Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
387 FOCA52 TJSJ 220903 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 AM AST Tue Jul 22 2025 PRZ001-222000- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 AM AST Tue Jul 22 2025 Date Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 79 91 79 91 Temp 86 91 92 89 83 81 80 81 86 90 91 88 83 81 79 81 86 90 91 88 82 Dewpt 75 75 75 76 76 76 75 75 76 76 76 76 76 77 76 76 76 76 76 76 76 RH 70 60 58 66 80 85 85 82 72 64 62 68 80 88 91 85 72 64 62 68 82 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 16 14 12 12 12 12 16 19 17 16 14 13 14 14 16 18 17 16 13 Clouds FW FW SC SC CL FW FW FW B1 B2 SC SC B1 B1 B1 B1 B2 B2 B1 B1 OV PoP 12hr 50 40 50 50 70 QPF 12hr 0.39 0.05 0.34 0.28 0.60 Rain shwrs S S C C S S S C C C C C C C C C C C C L Tstms S S S S S Obvis H H H H H H Heat index 95102103100 92 88 84 86 96102103 99 92 88 84 86 96102104 99 90 Max heat 95 103 102 91 96 103 103 90 96 104 103 Date Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 90 78 91 78 90 78 91 Temp 79 85 90 82 78 86 91 82 79 85 90 82 78 86 91 82 Dewpt 75 75 75 75 74 75 75 74 75 76 77 77 76 76 76 76 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds OV B2 B1 B1 FW FW SC B2 B2 B2 B2 B2 B2 B1 SC SC PoP 12hr 70 60 5 50 60 70 60 30 Rain shwrs L L L L S C C C L L L L L C C Tstms S S S S S S S S S $$ PRZ002-222000- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 AM AST Tue Jul 22 2025 Date Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 81 90 81 90 Temp 85 88 89 87 84 82 81 82 86 89 90 88 84 83 81 82 86 89 90 88 83 Dewpt 76 77 77 77 76 76 76 76 76 77 77 77 77 77 77 76 76 77 77 77 76 RH 75 70 68 72 77 82 85 82 72 68 66 70 80 82 88 82 72 68 66 70 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 14 14 14 14 14 16 16 17 18 18 16 16 16 17 18 18 17 18 16 16 14 Clouds FW FW SC SC CL SC SC SC B1 B2 SC SC B1 B1 B1 B1 B2 B2 B1 B1 OV PoP 12hr 40 40 50 60 70 QPF 12hr 0.25 0.09 0.34 0.30 0.64 Rain shwrs S S S C S S C C C C C C C C C L L C C L Tstms S S S S S Obvis H H H H H H Heat index 94100102 99 92 90 88 90 96102103100 94 91 89 90 97102103 99 92 Max heat 94 102 102 92 96 103 103 93 97 103 103 Date Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 89 80 89 80 89 80 89 Temp 80 85 89 83 80 85 89 83 80 85 89 83 80 85 89 83 Dewpt 76 75 76 75 75 75 77 76 76 77 77 77 76 77 77 77 PWind dir E E E E E E E E Wind char GN GN GN GN GN GN GN GN Avg clouds OV B2 B2 B1 SC SC SC B1 B2 B2 B2 OV OV B2 B1 SC PoP 12hr 70 60 20 60 60 70 70 40 Rain shwrs L L L L S S C L L L L L L L C S Tstms S S S S S S S S S S S $$ PRZ007-222000- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 AM AST Tue Jul 22 2025 Date Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 77 93 78 92 Temp 86 91 92 88 82 80 78 79 87 92 93 89 83 81 79 80 86 91 92 88 82 Dewpt 72 72 72 72 72 72 71 71 71 71 71 70 71 72 71 70 71 71 71 70 71 RH 63 54 52 59 72 77 79 77 59 