Point Forecast Matrices
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
293 FOUS56 KMTR 181301 PFMMTR Point Forecast Matrices National Weather Service San Francisco Bay Area 601 AM PDT Tue Jun 18 2024 CAZ510-182300- Concord Airport-Contra Costa CA 37.99N 122.05W Elev. 23 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 87 53 81 54 84 Temp 63 78 85 84 74 62 56 54 58 69 77 77 67 59 56 54 58 70 80 81 Dewpt 44 42 39 38 40 44 46 48 49 49 48 49 48 49 49 50 49 50 50 49 RH 50 28 20 19 29 52 69 80 72 49 36 37 50 69 77 86 72 49 35 33 Wind dir SW NW W W S S S S S SW SW SW SW SW SW SW SW SW SW SW Wind spd 2 4 10 11 5 9 9 10 9 9 12 13 12 11 10 9 8 8 11 13 Wind gust 17 Clouds CL FW SC FW CL FW CL FW FW FW FW FW FW FW FW SC FW CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 92 57 94 57 87 55 87 Temp 60 55 76 89 65 58 80 90 66 57 75 84 62 56 74 84 Dewpt 51 51 52 52 51 52 53 51 50 51 52 51 50 50 50 49 PWind dir SW SW SW SW SW SW SW SW Wind char GN LT GN LT GN GN GN GN Avg clouds FW FW FW CL CL CL CL CL CL CL CL CL CL CL CL CL PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ508-182300- Hayward Airport-Alameda CA 37.66N 122.12W Elev. 46 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 54 70 55 73 Temp 61 71 75 71 62 58 55 54 58 62 68 66 60 58 56 55 58 64 71 69 Dewpt 47 47 47 48 47 48 48 49 49 50 51 53 51 51 50 51 50 51 52 52 RH 60 42 37 44 58 69 77 83 72 65 54 63 72 77 80 86 75 63 51 55 Wind dir S W W W W S S S SW W W W W SW SW SW SW SW W W Wind spd 2 6 11 12 8 4 4 4 6 10 11 13 10 9 6 5 5 6 11 13 Clouds FW SC SC FW FW SC SC SC B1 SC FW FW SC SC B1 B1 B1 FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 80 57 82 56 76 55 75 Temp 58 56 68 76 62 57 72 79 62 57 69 72 60 55 67 73 Dewpt 52 52 53 55 53 51 53 54 52 52 53 53 51 51 51 52 PWind dir SW W W W W SW SW SW Wind char GN LT LT LT GN GN GN GN Avg clouds FW SC SC CL CL FW FW CL CL FW FW CL CL FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ510-182300- Livermore Airport-Contra Costa CA 37.70N 121.84W Elev. 397 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 50 79 51 84 Temp 61 77 85 81 68 58 52 51 56 67 76 75 64 56 54 52 57 71 81 81 Dewpt 42 41 39 41 41 44 45 46 48 48 47 48 48 49 49 48 48 50 49 49 RH 49 28 20 24 37 59 77 83 74 50 36 38 56 77 83 86 72 47 33 33 Wind dir SW W W W SW SW SW SW SW W W W SW SW SW SW SW W W W Wind spd 1 4 11 11 9 5 6 5 8 9 12 13 12 10 6 5 4 5 9 12 Clouds FW FW SC FW CL FW FW FW FW FW FW FW FW FW FW SC FW CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 92 58 94 57 88 54 87 Temp 59 55 76 89 65 58 82 91 65 57 77 84 62 54 75 84 Dewpt 49 49 51 50 50 49 52 50 50 49 52 51 49 48 49 48 PWind dir SW W SW W SW SW SW W Wind char GN LT LT LT GN LT GN LT Avg clouds CL FW FW CL CL CL CL CL CL CL CL CL CL CL FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ513-182300- Moffett Field-Santa Clara