 75 76 74 76 76 76 75 76 75 PWind dir NE E E E E E E E E Wind char BZ GN GN LT GN GN GN BZ GN Avg clouds FW FW SC SC B1 B2 SC FW FW SC SC FW SC SC CL FW FW FW PoP 12hr 10 20 70 10 40 10 40 5 5 Rain shwrs S S S L L S S C C S S C C Tstms S S $$ PRZ010-030800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 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 76 94 76 94 74 Temp 82 79 77 78 87 93 94 88 82 79 77 78 87 93 94 88 81 78 75 76 86 Dewpt 76 76 75 74 77 78 79 78 77 76 75 74 76 78 79 78 77 77 75 75 76 RH 82 91 94 88 72 62 62 72 85 91 94 88 70 62 62 72 88 97100 97 72 Wind dir SE E E E E SE SE NE E E E E E SE NE E E E E E E Wind spd 10 8 8 8 5 5 8 2 6 5 5 3 3 2 2 5 8 8 5 6 8 Clouds SC SC SC SC SC SC B2 B2 FW FW FW CL CL CL B2 B2 SC SC CL CL FW PoP 12hr 30 60 5 60 10 QPF 12hr 0.18 1.24 0.01 1.24 0.01 Rain shwrs S S S C S S L L S L L S S Tstms S S S S Obvis H H H H H H Heat index 89 99109112102 90 98109112102 88 96 Max heat 98 87 99 112 110 88 98 112 110 96 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 93 75 92 74 93 74 93 74 94 Temp 93 81 76 86 92 80 75 86 93 80 75 86 93 80 75 86 94 81 Dewpt 78 76 75 77 79 77 75 76 78 77 74 76 78 76 74 75 78 76 PWind dir E NE E E E E E E E Wind char LT GN LT LT LT LT LT GN LT Avg clouds FW SC FW FW SC B2 SC FW FW B1 SC FW SC SC CL FW SC B1 PoP 12hr 30 5 70 10 50 10 50 5 70 Rain shwrs C C L L S S C C S S C C L L Tstms S S S S S S S S $$ VIZ001-030800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 Tue AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 92 82 92 82 Temp 84 83 82 82 88 91 92 89 85 84 83 83 88 91 92 89 85 84 83 83 88 Dewpt 78 78 78 77 78 78 77 78 77 77 78 77 77 77 77 77 77 77 77 77 77 RH 82 85 88 85 72 66 62 70 77 80 85 82 70 64 62 68 77 80 82 82 70 Wind dir SE SE E SE SE E E E E E E E E E E E E E E E E Wind spd 17 18 17 17 18 18 17 17 17 19 17 18 19 19 17 16 16 17 17 16 16 Clouds B2 B1 B2 OV B2 B2 B2 B2 B1 SC SC B1 B1 B1 SC SC SC SC SC SC SC PoP 12hr 70 60 40 40 30 QPF 12hr 0.58 0.89 0.21 0.13 0.13 Rain shwrs C C C L C C L C C C C C C C S S C C C C S Tstms S S Obvis H H Heat index 95 93 91 90102106106103 96 94 93 92100105106102 96 94 92 92100 Max heat 100 95 102 107 106 96 100 106 106 96 100 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 92 81 91 82 92 82 92 82 91 Temp 92 85 82 87 91 85 83 88 92 85 83 88 92 85 83 88 91 84 Dewpt 77 76 77 77 76 76 76 76 76 76 76 76 76 77 76 76 76 76 PWind dir E E E E E E E E E Wind char BZ GN GN GN BZ BZ BZ BZ BZ Avg clouds SC SC SC B1 B1 SC SC SC SC SC B1 B1 SC SC SC SC SC SC PoP 12hr 30 40 40 10 40 40 30 30 50 Rain shwrs S C C C C C S S S C C C C C C C S C Tstms S $$ VIZ002-030800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sat Aug 2 2025 Date 08/02/25 Sun 08/03/25 Mon 08/04/25 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 79 89 79 90 79 Temp 82 81 80 80 85 88 89 86 82 81 80 80 86 89 90 87 83 81 80 80 86 Dewpt 77 77 76 77 78 78 77 77 77 77 76 76 77 77 76 76 76 76 75 75 76 RH 85 88 88 91 80 72 68 75 85 88 88 88 75 68 64 70 80 85 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 Wind spd 14 13 13 13 17 17 17 16 14 16 13 17 19 19 16 16 16 16 14 14 17 Clouds B2 B2 B1 B2 B1 B1 B2 B2 B1 SC SC SC B1 B1 SC SC SC SC SC SC SC PoP 12hr 50 60 40 40 30 QPF 12hr 0.49 0.82 0.14 0.13 0.13 Rain shwrs C C C C C C L C C C S C C C S S C C C C S Tstms S S Obvis H H H Heat index 90 88 86 87 97102102 97 90 88 86 86 97102102 98 91 87 85 85 96 Max heat 97 90 97 103 102 90 97 103 100 89 96 Date 08/05 Wed 08/06/25 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 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 79 90 79 90 78 90 79 89 Temp 90 83 80 86 90 83 80 86 90 82 79 85 90 83 80 85 89 82 Dewpt 76 75 75 77 76 75 75 76 76 75 76 76 76 76 75 76 76 75 PWind dir E E E E E E E E E Wind char GN GN GN GN GN BZ BZ BZ BZ Avg clouds SC SC SC B1 B1 SC SC SC SC SC SC SC FW FW SC SC SC SC PoP 12hr 30 40 40 10 30 30 20 30 50 Rain shwrs S C C C C C S S S C C C S S S C C C Tstms S $$