Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
074 FOCA52 TJSJ 032103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Sun Aug 3 2025 PRZ001-040800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 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 83 81 80 80 87 91 92 88 83 81 80 80 86 90 91 87 83 81 80 80 86 Dewpt 76 76 76 75 76 77 76 76 76 76 75 75 75 76 76 76 75 76 75 75 75 RH 80 85 88 85 70 64 60 68 80 85 85 85 70 64 62 70 77 85 85 85 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 10 10 11 12 16 17 13 10 9 9 8 10 13 13 12 10 9 6 6 6 Clouds SC SC B1 SC SC SC SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 B1 PoP 12hr 40 30 30 50 50 QPF 12hr 0.22 0.14 0.13 0.12 0.17 Rain shwrs C C C C C C S S C C C C C C C C C C C C C Tstms S S Obvis H H Heat index 91 87 86 85 98105105 99 91 87 85 85 95102103 98 90 87 85 85 95 Max heat 100 91 98 106 103 91 95 103 102 89 95 Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 78 92 78 91 78 91 79 91 Temp 91 82 79 87 92 83 79 86 91 82 79 86 91 83 80 86 91 83 Dewpt 75 75 74 75 75 75 74 75 75 75 75 75 75 75 75 75 76 76 PWind dir E SE E E E E E E E Wind char GN LT GN LT GN LT GN GN GN Avg clouds B1 SC SC SC SC SC SC SC SC SC SC SC SC FW B1 B1 B2 B1 PoP 12hr 40 30 30 20 20 30 40 60 60 Rain shwrs C S S C C S S S S S S C C C C L L C Tstms S S S $$ PRZ002-040800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 81 90 81 90 79 Temp 84 83 82 82 87 89 90 87 84 83 82 82 87 89 90 87 83 81 80 80 86 Dewpt 76 76 76 76 77 77 76 77 76 76 76 75 76 76 77 77 76 76 75 75 76 RH 77 80 82 82 72 68 64 72 77 80 82 79 70 66 66 72 80 85 85 85 72 Wind dir E E E E E E E E E E E E E E E NE NE NE E E E Wind spd 12 12 13 13 14 17 12 10 11 10 10 9 11 13 12 12 10 9 9 9 9 Clouds B1 B1 B2 B1 B1 B1 SC SC SC SC SC SC SC SC B1 B1 B2 B2 B2 B2 B1 PoP 12hr 50 40 30 50 50 QPF 12hr 0.29 0.19 0.14 0.31 0.17 Rain shwrs C C C C C C C S C C C C C C C C C C C C C Tstms S S S S S S Obvis H Heat index 93 91 89 89 99102102 99 93 91 89 89 98100103 99 91 87 85 85 96 Max heat 100 92 99 103 102 91 98 103 102 89 96 Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 80 90 81 90 80 90 80 90 Temp 90 83 81 86 90 84 82 87 90 83 81 86 90 83 81 86 90 84 Dewpt 75 75 74 76 76 75 75 76 76 76 75 75 75 75 75 76 76 76 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 SC SC SC SC B1 B1 B1 SC SC B1 B1 SC SC B1 B1 B2 B1 PoP 12hr 40 30 40 40 40 40 40 60 60 Rain shwrs C C S C C C C C C C C C C C C L L C Tstms S S S $$ PRZ007-040800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 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 76 92 76 Temp 82 80 79 79 85 89 90 86 81 79 77 78 86 91 92 87 81 79 77 77 85 Dewpt 76 75 74 73 75 78 78 78 76 74 72 70 70 71 71 72 73 73 73 72 75 RH 82 85 85 82 72 70 68 77 85 85 85 76 59 52 51 61 77 82 87 85 72 Wind