Point Forecast Matrices
Issued by NWS San Juan, PR
Issued by NWS San Juan, PR
Versions:
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411 FOCA52 TJSJ 100915 PFMSJU Point Forecast Matrices National Weather Service San Juan PR 515 AM AST Fri Oct 10 2025 PRZ001-102015- Luis Munoz Marin International Airport-San Juan 18.43N 66.00W Elev. 9 ft 515 AM AST Fri Oct 10 2025 Date Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 90 79 91 79 92 Temp 85 90 90 85 82 80 79 79 85 90 91 85 82 80 79 79 86 91 92 85 82 Dewpt 75 76 77 76 75 76 75 75 75 76 76 76 75 75 75 75 75 76 75 75 75 RH 72 64 66 75 79 88 88 88 72 64 62 75 79 85 88 88 70 62 58 72 79 Wind dir SW NW N NW SW S S S S S S S S S S SE SE SE E SE SE Wind spd 3 6 8 5 4 4 6 5 4 5 6 9 8 6 6 5 4 8 11 10 6 Clouds B1 B1 B1 OV B1 B2 B2 B1 SC SC B2 OV SC SC SC SC B2 B2 SC SC SC PoP 12hr 70 60 80 50 50 QPF 12hr 0.96 0.37 1.24 0.22 0.32 Rain shwrs C C C L C C L C C S C D C C C C C C C C C Tstms S S S S S Heat index 94101102 94 89 85 93101103 94 89 85 95103103 93 89 Max heat 94 102 102 87 93 103 102 87 95 104 102 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 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 92 79 91 78 92 78 92 Temp 79 86 92 82 79 85 91 82 79 86 92 82 78 84 90 82 Dewpt 74 75 75 74 74 74 75 74 74 74 75 75 74 74 75 75 PWind dir E E E E SE SE S S Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC SC CL FW SC B1 SC SC B1 B1 PoP 12hr 30 20 10 20 20 50 20 60 Rain shwrs C C S S S S S S S C C S S L L Tstms S S S S $$ PRZ002-102015- Roosevelt Roads Naval Airstation-Ceiba PR 18.25N 65.63W Elev. 39 ft 515 AM AST Fri Oct 10 2025 Date Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 89 76 90 77 90 Temp 84 89 89 84 82 80 79 78 85 89 90 85 82 81 80 79 85 89 90 84 82 Dewpt 78 77 77 78 77 76 75 76 77 78 78 78 76 76 76 76 77 77 76 76 76 RH 82 68 68 82 85 88 88 94 77 70 68 80 82 85 88 91 77 68 64 77 82 Wind dir W S S SW SW S SW S S S S S S S SE SE SE SE SE SE E Wind spd 5 6 8 6 4 9 11 10 9 10 9 11 9 9 8 6 6 8 9 8 9 Clouds B2 B1 B2 OV B2 B2 B2 B2 B1 B2 B2 OV B2 B2 B2 B2 B2 B2 SC SC SC PoP 12hr 70 60 60 50 50 QPF 12hr 1.03 0.51 0.98 0.52 0.31 Rain shwrs C C L L C C L L C C L L C C C C C C S S S Tstms S S S S S S S S S S S S S Heat index 94102102 95 90 86 95102104 96 89 88 86 95101102 93 89 Max heat 94 102 102 88 95 104 103 89 95 102 100 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 89 77 89 76 89 75 88 Temp 79 84 89 81 79 84 89 81 79 84 89 81 78 84 88 81 Dewpt 75 77 76 76 75 76 76 76 75 76 75 75 75 76 76 76 PWind dir E E E E E SE S S Wind char GN GN LT LT LT LT LT LT Avg clouds SC SC SC SC SC SC SC FW CL FW SC SC SC SC SC B1 PoP 12hr 30 30 20 20 30 30 20 50 Rain shwrs S C C S S S S S C C C S S C C Tstms S S $$ PRZ007-102015- Mercedita Airport-Ponce PR 18.02N 66.56W Elev. 26 ft 515 AM AST Fri Oct 10 2025 Date Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 90 77 90 Temp 84 89 89 83 80 78 77 77 84 89 90 84 81 79 78 77 84 89 90 83 80 Dewpt 71 72 73 73 73 73 73 73 73 72 71 73 72 72 72 72 72 72 72 73 72 RH 65 57 