Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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002 FOCA52 TJSJ 012103 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 503 PM AST Wed Oct 1 2025 PRZ001-020800- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 503 PM AST Wed Oct 1 2025 Date 10/01/25 Thu 10/02/25 Fri 10/03/25 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 91 77 90 77 Temp 82 80 78 77 85 90 91 84 81 79 78 77 84 89 90 84 81 79 78 77 84 Dewpt 74 75 74 73 73 74 75 75 74 74 74 73 74 74 75 75 74 74 74 73 74 RH 77 85 88 87 67 60 60 74 79 85 88 87 72 61 62 74 79 85 88 87 72 Wind dir S SW S S S NE NE NE NW SW N N W N NE NE E E N N E Wind spd 5 4 3 2 3 5 9 4 1 1 1 2 1 4 8 6 4 3 2 3 3 Clouds FW CL CL SC FW FW SC SC CL SC B1 SC SC SC FW FW CL CL SC SC SC PoP 12hr 30 10 40 20 30 QPF 12hr 0.03 0.02 0.06 0.02 0.07 Rain shwrs C S S S S C C S S S S C C C Heat index 88 85 92 99102 92 87 83 92 98100 91 86 83 91 Max heat 93 87 92 102 100 85 92 100 99 85 91 Date 10/04 Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 10/08/25 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 78 90 78 91 77 91 Temp 89 81 78 84 90 82 79 85 90 82 79 85 91 81 78 85 91 82 Dewpt 76 74 74 74 76 75 74 74 75 74 74 74 75 75 75 75 76 75 PWind dir E SE E E E E E SE E Wind char GN LT GN LT GN LT GN LT GN Avg clouds SC SC FW SC B1 B2 B1 B1 B2 B2 B2 B2 B2 B1 SC SC SC B1 PoP 12hr 30 30 60 60 60 60 60 10 60 Rain shwrs C S C L L C L L C C L L C S S L L Tstms S S S S S S S S $$ PRZ002-020800- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 503 PM AST Wed Oct 1 2025 Date 10/01/25 Thu 10/02/25 Fri 10/03/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 78 89 77 89 77 Temp 81 80 79 78 84 88 89 83 81 79 78 77 84 88 89 83 81 79 78 77 84 Dewpt 76 75 74 74 76 76 75 76 75 75 74 75 76 76 75 76 75 74 74 75 76 RH 85 85 85 88 77 68 64 80 82 88 88 94 77 68 64 80 82 85 88 94 77 Wind dir S S N NE SE SE SE SE NE NE N NW N NE NE NE NE NE NE NE E Wind spd 5 2 1 2 4 6 5 4 1 1 2 3 2 5 6 5 5 4 4 4 5 Clouds SC CL SC SC FW SC SC CL CL SC SC SC SC SC B2 B2 CL CL SC SC B1 PoP 12hr 30 30 30 50 40 QPF 12hr 0.06 0.05 0.05 0.64 0.08 Rain shwrs S S C C S S C C S S C C C C C Tstms S S Heat index 87 85 93 99 99 91 86 83 92 99 99 91 86 83 92 Max heat 93 87 93 100 98 85 92 99 98 85 92 Date 10/04 Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 10/08/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 89 78 89 78 89 78 89 79 89 Temp 89 81 79 84 89 81 79 84 89 81 79 84 89 82 80 85 89 82 Dewpt 76 75 75 76 76 75 75 76 76 75 75 76 75 75 75 76 77 76 PWind dir E E E E E E E E SE Wind char LT LT LT LT GN LT LT LT GN Avg clouds B1 SC SC B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 40 40 60 60 60 60 60 50 50 Rain shwrs C C C C L L L L L L L L L C C C C C Tstms S S S S S S S S S $$ PRZ007-020800- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 503 PM AST Wed Oct 1 2025 Date 10/01/25 Thu 10/02/25 Fri 10/03/25 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 90 74 90 74 Temp 80 78 76 75 83 89 90 82 79 77 75 74 83 89 90 82 79 77 75 74 82 Dewpt 73 74 72 71 74 