Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
806 FOCA52 TJSJ 032103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Thu Jul 3 2025 PRZ001-040800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Thu Jul 3 2025 Date 07/03/25 Fri 07/04/25 Sat 07/05/25 Sun 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 79 90 79 Temp 82 80 78 79 85 88 89 87 82 81 79 80 86 89 90 87 83 81 79 80 85 Dewpt 74 74 74 74 75 76 76 76 76 76 75 75 76 76 75 76 76 76 75 74 75 RH 77 82 88 85 72 68 66 70 82 85 88 85 72 66 62 70 80 85 88 82 72 Wind dir E SE SE SE E E E E E E E SE E E E E E E E E E Wind spd 9 9 6 8 9 13 16 13 10 10 8 5 8 13 16 13 9 10 8 10 11 Clouds SC SC FW SC B2 B1 B2 B2 SC SC SC SC SC SC B1 B1 SC SC SC SC FW PoP 12hr 50 60 30 40 30 QPF 12hr 0.12 0.81 0.18 0.20 0.08 Rain shwrs S S S S C C L C S C C C C C C C C C C C Tstms S S S Obvis H H Heat index 88 85 83 93 99100 97 90 87 84 86 95101101 98 91 87 84 85 94 Max heat 95 87 93 100 100 89 95 101 100 89 94 Date 07/06 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 89 78 88 78 89 78 88 79 90 Temp 89 82 78 84 88 81 78 85 89 82 78 84 88 82 79 86 90 82 Dewpt 74 74 74 74 73 74 74 74 74 74 74 75 75 75 74 75 75 76 PWind dir E E E E E E E E E Wind char GN GN GN GN BZ GN GN GN BZ Avg clouds FW FW FW FW SC FW CL FW SC SC CL FW SC SC FW FW FW SC PoP 12hr 10 40 40 20 30 20 50 10 10 Rain shwrs C C S S C C S C C S S S S $$ PRZ002-040800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Thu Jul 3 2025 Date 07/03/25 Fri 07/04/25 Sat 07/05/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 79 89 80 89 80 Temp 82 81 79 80 85 88 89 87 83 82 80 81 85 88 89 87 83 82 80 81 85 Dewpt 74 74 74 74 76 77 77 77 76 75 75 75 76 76 76 76 76 75 75 74 74 RH 77 79 85 82 75 70 68 72 80 79 85 82 75 68 66 70 80 79 85 79 70 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 9 9 11 9 10 13 12 13 11 11 10 10 11 12 13 13 11 11 11 11 11 Clouds SC SC SC B1 B2 B2 OV B2 B2 SC B1 B1 B2 B2 B1 B1 SC SC SC SC SC PoP 12hr 60 70 50 50 30 QPF 12hr 0.23 0.94 0.25 0.24 0.09 Rain shwrs S S C C L L L C C S C C C C C C C C C C C Tstms S S S S Obvis H Heat index 89 86 83 85 94101102 98 91 88 86 87 95 99100 97 91 88 86 87 93 Max heat 95 88 94 102 101 90 95 100 100 90 93 Date 07/06 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 79 89 79 89 78 89 79 88 Temp 89 82 79 85 89 82 79 85 89 82 78 85 89 82 79 84 88 83 Dewpt 75 74 73 74 74 73 73 74 75 74 74 75 75 75 74 75 76 76 PWind dir E E E E E E E E E Wind char GN GN BZ GN BZ GN GN GN GN Avg clouds SC SC SC SC SC SC CL FW SC SC FW FW SC SC SC FW FW SC PoP 12hr 30 40 40 30 30 20 50 20 20 Rain shwrs C C C C C C C C C S S C C S S S S $$ PRZ007-040800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Thu Jul 3 2025 Date 07/03/25 Fri 07/04/25 Sat 07/05/25 Sun 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 77 91 76 Temp 83 81 79 80 86 89 90 87 81 79 78 79 85 90 91 87 81 79 77 78 85 Dewpt 73 72 71 70 69 72 73 73 74 73 