51 49 54 67 74 77 72 61 52 51 55 69 Wind dir E E SE E E NE NE NE E E E E E NE E E E E E E E Wind spd 9 16 14 14 8 6 6 6 9 17 17 16 9 8 9 9 12 18 17 14 10 Wind gust 26 25 28 27 26 31 29 25 Clouds CL CL FW CL CL CL CL CL CL CL SC SC SC SC SC SC SC SC B1 B1 FW PoP 12hr 10 5 5 30 40 QPF 12hr 0.11 0.01 0.06 0.03 0.40 Rain shwrs S S S S S S S C C C C Tstms S S Obvis H H H H H H H H H H H H H H H H Heat index 92 99100 95 87 83 82 93 99100 94 88 85 83 92 97 99 94 86 Max heat 92 100 99 86 93 100 99 87 92 99 98 Date Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 93 75 92 75 90 77 90 Temp 78 87 93 81 76 85 92 81 76 84 90 81 78 85 90 81 Dewpt 70 69 70 70 69 70 69 70 71 71 74 73 73 73 73 71 PWind dir E E NE E NE E E E Wind char LT GN LT GN LT GN LT GN Avg clouds FW FW SC SC CL FW SC B1 SC B1 B1 B1 B2 B1 SC SC PoP 12hr 10 40 0 40 40 50 50 50 Rain shwrs S C C C C C C C C C C C C $$ PRZ008-222000- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 AM AST Tue Jul 22 2025 Date Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 77 89 78 89 Temp 84 88 89 86 81 79 77 79 84 88 89 86 82 80 78 79 85 88 89 86 81 Dewpt 74 74 75 75 75 76 76 76 75 76 76 75 75 77 77 76 75 76 76 75 75 RH 72 63 64 70 82 91 97 91 74 68 66 70 79 91 97 91 72 68 66 70 82 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 11 9 19 20 19 17 13 14 16 18 24 25 24 20 20 18 19 20 25 27 24 Clouds FW CL SC B2 SC CL CL CL CL CL SC SC SC SC SC SC CL CL SC SC SC PoP 12hr 60 20 20 5 20 QPF 12hr 0.45 0.01 0.17 0.01 0.20 Rain shwrs S C L S S S S S S S S S S Tstms S S Obvis H H H H H H H H H H H H H H H H H H Heat index 91 97 99 95 87 83 92 99100 95 88 85 84 93 99101 95 87 Max heat 91 99 99 86 92 100 100 87 93 101 100 Date Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 77 88 76 88 76 87 76 88 Temp 77 84 88 80 76 83 88 80 76 83 87 80 76 83 88 80 Dewpt 76 74 75 74 76 74 75 74 75 74 76 75 76 75 76 76 PWind dir E E E E E E E E Wind char BZ BZ GN BZ GN GN GN GN Avg clouds SC SC SC B1 SC SC SC SC SC SC B1 B2 B2 B1 SC B1 PoP 12hr 20 60 10 40 30 70 60 50 Rain shwrs S S L L S S C C S C L L L L C C Tstms S S S S S S $$ PRZ010-222000- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 AM AST Tue Jul 22 2025 Date Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 93 75 93 76 94 Temp 86 92 93 89 81 78 76 77 86 92 93 89 82 79 77 78 87 93 94 89 81 Dewpt 76 77 77 78 77 76 74 74 76 77 77 78 77 76 75 75 76 78 78 78 77 RH 72 62 60 70 88 94 94 90 72 62 60 70 85 91 94 91 70 62 60 70 88 Wind dir E E NE NE E E E E E E E E E E E E E E E E E Wind spd 4 2 8 5 5 9 5 6 5 2 4 6 13 12 10 9 9 3 3 2 12 Clouds CL CL SC B2 FW CL CL CL CL CL B2 B2 CL CL CL CL CL CL OV OV CL PoP 12hr 70 10 50 0 70 QPF 12hr 0.56 0.01 0.65 0 0.62 Rain shwrs C L S C C L L Tstms S S S S Obvis H H H H H H H H H H H H H H Heat index 96106107103 88 96106107103 89 98108110103 88 Max heat 96 107 106 86 96 107 106 87 98 110 109 Date Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 