76 77 76 75 74 72 72 74 76 77 76 76 74 73 72 74 RH 79 88 87 87 74 66 66 82 88 90 90 93 74 66 66 82 91 90 94 93 77 Wind dir NE N N N NE SE S SE N N N N N S S S NE N N N NE Wind spd 2 3 3 3 2 5 6 3 2 3 3 3 2 5 8 3 2 3 3 3 2 Clouds FW CL CL SC CL FW SC SC CL CL CL FW CL CL SC SC FW FW CL CL CL PoP 12hr 10 20 0 20 10 QPF 12hr 0.01 0.02 0 0.02 0.01 Rain shwrs S S S S S S S Heat index 84 90100103 90 90100103 90 89 Max heat 88 90 103 101 90 103 101 89 Date 10/04 Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 10/08/25 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 75 90 76 90 76 89 76 89 Temp 89 79 76 83 90 80 77 84 90 80 77 83 89 80 77 83 89 80 Dewpt 77 76 73 75 78 75 73 75 77 76 73 74 78 76 73 75 78 77 PWind dir E NE E NE E NE E NE E Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW SC SC FW FW SC B1 SC SC SC SC FW FW SC SC PoP 12hr 30 5 30 5 50 10 40 10 50 Rain shwrs C C C C C C S S C C S C C $$ PRZ008-020800- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 503 PM AST Wed Oct 1 2025 Date 10/01/25 Thu 10/02/25 Fri 10/03/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 76 87 76 87 75 Temp 80 78 77 76 82 86 87 82 79 78 77 76 82 86 87 81 79 77 76 75 82 Dewpt 74 75 74 72 75 75 75 74 74 74 73 72 74 74 74 73 74 74 73 72 74 RH 82 91 90 87 79 70 68 77 85 88 87 87 77 68 65 77 85 90 90 90 77 Wind dir E SE SE SE SE NW NW N E E E E E NE N NE E E E E E Wind spd 3 2 2 3 3 3 8 4 4 4 4 5 6 6 9 10 9 8 6 6 6 Clouds SC CL CL FW CL FW CL OV B1 SC FW FW FW FW FW FW CL CL FW FW CL PoP 12hr 5 80 40 5 10 QPF 12hr 0.01 0.51 0.04 0.01 0.01 Rain shwrs S D C S S S S S Tstms S S Heat index 84 89 95 96 87 83 88 94 95 86 88 Max heat 88 89 96 95 88 95 94 88 Date 10/04 Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 10/08/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 87 75 87 76 88 76 87 76 88 Temp 87 79 76 82 87 79 77 83 88 80 77 82 87 79 77 83 88 79 Dewpt 74 74 73 74 76 74 74 74 75 74 74 74 75 75 74 74 75 75 PWind dir NE E E E E E E E E Wind char GN GN GN GN GN GN LT LT LT Avg clouds FW SC SC FW SC B1 FW FW SC B1 SC SC SC SC SC SC SC B1 PoP 12hr 20 5 50 10 50 10 40 10 60 Rain shwrs S S S S C C S C C S S C C S S L L Tstms S S $$ PRZ010-020800- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 503 PM AST Wed Oct 1 2025 Date 10/01/25 Thu 10/02/25 Fri 10/03/25 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 74 92 74 93 74 Temp 80 77 75 74 84 91 92 83 79 77 75 74 85 91 93 84 80 77 75 74 84 Dewpt 76 75 74 74 76 76 78 76 75 74 74 73 76 76 77 76 75 74 74 73 75 RH 88 94 97100 77 62 64 80 88 90 97 97 75 62 60 77 85 90 97 97 74 Wind dir E E E E E SW W N NE NE NE E E NE NW N NE E E S E Wind spd 6 5 5 5 3 4 8 4 4 6 5 5 4 2 4 4 8 6 4 4 4 Clouds CL CL CL CL CL CL SC OV SC CL CL CL CL CL OV OV FW FW CL CL CL PoP 12hr 0 70 10 70 10 QPF 12hr 0 0.63 0.01 0.88 0.01 Rain shwrs C L S L L S S Tstms S S S Heat index 86 93103107 91 84 94104107 92 84 92 Max heat 93 93 107 105 94 107 105 92 Date 10/04 Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 10/08/25 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 93 73 92 74 93 Temp 92 79 75 84 92 