dir E E NE E E SE SE SE E NE NE NE NE E E E NE NE NE NE E Wind spd 10 8 6 9 10 13 13 11 6 6 5 6 6 16 18 16 9 5 5 4 4 Wind gust 24 27 29 26 Clouds SC SC SC SC FW SC SC SC CL CL CL CL FW FW SC SC FW FW FW FW FW PoP 12hr 30 10 5 20 5 QPF 12hr 0.06 0.03 0 0.05 0.01 Rain shwrs S S C S S S S S S S S S S Obvis H H H H H H H Heat index 89 85 94103105 98 87 91 98 99 94 86 94 Max heat 98 87 94 105 103 85 91 99 98 84 94 Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 76 90 76 91 76 91 76 91 Temp 90 81 77 85 90 81 77 85 91 81 77 85 91 81 77 85 91 82 Dewpt 78 76 73 74 76 75 68 69 72 68 72 73 77 75 72 74 76 75 PWind dir E E E E E NE E NE E Wind char GN LT GN LT GN LT GN LT GN Avg clouds FW FW CL FW FW FW CL FW FW CL CL FW SC SC SC SC SC B1 PoP 12hr 10 10 10 5 5 5 20 20 40 Rain shwrs S S S S S S S S S S S C C $$ PRZ008-040800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 89 77 89 77 Temp 80 78 77 77 84 88 89 85 81 79 78 78 84 88 89 85 81 79 78 78 84 Dewpt 76 76 75 76 75 75 76 76 76 76 76 75 74 75 75 75 75 76 76 76 75 RH 88 94 94 97 74 66 66 75 85 91 94 91 72 66 64 72 82 91 94 94 74 Wind dir E E E E E E E E E E E E E E NE E E E E E E Wind spd 4 4 10 11 9 8 17 12 6 9 12 12 14 14 17 18 18 14 12 11 12 Clouds SC FW FW CL CL CL B2 B1 SC FW FW FW FW FW FW FW SC SC SC SC SC PoP 12hr 10 60 5 10 20 QPF 12hr 0.01 1.31 0.02 0.02 0.02 Rain shwrs S L C S S S S S S S S S Tstms C S Obvis H H H H H H Heat index 86 92 98100 94 87 91 98 99 94 87 92 Max heat 94 86 92 100 99 86 91 99 98 86 92 Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 88 76 89 76 88 77 88 Temp 88 80 77 83 88 80 77 84 89 80 77 83 88 81 78 84 88 81 Dewpt 76 76 76 74 75 75 75 74 75 75 75 74 75 75 76 75 76 75 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN GN GN BZ Avg clouds B1 B2 SC FW FW SC FW FW FW SC CL FW FW FW CL SC B2 B2 PoP 12hr 70 10 40 5 30 5 5 60 60 Rain shwrs L L S S C C S S C C L L L Tstms S S S S S $$ PRZ010-040800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 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 94 75 94 75 Temp 81 79 76 77 87 93 94 88 81 79 76 77 87 93 94 88 81 79 76 77 86 Dewpt 77 75 75 73 76 78 78 78 78 76 75 73 76 77 76 78 77 76 75 74 76 RH 88 88 97 87 70 62 60 72 91 91 97 87 70 60 56 72 88 91 97 90 72 Wind dir E E E E E SE NW N E E E E E NE E NE NE NE NE E E Wind spd 4 8 5 4 4 3 3 3 3 6 5 6 8 2 2 6 10 10 9 8 4 Clouds FW FW FW CL CL CL B2 SC SC CL CL FW FW FW SC SC FW FW FW FW CL PoP 12hr 5 60 10 30 5 QPF 12hr 0.01 1.31 0.01 0.06 0.01 Rain shwrs S L S S C C S S Tstms C Obvis H H H H H H H Heat index 88 98109110102 89 98107107102 88 96 Max heat 102 87 98 110 109 87 98 107 107 87 96 Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 74 93 74 93 74 93 74 93 Temp 93 80 75 86 93 80 75 86 93 80 75 86 93 80 75 86 93 81 Dewpt 78 76 74 75 78 76 74 75 