Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
404 FOCA52 TJSJ 092108 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 508 PM AST Thu Oct 9 2025 PRZ001-100815- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 508 PM AST Thu Oct 9 2025 Date 10/09/25 Fri 10/10/25 Sat 10/11/25 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 91 79 91 78 Temp 82 80 79 79 85 90 91 85 82 80 79 79 85 90 91 85 82 80 79 78 86 Dewpt 76 75 75 75 75 75 76 76 75 75 75 75 76 76 76 76 75 75 75 74 75 RH 82 85 88 88 72 62 62 75 79 85 88 88 75 64 62 75 79 85 88 88 70 Wind dir NE W SW SW SW NW NW NW SW S S S S S S S S S S SE SE Wind spd 3 4 2 1 1 3 4 3 4 4 4 5 2 2 5 3 5 5 4 3 3 Clouds B1 B2 B2 SC B1 B1 B1 OV B1 B1 B2 B2 SC SC OV OV SC SC SC SC SC PoP 12hr 50 70 60 80 50 QPF 12hr 0.31 1.29 0.41 1.23 0.17 Rain shwrs C C C C C C C L C C L L S S D D C C C C C Tstms S S S S S S Heat index 89 85 93101104 94 89 85 94102103 94 89 85 95 Max heat 94 87 93 104 102 87 94 103 102 87 95 Date 10/12 Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 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 78 92 78 91 78 92 77 92 Temp 92 82 79 86 92 82 79 85 91 82 79 86 92 82 78 84 90 82 Dewpt 75 74 74 75 75 74 75 74 75 75 74 74 75 74 74 75 75 74 PWind dir SE SE E E E SE SE S SE Wind char LT LT GN LT GN LT LT LT LT Avg clouds SC SC FW SC SC FW FW FW SC FW CL FW SC B1 SC SC SC B2 PoP 12hr 50 40 40 10 20 20 50 10 60 Rain shwrs C C S C C S S S S S S C C S S L L Tstms S S S S $$ PRZ002-100815- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 508 PM AST Thu Oct 9 2025 Date 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 90 74 90 76 Temp 81 79 78 77 84 89 90 84 82 80 79 78 85 89 90 85 82 81 80 79 85 Dewpt 77 77 76 76 77 77 77 77 77 76 76 76 78 78 77 77 76 76 75 75 77 RH 88 94 94 97 80 68 66 80 85 88 91 94 80 70 66 77 82 85 85 88 77 Wind dir NE N N W W SW SW SW SW S S S S S S S S S SE SE SE Wind spd 4 6 4 4 3 3 1 5 4 4 6 8 4 9 10 10 10 9 5 4 5 Clouds B1 B2 B2 B2 B2 B1 B2 OV B2 B1 B2 B2 B2 B2 OV OV B2 B2 B2 B2 SC PoP 12hr 50 70 60 70 50 QPF 12hr 0.41 1.29 0.47 0.97 0.46 Rain shwrs C C C C C C L L C C L L C C L L C C C C C Tstms S S S S S S S S S S S S S S Heat index 88 94102103 94 90 86 96103103 96 89 87 85 95 Max heat 92 86 94 103 102 88 96 104 102 89 95 Date 10/12 Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 90 77 89 77 89 78 89 77 88 Temp 90 82 79 84 89 81 79 84 89 81 79 84 89 81 78 84 88 81 Dewpt 76 75 75 76 76 76 76 76 76 76 75 77 76 76 75 77 77 76 PWind dir SE E E E E SE S S S Wind char LT LT GN LT LT LT LT LT LT Avg clouds SC FW FW SC SC FW CL FW SC FW CL FW SC SC SC SC SC B1 PoP 12hr 50 30 30 20 20 30 30 10 50 Rain shwrs C S S C C S S S S C C C S S C C Tstms S S $$ PRZ007-100815- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 508 PM AST Thu Oct 9 2025 Date 10/09/25 Fri 10/10/25 Sat 10/11/25 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 77 90 77 90 76 Temp 80 78 77 77 84 89 90 83 80 78 77 77 84 89 90 84 81 79 78 77 84 Dewpt 73 73 72 71 71 72 74 74 73 73 73 73 74 72 73 73 