Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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370 FOCA52 TJSJ 022103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Wed Jul 2 2025 PRZ001-030800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Wed Jul 2 2025 Date 07/02/25 Thu 07/03/25 Fri 07/04/25 Sat 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 79 90 79 Temp 81 79 77 79 85 89 90 87 83 81 79 80 86 89 90 87 83 81 79 80 86 Dewpt 75 74 74 74 74 73 74 74 74 74 74 73 75 75 75 75 76 76 75 74 75 RH 82 85 90 85 70 59 60 65 74 79 85 79 70 64 62 68 80 85 88 82 70 Wind dir E E SE SE E E E E E E SE E E E E E E E E E E Wind spd 10 10 10 9 9 12 13 12 9 8 6 8 8 14 14 13 11 10 10 9 9 Clouds SC B1 B2 B2 SC SC SC SC SC FW FW SC B2 B2 B2 B2 SC SC SC SC SC PoP 12hr 60 30 50 60 30 QPF 12hr 0.35 0.08 0.07 0.75 0.08 Rain shwrs S C L L C S C C S S C C L L S S C C C Tstms S S S S Obvis H H Heat index 87 93 97 99 95 90 86 84 95 99101 96 91 87 84 95 Max heat 94 85 93 99 99 88 95 101 101 89 95 Date 07/05 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 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 89 78 88 78 89 78 89 Temp 90 83 79 85 89 82 78 84 88 81 78 85 89 82 78 85 89 82 Dewpt 75 76 74 75 75 74 74 74 74 74 73 74 74 74 73 74 74 75 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN BZ GN GN Avg clouds SC SC SC SC SC SC B1 B1 SC FW SC SC SC SC SC SC SC SC PoP 12hr 30 30 40 40 40 30 30 30 20 Rain shwrs C C C C S C C C C S S C C C C C S S $$ PRZ002-030800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Wed Jul 2 2025 Date 07/02/25 Thu 07/03/25 Fri 07/04/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 77 89 80 90 80 Temp 81 79 77 79 84 88 89 87 83 82 80 81 86 89 90 88 83 82 80 81 86 Dewpt 74 74 74 74 74 75 74 73 73 74 74 74 75 75 76 75 75 75 75 74 75 RH 79 85 90 85 72 66 61 63 72 77 82 79 70 64 64 66 77 79 85 79 70 Wind dir E E E E E SE SE SE E E E E E E E E E E E E E Wind spd 11 12 12 11 12 11 10 9 9 9 10 9 10 12 11 11 11 12 12 11 12 Clouds SC B1 B2 B2 SC SC SC SC SC FW SC SC B2 B2 OV OV SC SC B1 B1 B2 PoP 12hr 60 30 60 70 50 QPF 12hr 0.28 0.09 0.09 0.81 0.14 Rain shwrs C C C L C C C C S S S L L L L S S C C C Tstms S S S S Obvis H H Heat index 86 91 98 98 94 89 88 84 86 95 99102 98 90 89 85 86 95 Max heat 93 84 91 98 98 89 95 102 102 90 95 Date 07/05 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 80 89 79 89 78 89 78 89 Temp 90 83 80 85 89 82 79 85 89 82 78 85 89 82 78 85 89 83 Dewpt 75 75 74 75 74 74 73 74 74 74 73 74 74 73 73 74 74 74 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN BZ GN GN Avg clouds B1 SC SC SC SC SC B1 B1 SC FW B1 B1 B1 B1 B1 B1 SC SC PoP 12hr 50 30 40 40 40 50 50 40 30 Rain shwrs C C C C C C C C C C C C C C C C C S $$ PRZ007-030800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Wed Jul 2 2025 Date 07/02/25 Thu 07/03/25 Fri 07/04/25 Sat 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 89 77 91 77 Temp 80 78 77 78 84 88 89 86 81 79 77 79 85 90 91 