CA 37.42N 122.05W Elev. 33 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 76 53 70 54 72 Temp 62 72 75 74 65 58 55 53 59 64 69 68 62 58 55 54 58 65 71 71 Dewpt 46 48 46 45 44 47 48 49 49 51 51 51 50 51 51 51 50 52 53 53 RH 56 42 36 35 46 67 77 86 69 63 53 54 65 77 86 90 75 63 53 53 Wind dir E N NW NW NW NE SE S N N N NW W W W SW SW W W W Wind spd 2 4 12 12 6 3 1 3 1 5 13 12 9 4 2 2 2 5 11 12 Wind gust 17 Clouds FW SC SC FW CL SC FW FW FW FW FW FW FW FW SC SC SC FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 55 77 58 80 57 75 55 75 Temp 59 55 68 76 63 58 74 79 63 57 71 74 61 55 69 74 Dewpt 52 52 55 56 54 53 56 56 53 53 55 54 51 51 52 53 PWind dir W W W W W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds FW FW FW CL CL FW FW CL CL FW FW CL CL FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ530-182300- Monterey Airport-Monterey CA 36.59N 121.85W Elev. 253 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 64 49 63 51 63 Temp 54 61 64 62 57 52 50 49 52 57 62 61 56 53 52 51 52 57 61 60 Dewpt 46 48 48 47 46 47 47 47 49 49 50 50 50 50 49 49 49 50 51 51 RH 74 62 56 58 67 83 89 93 89 75 65 67 80 89 89 93 89 77 70 72 Wind dir W W W W W SW SW SW W NW W W W W NW NW NW NW W W Wind spd 3 6 10 10 8 5 5 4 5 8 10 10 6 5 5 4 4 6 10 9 Clouds FW SC SC SC FW B1 B1 B2 B2 SC SC SC B1 B2 B2 B2 B2 B1 SC SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 66 53 68 53 65 51 64 Temp 54 52 59 63 55 53 62 65 56 53 60 63 54 51 59 63 Dewpt 50 49 51 52 51 49 53 53 51 51 52 52 50 49 51 51 PWind dir NW NW NW NW W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds B1 B2 B2 SC SC B1 B1 FW SC SC B1 SC SC SC B1 FW PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ506-182300- Napa Airport-Napa CA 38.21N 122.28W Elev. 33 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 80 48 74 49 75 Temp 58 72 79 78 67 57 51 50 55 63 71 71 62 55 51 50 54 63 72 73 Dewpt 45 47 47 45 46 47 46 46 49 50 53 53 51 52 50 49 50 52 55 55 RH 62 41 32 31 47 69 83 86 80 62 53 53 67 90 96 96 86 67 55 53 Wind dir S SW SW W SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW SW Wind spd 3 6 13 13 6 8 6 6 8 9 13 16 13 10 6 4 4 6 11 13 Clouds FW SC SC CL FW SC FW SC SC FW FW FW FW FW SC B1 SC FW FW CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Obvis PF Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 82 53 83 53 78 51 79 Temp 56 53 66 79 60 54 70 81 60 54 67 76 58 52 67 76 Dewpt 53 51 55 58 54 51 55 58 53 51 54 56 53 49 53 55 PWind dir SW SW SW SW SW SW SW SW Wind char GN LT GN LT GN GN GN GN Avg clouds FW SC SC CL CL FW SC CL CL FW FW CL CL FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ508-182300- Oakland Airport-Alameda CA 37.74N 122.20W Elev. 3 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 73 52 66 53 68 Temp 58 67 71 67 60 55 53 53 56 59 64 62 58 56 54 54 56 60 66 64 Dewpt 49 