79 75 85 93 79 74 84 92 79 75 85 93 80 Dewpt 76 75 74 75 78 75 74 75 77 76 74 75 78 75 74 76 78 76 PWind dir NE E NE E NE E SE E SE Wind char LT LT LT LT LT LT LT LT LT Avg clouds FW SC FW FW SC B1 FW FW SC B1 SC FW SC B1 FW FW SC B1 PoP 12hr 30 5 60 5 50 10 50 5 60 Rain shwrs C C L L C C S S C C S S L L Tstms S S S S $$ VIZ001-020800- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 503 PM AST Wed Oct 1 2025 Date 10/01/25 Thu 10/02/25 Fri 10/03/25 Sat AST 3hrly 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 UTC 3hrly 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 Min/Max 82 91 82 91 81 Temp 85 84 83 82 87 90 91 87 85 84 83 82 87 90 91 86 84 83 82 81 87 Dewpt 76 77 77 76 76 77 76 76 75 75 75 75 76 76 75 76 75 76 76 75 76 RH 75 80 82 82 70 66 62 70 72 74 77 79 70 64 60 72 74 80 82 82 70 Wind dir SE SE SE E SE SE SE E NE NE NE NE NE NE NE NE NE E E E E Wind spd 6 6 6 8 8 9 4 3 4 2 3 6 6 6 5 6 9 9 8 8 9 Clouds SC SC SC SC SC FW SC SC CL FW SC SC FW FW SC SC CL CL FW FW B1 PoP 12hr 20 20 30 20 40 QPF 12hr 0.06 0.02 0.03 0.03 0.04 Rain shwrs S S S S S S S S C S S S S S S S C Heat index 94 94 92 89 98104103 97 93 91 90 89 98102102 96 92 91 89 87 97 Max heat 99 94 98 104 102 92 98 102 101 91 97 Date 10/04 Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 10/08/25 AST 6hrly 14 20 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 18 00 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Max/Min 91 82 91 81 90 81 91 82 91 Temp 91 85 83 87 91 84 82 86 90 84 82 87 91 85 83 87 91 85 Dewpt 76 75 76 76 76 76 76 76 76 76 76 76 76 76 77 76 77 77 PWind dir E E E E E E E E SE Wind char GN GN GN GN GN GN GN GN GN Avg clouds B1 B1 B2 B1 B1 B1 B2 B2 B2 B2 B2 B2 B2 B2 B2 B1 B1 B1 PoP 12hr 50 50 60 60 60 60 60 50 40 Rain shwrs C C C C C L L L L L L L L C C C C C Tstms S S S S S S S S $$ VIZ002-020800- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 503 PM AST Wed Oct 1 2025 Date 10/01/25 Thu 10/02/25 Fri 10/03/25 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 77 90 77 Temp 81 79 78 77 84 89 90 84 81 79 78 77 84 89 90 84 81 79 78 77 84 Dewpt 76 75 75 75 76 76 76 76 75 74 74 75 76 76 75 75 74 74 75 75 76 RH 85 88 91 94 77 66 64 77 82 85 88 94 77 66 62 74 79 85 91 94 77 Wind dir SE E E E E SE SE SE NE NE NE NE NE NE E NE NE E E E E Wind spd 3 3 4 5 8 9 6 2 3 2 3 6 5 8 6 8 8 8 6 8 9 Clouds SC SC SC SC SC SC SC SC SC CL SC SC FW FW SC SC CL CL FW FW SC PoP 12hr 30 30 10 20 30 QPF 12hr 0.09 0.05 0.02 0.03 0.04 Rain shwrs S C C S C S S S S S S S S S S S S C Heat index 87 93100101 92 87 83 93100100 91 86 83 92 Max heat 93 86 93 102 100 85 93 101 99 85 92 Date 10/04 Sun 10/05/25 Mon 10/06/25 Tue 10/07/25 Wed 10/08/25 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 78 90 77 90 77 90 Temp 89 81 78 84 90 82 79 85 90 81 78 84 90 81 78 84 90 81 Dewpt 76 74 75 76 76 75 75 76 76 75 75 76 75 75 75 76 77 76 PWind dir E E E E E E E E SE Wind char GN GN GN GN GN GN GN GN GN Avg clouds SC B1 B1 B1 B1 B1 B2 B1 B1 B2 B2 B1 SC SC B2 B1 SC SC PoP 12hr 40 40 50 50 60 60 50 50 50 Rain shwrs C C C C C C C C L L L L S C C C C C Tstms S S S S $$