74 93 74 92 74 92 75 92 Temp 75 85 93 80 75 85 92 80 75 85 92 81 76 85 92 81 Dewpt 74 75 78 76 73 75 78 75 74 75 79 77 75 76 79 77 PWind dir E E E E E E E E Wind char GN LT LT LT LT LT LT LT Avg clouds CL FW SC B2 SC FW SC B1 SC SC SC B2 B2 B1 SC B2 PoP 12hr 5 70 10 60 10 70 50 60 Rain shwrs L L S S L L S S L L C C L L Tstms S S S S S S S S $$ VIZ001-222000- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 AM AST Tue Jul 22 2025 Date Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 92 81 92 81 91 Temp 88 91 92 89 85 83 81 82 88 91 92 89 85 83 81 82 87 90 91 89 84 Dewpt 78 77 77 77 78 77 77 76 78 77 77 78 77 78 77 77 77 78 77 77 77 RH 72 64 62 68 80 82 88 82 72 64 62 70 77 85 88 85 72 68 64 68 80 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 18 19 17 18 21 23 23 23 24 23 20 20 23 24 24 24 23 21 19 20 20 Clouds FW CL SC SC SC FW FW FW SC SC SC SC B1 B1 B1 B1 SC SC B1 B1 B2 PoP 12hr 30 20 40 40 60 QPF 12hr 0.26 0.05 0.32 0.25 0.52 Rain shwrs S S C S S S S S C C C C C C C C C C C L Tstms S S S Obvis H H H H H H H H Heat index 102105106102 96 92 89 90102105106103 95 92 89 90 99104105100 94 Max heat 102 106 106 94 102 106 106 94 99 105 104 Date Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 81 91 81 91 80 92 81 92 Temp 81 87 91 84 81 87 91 84 80 87 92 85 81 88 92 85 Dewpt 76 76 76 76 76 76 76 76 77 78 77 78 78 78 77 77 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B2 B2 B1 B1 SC SC SC B1 B2 B2 B2 B2 SC B1 B1 SC PoP 12hr 60 50 20 60 60 70 40 40 Rain shwrs L L C C S S C L L L L L C C C S Tstms S S S S S S S $$ VIZ002-222000- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 AM AST Tue Jul 22 2025 Date Tue 07/22/25 Wed 07/23/25 Thu 07/24/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 79 90 79 90 Temp 85 88 89 87 82 81 79 80 86 89 90 87 83 81 79 80 86 89 90 87 82 Dewpt 76 76 76 76 75 76 76 76 76 76 76 76 76 77 77 76 76 76 76 76 76 RH 75 68 66 70 79 85 91 88 72 66 64 70 80 88 94 88 72 66 64 70 82 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 17 18 18 19 20 20 20 21 23 21 21 23 23 23 23 21 20 19 19 18 Clouds FW FW FW CL SC FW FW FW SC SC B1 B1 B2 B2 B2 B2 SC SC B1 B1 B2 PoP 12hr 20 20 50 50 60 QPF 12hr 0.17 0.05 0.41 0.29 0.52 Rain shwrs S S S S S S S S C C C C C C C C C C C L Tstms S S S Obvis H H H H H H H H H Heat index 94 99100 98 90 87 84 86 96100102 98 90 88 84 86 95101102 97 89 Max heat 94 100 100 89 96 102 102 89 95 102 101 Date Fri 07/25/25 Sat 07/26/25 Sun 07/27/25 Mon 07/28/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 78 89 78 89 78 89 78 89 Temp 78 85 89 82 78 85 89 82 78 85 89 82 78 85 89 82 Dewpt 76 75 75 75 75 75 75 76 76 77 77 76 76 76 76 76 PWind dir E E E E E E E E Wind char BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds B2 B1 FW FW CL FW SC B1 B2 B2 B2 B2 SC SC FW FW PoP 12hr 60 5 20 60 60 70 20 10 Rain shwrs L L S S C L L L L L S S S S Tstms S S S S S S S $$