72 72 72 73 73 73 73 73 73 72 71 RH 72 74 77 72 57 57 58 63 79 82 82 79 65 58 56 63 77 82 87 82 63 Wind dir E NE NE NE E SE SE SE E NE E E E SE SE SE E E E E E Wind spd 6 5 4 5 6 13 14 13 11 8 8 6 8 13 14 12 9 6 6 4 8 Wind gust 26 24 25 Clouds CL CL CL FW SC SC SC SC CL FW SC FW CL CL SC SC CL CL CL CL CL PoP 12hr 5 30 5 10 0 QPF 12hr 0.01 0.31 0.02 0.01 0 Rain shwrs S S C S S S S S S S Obvis H H H H H H H H H H H H H Heat index 89 85 83 84 90 96 98 94 87 83 91 98100 95 86 90 Max heat 97 87 90 98 98 86 91 100 99 84 90 Date 07/06 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 75 90 77 90 77 90 77 91 Temp 91 80 76 84 90 81 78 85 90 81 78 85 90 81 78 85 91 81 Dewpt 70 70 69 69 69 70 69 70 68 71 70 70 72 73 73 70 70 72 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 FW CL FW FW FW CL FW FW CL CL CL CL FW FW FW FW SC PoP 12hr 10 5 10 10 10 5 10 10 10 Rain shwrs S S S S S S S S S S $$ PRZ008-040800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Thu Jul 3 2025 Date 07/03/25 Fri 07/04/25 Sat 07/05/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 88 77 88 76 Temp 80 78 76 78 83 87 88 85 81 79 77 78 84 87 88 85 80 78 76 78 83 Dewpt 75 74 73 73 73 74 75 75 76 76 75 75 74 75 76 75 75 76 76 75 74 RH 85 88 90 85 72 65 66 72 85 91 94 91 72 68 68 72 85 94100 91 74 Wind dir E SE E E E E E E E E E E E E E NE E E E E E Wind spd 10 6 4 6 5 6 11 13 8 8 10 8 9 6 8 8 4 9 11 11 14 Clouds B2 CL CL CL FW SC OV B2 SC SC FW CL CL CL B1 B1 FW FW FW FW CL PoP 12hr 50 70 10 40 5 QPF 12hr 0.21 1.02 0.02 0.13 0 Rain shwrs C S L L S S S S C C Tstms S S S Obvis H H H H H H H H H H H Heat index 85 89 95 98 94 87 91 97 99 94 85 90 Max heat 93 84 89 98 97 86 91 99 98 84 90 Date 07/06 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 75 87 76 88 75 88 76 88 Temp 88 79 76 82 87 80 76 83 88 79 76 83 88 80 76 83 88 79 Dewpt 75 74 75 73 74 74 74 73 74 74 74 73 75 75 74 74 75 75 PWind dir E E E E E E E E E Wind char BZ BZ BZ GN BZ GN GN LT GN Avg clouds FW FW CL CL FW SC CL CL FW FW CL CL SC B1 CL CL SC SC PoP 12hr 20 0 30 5 10 0 60 5 50 Rain shwrs C C S S L L C C Tstms S S S S $$ PRZ010-040800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Thu Jul 3 2025 Date 07/03/25 Fri 07/04/25 Sat 07/05/25 Sun 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 74 93 75 93 75 Temp 80 77 75 76 85 91 93 89 81 78 76 77 86 92 93 89 81 78 76 77 86 Dewpt 76 74 73 71 75 77 79 78 77 76 74 73 75 78 79 78 77 76 75 73 75 RH 88 90 94 85 72 64 64 70 88 94 94 87 70 64 64 70 88 94 97 87 70 Wind dir E E E E E SW NE NE SE E E E E SE SE E E E E E E Wind spd 5 6 6 4 3 4 5 4 9 8 8 5 5 2 2 4 9 6 4 4 5 Clouds OV CL CL CL CL FW B2 B2 FW FW CL CL CL CL B2 B2 CL CL CL CL CL PoP 12hr 70 60 5 60 0 QPF 12hr 0.30 0.85 0 0.60 0 Rain shwrs L S L C S S S S L L Tstms S S S S S Obvis H H H H H H H H H H H Heat index 86 94105110102 89 95107110102 89 95 Max heat 98 83 94 110 109 87 95 110 108 86 95 Date 07/06 