88 82 79 78 79 85 Dewpt 72 72 71 71 73 74 74 74 73 71 71 70 73 74 76 75 75 73 72 71 74 RH 77 82 82 79 70 63 61 68 77 77 82 74 67 60 62 66 79 82 82 77 70 Wind dir E E NE NE E SE SE SE E NE NE NE E SE SE SE E E E E E Wind spd 9 6 6 8 9 12 12 9 6 5 4 4 8 13 13 11 9 6 6 8 8 Clouds SC B1 B1 SC SC FW CL CL FW FW FW FW FW FW SC SC CL CL SC SC CL PoP 12hr 40 10 5 30 10 QPF 12hr 0.13 0.02 0.01 0.07 0.02 Rain shwrs C C S S S C C S S Obvis H H H H H Heat index 84 90 97 98 94 86 92 99103 98 89 93 Max heat 95 84 90 98 98 84 92 103 102 86 93 Date 07/05 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 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 76 91 75 90 77 90 77 90 Temp 91 81 77 85 91 80 76 84 90 81 78 85 90 81 78 85 90 81 Dewpt 76 74 72 73 75 73 70 72 74 71 71 72 74 73 71 72 74 73 PWind dir SE E E NE E E E E E Wind char GN LT GN LT GN LT GN LT GN Avg clouds CL CL CL CL CL FW FW FW FW FW CL FW SC SC SC SC SC SC PoP 12hr 0 0 0 5 5 5 10 10 10 Rain shwrs S S S S S S S S S $$ PRZ008-030800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Wed Jul 2 2025 Date 07/02/25 Thu 07/03/25 Fri 07/04/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 75 86 76 88 77 Temp 79 77 75 76 82 85 86 84 79 78 76 78 83 87 88 85 81 79 77 78 84 Dewpt 75 74 74 74 73 73 74 74 74 74 73 72 72 73 74 75 75 75 75 75 74 RH 88 90 97 94 74 67 68 72 85 88 90 82 70 63 63 72 82 88 94 91 72 Wind dir E E E E E E NE E E SE E E E E NE E E E E E E Wind spd 13 12 10 10 8 5 9 11 10 9 9 6 5 6 10 9 5 4 11 9 9 Clouds B1 SC SC SC CL FW B2 B2 B1 SC SC FW CL CL OV OV FW FW CL CL CL PoP 12hr 40 60 40 70 5 QPF 12hr 0.05 0.66 0.06 1.05 0.01 Rain shwrs C S C L C C S L L S S Tstms S S S S Obvis H H H H H Heat index 87 92 94 91 88 94 97 94 87 91 Max heat 91 87 94 94 88 97 97 85 91 Date 07/05 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 88 75 87 76 88 75 88 Temp 88 80 76 83 88 79 76 82 87 80 76 83 88 79 76 83 88 79 Dewpt 75 75 75 74 75 74 74 73 74 74 73 72 74 73 73 72 74 74 PWind dir E E E E E E E E E Wind char LT LT GN GN BZ GN BZ GN GN Avg clouds FW SC CL CL FW SC CL CL FW SC FW FW SC SC CL CL SC SC PoP 12hr 40 0 20 0 30 5 40 5 50 Rain shwrs C C S S C C C C C C Tstms S S $$ PRZ010-030800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Wed Jul 2 2025 Date 07/02/25 Thu 07/03/25 Fri 07/04/25 Sat 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 90 74 93 75 Temp 79 76 74 75 83 89 90 86 79 77 75 76 85 91 93 89 81 78 76 77 86 Dewpt 75 75 73 72 75 77 77 76 75 74 71 70 73 76 77 77 77 75 74 73 75 RH 88 97 97 90 77 68 66 72 88 90 87 82 67 62 60 68 88 91 94 87 70 Wind dir E E E E E SE NW N E E E E E S NE E E E E E E Wind spd 3 5 5 4 3 2 2 8 3 8 5 3 4 3 8 5 5 5 5 4 4 Clouds SC SC SC SC CL CL B1 B2 FW SC SC FW CL CL B2 B2 CL CL CL CL CL PoP 12hr 20 50 10 60 0 QPF 12hr 0.02 0.43 0.02 0.75 0 Rain shwrs S C C S S L L Tstms S S S S Obvis H H H H H Heat index 90102103 96 92103107102 88 95 Max heat 98 90 103 102 92 107 106 86 95 Date 07/05 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 