72 73 73 72 73 RH 79 85 85 82 65 57 60 74 79 85 87 87 72 57 58 70 74 82 85 85 70 Wind dir N NE N N N S SW W N N N SE SE S S S SE SE E E E Wind spd 2 4 4 3 2 4 8 5 2 3 2 2 2 6 8 3 4 3 2 4 4 Clouds SC FW SC SC SC SC B1 OV B2 SC SC SC B1 B1 B2 B2 SC SC SC SC FW PoP 12hr 10 80 50 50 30 QPF 12hr 0.02 1.31 0.37 0.38 0.11 Rain shwrs S S S S S C D C S C C C C C C C C C C S Tstms S S S S Heat index 84 89 96 99 90 84 91 96 98 90 85 90 Max heat 90 84 89 99 98 84 91 98 97 84 90 Date 10/12 Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 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 90 76 90 76 90 Temp 90 80 77 84 90 80 77 84 90 80 77 84 90 80 77 83 89 80 Dewpt 72 72 71 70 74 71 70 71 73 72 72 72 70 70 72 72 71 70 PWind dir E E E NE E E SE E S Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW FW FW SC SC FW CL FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 20 30 30 0 5 30 30 20 30 Rain shwrs S S S C C S S S C C S S S S C $$ PRZ008-100815- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 508 PM AST Thu Oct 9 2025 Date 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 87 77 88 75 Temp 79 78 77 76 82 86 87 82 79 78 77 77 83 87 88 82 80 78 77 76 83 Dewpt 75 76 74 73 76 77 77 75 75 76 74 73 75 77 77 75 75 75 74 72 75 RH 88 94 90 90 82 75 72 79 88 94 90 87 77 72 70 79 85 91 90 87 77 Wind dir E E E E S W W SW S S S S SE S S S S SE SE SE SE Wind spd 8 9 8 6 4 3 5 3 1 3 4 5 3 8 11 11 9 9 6 5 8 Clouds CL CL FW FW FW FW SC B1 CL SC SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 5 40 20 20 10 QPF 12hr 0.01 0.11 0.04 0.11 0.04 Rain shwrs S S C C S S S S S S S S S S S S Heat index 89 97 98 89 90 98100 89 85 90 Max heat 88 89 98 96 90 100 98 90 Date 10/12 Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 88 76 87 76 88 76 88 76 88 Temp 88 80 77 82 87 79 77 83 88 80 77 83 88 80 77 82 87 80 Dewpt 76 75 73 74 76 75 73 74 75 75 74 75 76 74 74 75 76 74 PWind dir E E E E E SE S S SW Wind char LT LT LT GN LT LT LT LT LT Avg clouds SC B2 B2 B1 SC B1 SC SC SC B1 SC SC SC B1 SC SC SC SC PoP 12hr 60 60 60 40 50 30 50 20 30 Rain shwrs L L L L L L C C C C C C C C S S S C Tstms S S S S S S S S S S $$ PRZ010-100815- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 508 PM AST Thu Oct 9 2025 Date 10/09/25 Fri 10/10/25 Sat 10/11/25 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 92 76 92 74 Temp 79 77 75 74 84 91 92 84 80 78 76 76 85 91 92 84 80 78 76 75 85 Dewpt 76 75 75 74 77 79 79 77 77 76 75 75 77 79 78 77 76 76 75 74 76 RH 91 94100100 80 68 66 80 91 94 97 97 77 68 64 80 88 94 97 97 75 Wind dir NE NE NE E S SW SW SW SE SE S SE SE S S S SE SE SE SE SE Wind spd 6 8 6 5 2 3 6 2 1 4 3 3 3 8 10 10 9 10 6 6 5 Clouds CL CL FW FW FW SC SC B2 FW FW SC SC SC SC SC SC SC SC SC SC FW PoP 12hr 5 50 20 30 10 QPF 12hr 0.01 0.51 0.04 0.17 0.04 Rain shwrs S C C S S S S C C S S S S S Tstms S Heat index 94107109 94 86 95108108 94 86 94 Max heat 92 94 109 105 95 109 104 94 Date 10/12 Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 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 