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 73 92 73 93 74 93 74 93 Temp 93 80 74 84 92 79 74 85 93 80 75 85 93 80 75 85 93 80 Dewpt 78 76 73 74 77 75 73 74 76 75 72 74 78 76 73 75 78 76 PWind dir E E E E E E E E E Wind char LT GN LT LT LT LT LT LT LT Avg clouds SC B1 FW FW SC B1 FW FW SC B1 CL CL FW SC CL CL FW SC PoP 12hr 60 5 60 10 60 5 40 0 30 Rain shwrs L L L L S S L L C C C C Tstms S S S S $$ VIZ001-040800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Thu Jul 3 2025 Date 07/03/25 Fri 07/04/25 Sat 07/05/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 89 81 89 80 Temp 83 82 80 81 85 88 89 87 84 82 81 82 86 88 89 87 83 82 80 81 86 Dewpt 76 76 76 76 78 77 77 77 76 76 76 76 77 76 77 77 76 76 76 75 76 RH 80 82 88 85 80 70 68 72 77 82 85 82 75 68 68 72 80 82 88 82 72 Wind dir E E E E E E E E E E E E E E E E E E E E E Wind spd 12 17 16 13 16 16 18 16 17 16 17 14 14 14 16 16 16 18 17 16 12 Clouds CL FW CL SC B1 B1 SC SC FW FW SC SC SC SC FW FW SC SC SC SC FW PoP 12hr 40 40 20 20 10 QPF 12hr 0.09 0.39 0.05 0.02 0.01 Rain shwrs S C C S S S S S S S S S S S S Obvis H H H H H H H H H H H H H H H Heat index 91 88 86 88 97101102 99 92 90 88 89 97100102 98 91 88 86 87 96 Max heat 96 90 97 102 101 92 97 102 101 90 96 Date 07/06 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 79 89 79 90 79 89 80 91 Temp 90 83 79 85 89 82 79 86 90 83 79 85 89 83 80 87 91 84 Dewpt 75 75 75 75 75 75 75 75 76 75 75 76 76 76 76 76 76 76 PWind dir E E E E E E E E E Wind char GN BZ BZ BZ BZ BZ BZ BZ BZ Avg clouds FW SC SC SC FW SC SC SC SC SC SC SC SC SC SC FW FW SC PoP 12hr 30 30 30 30 30 30 40 20 20 Rain shwrs C C C S C C C C S S C C C S S S S $$ VIZ002-040800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Thu Jul 3 2025 Date 07/03/25 Fri 07/04/25 Sat 07/05/25 Sun 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 79 90 78 Temp 82 80 78 79 85 88 89 87 82 81 79 80 86 89 90 87 82 80 78 80 85 Dewpt 74 75 76 75 76 77 77 75 75 75 75 75 76 76 76 75 75 75 75 74 74 RH 77 85 94 88 75 70 68 68 79 82 88 85 72 66 64 68 79 85 91 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 10 13 13 13 16 17 17 17 13 13 13 13 14 16 17 17 13 16 14 16 14 Clouds CL CL CL SC B1 B2 SC SC SC FW SC SC B2 B2 FW FW FW FW FW FW FW PoP 12hr 40 50 50 50 5 QPF 12hr 0.10 0.41 0.11 0.10 0 Rain shwrs S C C S S S S S S C C Tstms S Obvis H H H H H H H H H H H H H Heat index 88 85 84 94100102 96 89 86 84 86 95101102 96 89 85 84 93 Max heat 94 86 94 102 100 88 95 102 100 87 93 Date 07/06 Mon 07/07/25 Tue 07/08/25 Wed 07/09/25 Thu 07/10/25 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 77 89 78 90 78 90 79 91 Temp 90 81 78 84 89 82 78 85 90 82 78 85 90 83 79 86 91 82 Dewpt 74 74 74 74 74 73 74 74 74 74 74 75 75 74 75 75 75 75 PWind dir E E E E E E E E E Wind char BZ BZ BZ BZ BZ GN BZ BZ BZ Avg clouds FW SC SC SC FW SC SC SC SC SC FW SC SC SC FW FW CL FW PoP 12hr 30 30 30 50 50 30 50 10 10 Rain shwrs C C C S C C C C C S C C C S S S $$