59 72 79 85 87 87 70 57 54 70 74 79 82 85 67 57 56 72 77 Wind dir N S SW SW N N N E NE S S S SE E E E E SE SE E E Wind spd 1 8 12 9 4 1 3 1 1 4 5 8 3 4 5 5 4 8 9 6 6 Clouds SC SC B1 OV B2 SC CL CL B1 B1 B2 B2 SC SC B1 B1 SC SC SC SC SC PoP 12hr 70 50 50 40 30 QPF 12hr 1.03 0.33 0.35 0.25 0.23 Rain shwrs S S C L C S C C C C C C C C S S S S C Tstms S S S S Heat index 89 96 97 89 84 90 96 96 90 85 90 96 97 89 84 Max heat 89 97 97 84 90 97 96 84 90 97 96 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 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 76 90 77 90 75 90 76 90 Temp 77 84 90 80 77 84 90 80 77 84 90 80 77 83 89 80 Dewpt 72 72 73 73 71 70 70 68 69 70 71 69 69 69 71 73 PWind dir NE E NE E E SE E S Wind char LT GN LT LT LT LT LT LT Avg clouds SC SC SC SC SC FW FW FW FW SC SC SC SC SC SC SC PoP 12hr 30 20 5 10 30 30 20 20 Rain shwrs C C S S S S S S C C S S S S S $$ PRZ008-102015- Rafael Hernandez Airport-Aguadilla PR 18.50N 67.13W Elev. 237 ft 515 AM AST Fri Oct 10 2025 Date Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 86 77 88 76 88 Temp 82 86 86 82 79 78 77 77 83 87 88 82 80 78 77 76 83 87 88 82 80 Dewpt 75 76 76 74 75 75 74 73 75 76 77 75 75 75 74 73 75 76 76 75 75 RH 79 72 72 77 88 91 90 87 77 70 70 79 85 91 90 90 77 70 68 79 85 Wind dir SE W W SW S S S S S SW SW S S SE SE SE SE SE E E E Wind spd 3 4 8 6 3 6 8 10 8 10 11 9 10 9 8 6 5 6 5 5 8 Clouds FW FW SC B1 CL SC SC SC SC SC SC SC SC SC SC SC SC SC OV OV B2 PoP 12hr 40 20 30 20 70 QPF 12hr 0.14 0.04 0.11 0.11 1.16 Rain shwrs S S C C S S S S S S C S S S S S S L L L Tstms S S S Heat index 89 96 96 88 90 98100 88 85 90 98 99 88 85 Max heat 89 96 95 90 100 97 90 99 97 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 76 87 77 88 75 88 76 88 Temp 77 82 87 79 77 83 88 80 77 83 88 80 77 82 87 80 Dewpt 74 74 76 75 74 75 75 74 73 74 75 74 74 74 76 74 PWind dir E E E E SE S S SW Wind char LT GN GN LT LT LT LT GN Avg clouds B2 B1 SC B1 B1 SC SC B2 SC SC SC B1 SC SC SC SC PoP 12hr 60 50 40 60 30 50 10 20 Rain shwrs L L C C C C L L C C C C S S S S Tstms S S S S S S S S $$ PRZ010-102015- Eugenio Maria de Hosto Airport-Mayaguez PR 18.27N 67.15W Elev. 28 ft 515 AM AST Fri Oct 10 2025 Date Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 91 76 92 75 92 Temp 84 91 91 84 80 78 76 76 85 91 92 84 80 78 76 75 85 91 92 83 79 Dewpt 76 77 78 77 76 76 75 75 77 79 78 77 76 76 75 74 77 78 79 77 76 RH 77 64 66 80 88 94 97 97 77 68 64 80 88 94 97 97 77 66 66 82 91 Wind dir E SW SW SW S SE SE SE SE S S S SE SE SE SE SE SE SE SE E Wind spd 4 4 8 5 3 5 6 8 8 11 11 11 11 10 9 8 6 3 3 2 2 Clouds FW SC SC B2 FW FW CL FW SC SC SC SC SC SC B1 B1 SC SC OV OV B2 PoP 12hr 50 10 30 40 70 QPF 12hr 0.34 0.03 0.17 0.24 1.17 Rain shwrs S C C S S S S C S S C C S S L L L Tstms S S S S Heat index 93105106 94 86 95107107 94 85 96106108 92 Max heat 93 106 104 95 108 104 96 108 105 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 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 92 75 92 73 92 74 93 Temp 75 84 92 79 75 84 92 79 