74 92 74 92 74 92 74 93 Temp 92 79 75 84 92 79 75 84 92 79 75 84 92 79 75 84 92 79 Dewpt 78 76 74 76 77 76 74 75 78 76 74 77 78 75 75 76 78 75 PWind dir SE E E E SE SE S S S Wind char LT LT LT LT LT LT GN LT LT Avg clouds SC B2 B2 B1 SC B1 SC SC SC B1 SC SC SC SC SC SC SC SC PoP 12hr 60 60 60 50 50 30 30 20 30 Rain shwrs L L L L L L C C C C C C C C S S S C Tstms S S S S S S S S $$ VIZ001-100815- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 508 PM AST Thu Oct 9 2025 Date 10/09/25 Fri 10/10/25 Sat 10/11/25 Sun AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 80 91 81 91 78 Temp 85 84 83 82 87 90 91 86 84 83 82 81 87 90 91 87 85 84 83 82 87 Dewpt 76 78 77 77 77 79 78 78 77 77 77 77 78 79 78 78 77 77 77 77 77 RH 75 82 82 85 72 70 66 77 80 82 85 88 75 70 66 75 77 80 82 85 72 Wind dir NE N N NW W W SW SW SW SW S S S S S S S SE SE SE SE Wind spd 10 10 6 6 9 4 2 8 8 12 14 16 12 13 13 16 16 13 10 6 9 Clouds B2 B2 B2 B2 B2 B2 OV OV OV B2 OV OV B2 B2 OV OV B2 B2 B2 B2 B2 PoP 12hr 50 70 70 70 60 QPF 12hr 0.43 0.69 0.70 0.62 0.48 Rain shwrs C C C C C C L L L L L L L L L L C C C C L Tstms S S S S S S S S S S S S S S Heat index 95 95 92 90 99105105 98 94 92 90 88100105106 99 95 93 92 90 99 Max heat 99 95 99 106 104 94 100 107 104 93 99 Date 10/12 Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 80 91 79 91 82 90 81 90 Temp 91 84 82 87 91 84 82 87 91 85 83 86 90 84 82 86 90 84 Dewpt 76 77 76 76 77 77 76 77 76 76 76 77 77 77 77 78 78 77 PWind dir E E E E E SE S S S Wind char GN GN GN GN GN GN LT LT GN Avg clouds B1 SC SC SC FW FW CL FW SC FW CL FW SC SC SC SC SC SC PoP 12hr 60 40 20 20 20 20 20 20 40 Rain shwrs L C C C S S S S S S S S S S S C Tstms S S S $$ VIZ002-100815- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 508 PM AST Thu Oct 9 2025 Date 10/09/25 Fri 10/10/25 Sat 10/11/25 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 77 90 80 89 78 Temp 81 79 78 77 84 89 90 84 81 80 80 80 84 88 89 84 81 80 79 78 85 Dewpt 76 76 76 76 77 77 77 77 77 77 77 76 77 77 77 76 76 76 76 75 77 RH 85 91 94 97 80 68 66 80 88 91 91 88 80 70 68 77 85 88 91 91 77 Wind dir N N N W W SW SW S S S S S S S S S SE SE SE E E Wind spd 8 9 6 5 4 3 4 11 9 11 12 13 10 13 13 13 13 10 6 9 11 Clouds B2 B2 B2 B2 B2 B2 OV OV OV B2 OV OV B2 B2 OV OV B2 B2 B2 B2 B2 PoP 12hr 50 70 70 70 60 QPF 12hr 0.43 0.69 0.70 0.62 0.48 Rain shwrs C C C C C C L L L L L L L L L L C C C C L Tstms S S S S S S S S S S S S S S Heat index 88 94102103 94 88 86 86 86 94100102 93 87 85 95 Max heat 93 86 94 103 101 86 94 102 100 87 95 Date 10/12 Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 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 89 76 90 78 90 77 89 Temp 90 82 79 84 89 81 78 84 90 82 79 85 90 81 78 84 89 81 Dewpt 76 76 75 76 76 76 76 76 76 76 76 77 76 76 76 77 77 76 PWind dir E E E E E SE S S S Wind char GN GN GN GN GN LT LT LT GN Avg clouds B2 B2 B2 B1 FW FW CL FW SC FW CL FW SC SC SC SC SC SC PoP 12hr 60 60 20 10 10 10 20 20 20 Rain shwrs L L L L S S S S S S S S S S S S Tstms S S S S $$