49 48 48 48 49 50 50 51 51 51 53 52 52 52 51 52 51 51 52 RH 72 52 44 50 64 80 89 89 83 75 63 72 80 86 93 90 86 72 58 65 Wind dir S W W W W S S SW SW SW W W W SW SW SW SW SW W W Wind spd 3 6 11 13 9 5 6 6 8 8 10 16 13 10 9 6 5 8 12 13 Clouds FW SC SC FW FW SC SC SC B2 SC FW SC SC SC B1 B2 B1 FW FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 54 73 54 76 55 70 53 71 Temp 56 55 63 70 58 55 67 72 58 55 64 68 57 53 63 69 Dewpt 54 53 53 54 53 52 53 54 53 53 53 53 53 51 51 52 PWind dir SW SW SW W SW SW SW SW Wind char GN LT GN LT GN GN GN GN Avg clouds SC B1 SC CL CL FW FW CL CL FW SC CL CL FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ528-182300- Salinas Airport-Monterey CA 36.67N 121.60W Elev. 82 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 70 49 66 50 67 Temp 54 68 68 65 57 52 50 49 52 60 64 62 56 53 52 50 52 61 65 63 Dewpt 45 48 48 48 46 47 46 47 49 49 49 51 50 50 49 49 49 50 51 52 RH 71 49 49 54 67 83 86 93 89 67 58 67 80 89 89 96 89 67 60 67 Wind dir NW NW W W W N N N NW W W W W W W W W W W W Wind spd 4 5 12 9 8 5 5 3 5 9 11 13 10 5 4 3 4 9 12 12 Wind gust 21 Clouds FW FW SC FW FW SC SC B2 B2 SC FW FW B1 B1 B2 B2 B2 SC FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Obvis PF Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 72 55 76 54 70 51 69 Temp 54 52 65 67 57 55 71 70 57 54 66 66 55 51 64 66 Dewpt 50 49 53 54 52 49 55 55 52 51 54 53 51 49 51 52 PWind dir W W NW NW W W W W Wind char LT LT LT LT LT LT LT LT Avg clouds SC B2 B1 FW FW SC SC FW FW SC SC FW FW SC SC FW PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ508-182300- San Francisco Airport-San Mateo CA 37.62N 122.38W Elev. 10 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 71 52 66 53 68 Temp 58 66 69 67 58 55 53 52 55 60 64 63 57 55 54 53 56 61 65 65 Dewpt 47 49 47 46 46 47 47 48 49 51 51 51 50 50 50 49 50 52 52 51 RH 67 54 45 47 64 74 80 86 80 72 63 65 77 83 86 86 80 72 63 60 Wind dir W W W W W W W W W W W W W W W W W W W W Wind spd 6 9 16 19 16 9 6 9 8 10 12 18 13 11 10 8 5 8 12 16 Wind gust 29 29 25 23 Clouds FW SC B1 FW FW FW SC SC B1 SC SC SC SC SC SC B1 B1 SC FW SC PoP 12hr 0 0 0 0 0 QPF 12hr 0 0.02 0 0 0 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 53 72 54 73 54 69 53 69 Temp 55 53 63 69 57 54 66 70 57 54 63 66 56 53 63 66 Dewpt 51 50 53 53 51 50 53 52 50 50 53 52 50 48 51 50 PWind dir W W SW W SW W W W Wind char GN LT GN LT GN GN GN GN Avg clouds SC SC SC FW FW FW FW CL CL FW FW FW CL FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ513-182300- San Jose Airport-Santa Clara CA 37.36N 121.92W Elev. 59 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 83 53 78 54 80 Temp 62 76 82 79 68 60 56 53 59 69 75 75 66 60 57 55 59 70 78 78 Dewpt 44 45 44 44 43 44 45 45 47 47 50 50 50 49 48 49 49 50 52 53 RH 52 33 26 29 40 55 66 74 64 45 41 41 56 67 72 80 69 49 40 42 