75 84 92 79 75 84 92 79 Dewpt 74 75 78 76 74 75 77 76 74 75 77 75 74 76 77 76 PWind dir E E E SE E S SE S Wind char LT LT LT LT LT LT LT GN Avg clouds B2 B1 SC B2 B2 SC FW B1 SC SC SC SC SC SC SC SC PoP 12hr 60 60 50 50 30 30 10 20 Rain shwrs L L L L C C C C C C C C S S S S Tstms S S S S S S $$ VIZ001-102015- CYRIL E. King Airport-St Thomas USVI 18.33N 64.97W Elev. 23 ft 515 AM AST Fri Oct 10 2025 Date Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 AST 3hrly 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 90 81 91 78 91 Temp 87 90 90 86 84 83 82 81 87 90 91 87 85 84 83 82 87 90 91 86 84 Dewpt 78 79 78 78 77 78 77 78 78 79 78 78 77 77 77 77 77 77 77 76 76 RH 75 70 68 77 80 85 85 91 75 70 66 75 77 80 82 85 72 66 64 72 77 Wind dir SW SW S SW SW S SW SW S S S S SE S SE SE SE SE SE E E Wind spd 12 14 14 16 14 16 16 17 17 14 16 13 11 12 12 10 10 11 12 12 13 Clouds B2 B2 OV B2 B2 B2 OV OV B2 B2 OV B2 B2 B2 B2 B2 B2 B2 SC SC SC PoP 12hr 70 70 70 60 60 QPF 12hr 0.65 0.78 0.65 0.53 0.34 Rain shwrs C C L L L L L L L L L L C C C C L L S S S Tstms S S S S S S S S S S S S S S Heat index 100106105 99 94 93 90 89100105106100 95 94 92 90 99103105 96 93 Max heat 100 106 105 94 100 107 105 94 99 105 103 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 AST 6hrly 02 08 14 20 02 08 14 20 02 08 14 20 02 08 14 20 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 80 91 79 91 82 90 81 90 Temp 82 87 91 84 82 87 91 85 83 86 90 84 82 86 90 84 Dewpt 76 77 77 77 76 77 76 76 76 76 76 76 76 77 77 76 PWind dir E E E E E SE S S Wind char GN GN GN GN GN LT LT GN Avg clouds SC SC SC SC SC SC SC FW CL FW SC SC SC SC SC SC PoP 12hr 10 10 20 20 20 20 20 20 Rain shwrs S S S S S S S S S S S S S S S $$ VIZ002-102015- Henry E. Rohlsen Airport-St Croix USVI 17.70N 64.80W Elev. 74 ft 515 AM AST Fri Oct 10 2025 Date Fri 10/10/25 Sat 10/11/25 Sun 10/12/25 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 80 89 78 90 Temp 84 89 89 84 81 80 80 80 84 88 89 84 81 80 79 78 85 89 90 84 82 Dewpt 78 77 77 77 77 77 77 77 78 77 78 77 76 76 76 76 76 76 76 75 76 RH 82 68 68 80 88 91 91 91 82 70 70 80 85 88 91 94 75 66 64 74 82 Wind dir SW SW SW SW SW S S S S S S SE SE SE SE E E E E E E Wind spd 9 11 13 13 13 14 13 14 14 14 11 8 10 11 9 6 8 8 10 10 12 Clouds B2 B2 OV OV OV B2 OV OV B2 B2 OV OV B2 B2 B2 B2 B2 B2 B2 B2 SC PoP 12hr 70 70 70 60 60 QPF 12hr 0.67 0.78 0.65 0.53 0.49 Rain shwrs C C L L L L L L L L L L C C C C L L L L S Tstms S S S S S S S S S S S S S S S S Heat index 94102102 94 88 86 86 86 94100102 93 87 86 94100101 92 89 Max heat 94 102 102 86 94 102 101 87 94 102 100 Date Mon 10/13/25 Tue 10/14/25 Wed 10/15/25 Thu 10/16/25 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 76 89 76 90 78 90 77 89 Temp 79 84 89 81 78 84 90 82 79 85 90 81 78 84 89 81 Dewpt 75 76 76 76 76 77 76 74 75 76 77 75 75 76 77 76 PWind dir E E E E E SE S S Wind char GN GN GN GN GN LT LT GN Avg clouds SC SC SC SC SC SC SC FW CL FW SC SC SC SC SC SC PoP 12hr 30 30 10 10 10 20 20 20 Rain shwrs S C C S S S S S S S S S S S S $$