78 76 74 75 77 76 74 76 78 77 PWind dir E E NE E NE E E E E Wind char LT LT LT LT LT LT LT LT LT Avg clouds SC B2 SC FW FW SC CL CL FW SC FW FW SC B1 CL FW B1 B1 PoP 12hr 70 10 50 0 50 5 60 40 60 Rain shwrs L L S S C C C C L L C L L Tstms S S S S S S S S $$ VIZ001-040800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 Wed AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 92 81 91 81 Temp 85 84 83 83 88 91 92 89 85 83 82 82 87 90 91 88 84 83 82 82 87 Dewpt 77 78 77 77 77 77 77 76 76 77 77 76 76 77 77 77 77 76 77 76 76 RH 77 82 82 82 70 64 62 66 75 82 85 82 70 66 64 70 80 80 85 82 70 Wind dir E E E E E E E E E E E E E E E NE E E E E E Wind spd 19 19 19 17 19 20 14 13 14 16 17 16 18 16 14 13 14 14 14 14 14 Clouds B1 SC SC B1 B1 B1 SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 B1 PoP 12hr 40 40 30 50 50 QPF 12hr 0.24 0.14 0.12 0.11 0.17 Rain shwrs C C C C C C S S C S C C C C S S C C C C C Tstms S S S S Obvis H H H Heat index 96 95 92 92100105106100 94 92 90 89 98103105100 94 91 90 89 98 Max heat 100 96 100 106 105 93 98 105 105 93 98 Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 81 92 81 91 81 92 81 92 Temp 91 84 82 88 92 85 82 87 91 84 82 88 92 85 82 88 92 85 Dewpt 76 76 77 76 76 76 77 77 76 76 76 76 76 76 77 76 77 77 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN BZ BZ BZ Avg clouds B1 SC SC SC SC SC B1 B1 SC SC B1 B1 SC SC B2 B2 B2 B1 PoP 12hr 40 10 40 40 40 40 50 60 60 Rain shwrs C C S S S C C C C C C C C C C L L C Tstms S S S S S $$ VIZ002-040800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Sun Aug 3 2025 Date 08/03/25 Mon 08/04/25 Tue 08/05/25 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 90 79 89 79 Temp 83 81 80 80 86 89 90 87 83 81 80 80 85 88 89 86 82 81 80 80 86 Dewpt 76 76 76 76 77 78 76 76 76 76 76 75 76 76 76 76 75 76 75 75 76 RH 80 85 88 88 75 70 64 70 80 85 88 85 75 68 66 72 79 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 16 16 14 14 20 18 14 14 14 14 17 13 13 16 14 13 12 13 13 11 14 Clouds B1 SC SC SC SC B1 SC SC SC SC SC SC SC SC SC SC B2 B2 B2 B2 B1 PoP 12hr 40 40 30 50 50 QPF 12hr 0.20 0.13 0.11 0.11 0.17 Rain shwrs C C S C C C S S C S C S C C S S C C C C C Tstms S S S Obvis H H H H Heat index 91 87 86 86 97103102 98 91 87 86 85 94 99100 96 89 87 85 85 96 Max heat 99 90 97 105 100 89 94 100 99 89 96 Date 08/06 Thu 08/07/25 Fri 08/08/25 Sat 08/09/25 Sun 08/10/25 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 90 78 89 78 90 79 90 Temp 90 82 79 85 90 82 79 85 89 82 79 85 90 83 80 86 90 83 Dewpt 75 75 75 76 75 75 75 76 76 76 75 76 76 75 75 76 76 76 PWind dir E E E E E E E E E Wind char GN GN GN GN GN GN BZ BZ BZ Avg clouds B1 SC SC SC SC SC SC SC FW FW SC SC SC SC B2 B2 B1 SC PoP 12hr 40 10 30 30 20 30 50 50 50 Rain shwrs C C S S S C C C S S S C C C C C C C Tstms S S S S $$