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 93 73 92 73 93 74 93 Temp 93 81 76 86 93 80 74 84 92 79 74 85 93 80 75 85 93 80 Dewpt 78 76 74 75 78 76 73 74 77 75 72 74 77 75 72 74 76 75 PWind dir E E E E E E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC CL CL FW SC CL CL SC B1 CL CL FW SC CL CL FW SC PoP 12hr 50 0 40 0 60 0 40 0 30 Rain shwrs C C C C L L C C C C Tstms S S $$ VIZ001-030800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Wed Jul 2 2025 Date 07/02/25 Thu 07/03/25 Fri 07/04/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 89 81 89 81 Temp 82 81 79 80 85 88 89 87 84 82 81 82 86 88 89 87 84 82 81 82 85 Dewpt 75 75 75 75 75 75 75 75 76 76 76 75 76 76 77 76 77 76 76 75 76 RH 79 82 88 85 72 66 64 68 77 82 85 79 72 68 68 70 80 82 85 79 75 Wind dir E E E E E SE SE E E E E E E E E E E E E E E Wind spd 17 20 17 17 16 13 12 11 12 14 14 14 16 16 16 16 17 18 18 17 17 Clouds SC SC SC SC SC SC SC SC SC FW SC SC B1 B1 B1 B1 FW FW SC SC SC PoP 12hr 20 20 40 40 20 QPF 12hr 0.04 0.04 0.05 0.55 0.05 Rain shwrs S S S S S S S S S S C C C C S S S Tstms S S Obvis H H H H H Heat index 89 87 85 94 98 99 96 93 89 87 89 96 99102 98 94 89 87 89 94 Max heat 95 89 94 99 99 91 96 102 102 92 94 Date 07/05 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 80 89 79 89 79 89 79 89 Temp 88 83 80 85 89 82 79 85 89 82 79 85 89 82 79 85 89 84 Dewpt 76 76 75 75 75 75 74 75 74 74 74 75 75 75 75 75 75 75 PWind dir E E E E E E E E E Wind char BZ BZ GN BZ BZ BZ BZ BZ BZ Avg clouds SC SC SC SC SC SC SC SC SC SC SC SC SC SC B1 SC SC SC PoP 12hr 20 20 30 30 30 30 40 40 20 Rain shwrs S S S S S C C C C C C C C C C C S S $$ VIZ002-030800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Wed Jul 2 2025 Date 07/02/25 Thu 07/03/25 Fri 07/04/25 Sat 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 78 89 79 Temp 81 79 77 79 85 89 90 87 82 80 78 79 85 88 89 87 82 81 79 80 85 Dewpt 74 74 74 73 74 74 74 74 73 75 75 75 76 76 76 75 75 75 75 75 75 RH 79 85 90 82 70 61 60 65 74 85 91 88 75 68 66 68 79 82 88 85 72 Wind dir E E E E E E SE E E E E E E E E E E E E E E Wind spd 13 14 14 13 16 13 12 11 11 11 12 12 14 17 16 16 14 14 13 16 16 Clouds B2 SC SC SC FW SC CL FW SC SC SC SC B1 B1 B2 B2 SC SC SC SC B2 PoP 12hr 50 20 40 50 50 QPF 12hr 0.10 0.03 0.06 0.68 0.09 Rain shwrs C C S S S S S S S C C C C S S S S C Tstms S S Obvis H H H H Heat index 86 93 98 99 95 87 85 94 99100 96 89 87 85 94 Max heat 93 84 93 99 99 86 94 100 100 89 94 Date 07/05 Sun 07/06/25 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 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 89 77 90 77 90 77 90 78 90 Temp 89 81 77 85 90 81 78 85 90 81 78 85 90 82 78 85 90 82 Dewpt 75 74 74 75 74 74 74 74 74 73 73 74 74 73 74 74 75 74 PWind dir E E E E E E E E E Wind char BZ GN GN BZ BZ BZ BZ GN BZ Avg clouds B1 FW FW FW FW SC SC SC SC SC B1 B1 SC SC SC SC FW FW PoP 12hr 50 5 30 30 40 40 30 20 10 Rain shwrs C S C C C S C C C C C S S S S $$