Wind dir N NW NW NW N N W SW N N NW NW W W W SW SW W W NW Wind spd 1 5 11 13 8 2 3 3 0 4 11 13 10 5 4 3 4 4 9 12 Clouds FW FW SC FW CL FW FW FW FW FW FW FW FW FW FW SC FW CL CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 56 87 60 89 58 85 56 84 Temp 62 57 74 85 67 61 80 87 67 59 76 82 64 56 74 82 Dewpt 52 50 52 56 53 52 53 55 53 51 52 54 51 50 49 51 PWind dir W W W W W W W SW Wind char LT LT LT LT LT LT GN LT Avg clouds CL FW FW CL CL CL FW CL CL FW FW CL CL FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ506-182300- Santa Rosa Airport-Sonoma CA 38.52N 122.82W Elev. 125 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 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 88 47 83 47 85 Temp 58 77 86 84 70 57 50 47 54 69 81 78 65 54 49 47 52 70 82 81 Dewpt 43 44 40 39 38 41 42 44 47 48 53 52 50 49 48 47 48 52 56 54 RH 57 31 20 20 31 55 74 89 77 47 38 40 58 83 96100 86 53 41 39 Wind dir NW SW SW W NW S SE SE S S S SW SW W W W S S SW SW Wind spd 1 3 11 12 9 4 3 3 2 4 8 8 4 2 1 1 1 3 6 6 Wind gust 20 Clouds SC SC B1 CL FW FW FW SC SC FW FW FW FW FW SC B1 SC FW CL CL PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Obvis PF F Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 50 90 53 93 52 90 50 90 Temp 57 51 74 86 60 53 78 89 63 53 76 88 61 50 74 86 Dewpt 52 50 55 56 53 51 56 56 52 49 55 54 50 48 53 53 PWind dir SW S SW S W SW W SW Wind char LT LT LT LT LT LT LT LT Avg clouds FW SC SC CL CL FW SC CL CL FW FW CL CL FW FW CL PoP 12hr 0 0 0 0 0 0 0 0 $$ CAZ529-182300- Watsonville Airport-Santa Cruz CA 36.94N 121.79W Elev. 161 ft 601 AM PDT Tue Jun 18 2024 Date Tue 06/18/24 Wed 06/19/24 Thu 06/20/24 PDT 3hrly 02 05 08 11 14 17 20 23 02 05 08 11 14 17 20 23 02 05 08 11 14 17 UTC 3hrly 09 12 15 18 21 00 03 06 09 12 15 18 21 00 03 06 09 12 15 18 21 00 Max/Min 71 48 67 50 67 Temp 54 67 70 68 60 53 50 49 52 61 65 64 57 53 51 50 53 60 65 64 Dewpt 45 49 49 50 48 47 47 47 49 50 52 52 51 51 50 49 50 52 53 54 RH 71 52 47 52 64 80 89 93 89 67 63 65 80 93 96 96 89 75 65 70 Wind dir E SW SW W E E E NE E SW SW SW SW W W W SW SW W W Wind spd 1 5 6 5 6 4 3 2 1 6 9 10 5 2 2 1 2 5 9 8 Clouds FW SC SC SC FW SC SC B2 B1 SC FW FW SC B1 B2 B2 B2 SC FW FW PoP 12hr 0 0 0 0 0 QPF 12hr 0 0 0 0 0 Obvis PF F Date Fri 06/21/24 Sat 06/22/24 Sun 06/23/24 Mon 06/24/24 PDT 6hrly 23 05 11 17 23 05 11 17 23 05 11 17 23 05 11 17 UTC 6hrly 06 12 18 00 06 12 18 00 06 12 18 00 06 12 18 00 Min/Max 51 70 53 73 52 70 50 69 Temp 54 52 63 66 55 53 67 68 56 52 64 67 54 51 62 66 Dewpt 52 51 53 55 53 51 55 55 53 51 54 55 51 50 53 54 PWind dir SW SW SW SW SW SW SW SW Wind char LT LT LT LT LT LT LT LT Avg clouds SC B2 B1 FW SC B1 SC FW FW SC B1 FW FW SC B1 FW PoP 12hr 0 0 0 0 0 0 0 0 $$ Visit us at www.weather.gov/sanfrancisco Follow us on Facebook and Twitter at: www.facebook.com/nwsbayarea www.twitter.com/nwsbayarea