![National Oceanic and Atmospheric Administration](/build/images/header/noaa.d87e0251.png)
![National Weather Service](/build/images/header/nws.4e6585d8.png)
![United States Department of Commerce](/build/images/header/doc.b38ba91a.png)
Zone Forecast Product
Issued by NWS San Francisco Bay Area, CA
Issued by NWS San Francisco Bay Area, CA
211 FPUS56 KMTR 211002 ZFPMTR San Francisco Bay Area/Central California Zone Forecast National Weather Service San Francisco Bay Area 301 AM PDT Fri Jun 21 2024 This is an automatically generated product that provides average values for large geographic areas. For a more site specific forecast...please visit weather.gov/sanfrancisco (1) Select a location from the drop down menu above the map... -- or -- (2) Click a location on the map. You can refine your selection by clicking on the map displayed on the resulting page. CAZ505-220100- Coastal North Bay...Including Point Reyes National Seashore- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Partly cloudy. Lows in the upper 40s. Northwest winds around 5 mph. .FRIDAY...Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s to 70s. West winds 5 to 10 mph. .FRIDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows in the upper 40s to mid 50s. West winds 5 to 10 mph. .SATURDAY...Sunny. Areas of fog in the morning. Highs in the mid 60s to lower 80s. West winds 5 to 10 mph. .SATURDAY NIGHT...Mostly clear except patchy fog after midnight. Lows around 50. Northwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs in the lower 60s to mid 70s. .SUNDAY NIGHT AND MONDAY...Mostly clear except patchy fog. Lows in the upper 40s. Highs in the 60s to lower 70s. .MONDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the upper 40s. .TUESDAY...Partly cloudy in the morning then becoming sunny. Patchy fog. Highs in the 60s to lower 70s. .TUESDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the lower 50s. Highs in the 60s to 70s. && TEMPERATURE / PRECIPITATION Point Reyes 47 70 49 75 / $$ CAZ503-220100- Sonoma Coastal Range- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Mostly clear. Lows in the mid 50s. Light winds. .FRIDAY...Sunny. Highs in the lower 90s. West winds 5 to 10 mph. .FRIDAY NIGHT...Clear. Lows around 60. Northwest winds around 5 mph in the evening...becoming light. .SATURDAY...Sunny. Highs in the mid 90s. West winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the mid 50s. Northwest winds around 5 mph in the evening...becoming light. .SUNDAY...Sunny. Highs in the upper 80s. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the lower 50s. Highs in the mid 80s. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the lower 50s. Highs in the mid 80s. .WEDNESDAY THROUGH THURSDAY...Clear. Highs in the mid 80s. Lows in the mid 50s. $$ CAZ502-220100- Marin Coastal Range- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Partly cloudy. Lows in the lower 50s. West winds 5 to 10 mph. .FRIDAY...Sunny. Highs around 80. Southwest winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds 5 to 10 mph. .SATURDAY...Sunny. Highs in the 80s. Southwest winds 5 to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows in the lower 50s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs in the 70s. .SUNDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the lower 50s. Highs in the 70s. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows in the mid 50s. Highs in the mid 70s. $$ CAZ506-220100- North Bay Interior Valleys- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Partly cloudy. Areas of fog. Lows in the 40s to upper 50s. South winds up to 5 mph. .FRIDAY...Sunny. Areas of fog in the morning. Highs in the upper 70s to lower 90s. South winds up to 5 mph increasing to southwest 10 to 15 mph in the afternoon. .FRIDAY NIGHT...Mostly clear except patchy fog after midnight. Lows in the lower 50s to mid 60s. Southwest winds 10 to 15 mph... becoming south up to 5 mph after midnight. .SATURDAY...Sunny. Highs in the 80s to 90s. South winds up to 5 mph increasing to southwest 10 to 15 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the upper 40s to lower 60s. Southwest winds 5 to 15 mph. .SUNDAY...Sunny. Highs in the mid 70s to lower 90s. .SUNDAY NIGHT...Mostly clear. Areas of fog. Lows in the 40s to mid 50s. .MONDAY...Sunny. Highs in the mid 70s to upper 80s. .MONDAY NIGHT...Mostly clear except patchy fog. Lows in the 40s to mid 50s. .TUESDAY THROUGH WEDNESDAY...Mostly clear. Highs in the mid 70s to lower 90s. Lows in the 40s to upper 50s. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows in the 40s to upper 50s. Highs in the mid 70s to upper 80s. && TEMPERATURE / PRECIPITATION Santa Rosa 47 92 53 98 / San Rafael 51 84 54 89 / Napa 50 86 54 93 / $$ CAZ504-220100- North Bay Interior Mountains- 301 AM PDT Fri Jun 21 2024 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY... .REST OF TONIGHT...Mostly clear. Lows in the upper 50s to mid 60s. Northwest winds around 5 mph. .FRIDAY...Sunny. Highs in the lower 80s to mid 90s. North winds up to 5 mph...becoming southwest in the afternoon. .FRIDAY NIGHT...Clear. Lows in the 60s to lower 70s. West winds around 5 mph...becoming northwest after midnight. .SATURDAY...Sunny. Highs mid 80s to 101. East winds around 5 mph...becoming southwest in the afternoon. .SATURDAY NIGHT...Clear. Lows in the upper 50s to mid 60s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs in the upper 70s to lower 90s. .SUNDAY NIGHT THROUGH THURSDAY...Clear. Lows in the mid 50s to lower 60s. Highs in the upper 70s to lower 90s. && TEMPERATURE / PRECIPITATION Lake Berryessa 57 95 66 99 / $$ CAZ006-220100- San Francisco- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Mostly cloudy. Patchy fog. Lows in the lower 50s. Southwest winds 5 to 10 mph. .FRIDAY...Mostly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the mid 50s to lower 70s. Southwest winds 5 to 10 mph. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog after midnight. Lows in the lower 50s. Southwest winds 5 to 10 mph. .SATURDAY...Partly cloudy in the morning then becoming sunny. Highs in the lower 60s to mid 70s. Southwest winds 5 to 10 mph. .SATURDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. Southwest winds 5 to 10 mph. .SUNDAY...Partly cloudy in the morning then becoming sunny. Highs in the mid 50s to upper 60s. .SUNDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. .MONDAY...Partly cloudy in the morning then becoming sunny. Highs in the mid 50s to upper 60s. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Partly cloudy. Lows in the lower 50s. Highs in the mid 50s to upper 60s. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the upper 50s to lower 70s. Lows in the mid 50s. && TEMPERATURE / PRECIPITATION San Francisco 51 68 53 74 / Ocean Beach 50 64 51 68 / $$ CAZ509-220100- San Francisco Peninsula Coast- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Cloudy. Areas of fog. Lows in the upper 40s. West winds around 5 mph. .FRIDAY...Mostly cloudy in the morning then becoming partly cloudy. Areas of fog in the morning. Highs in the mid 60s. West winds 5 to 10 mph. .FRIDAY NIGHT...Mostly cloudy. Patchy fog in the evening. Areas of fog after midnight. Lows around 50. West winds around 5 mph. .SATURDAY...Partly cloudy in the morning then becoming sunny. Highs around 70. West winds 5 to 10 mph. .SATURDAY NIGHT...Partly cloudy. Patchy fog after midnight. Lows around 50. West winds around 5 mph. .SUNDAY...Partly cloudy. Patchy fog. Highs in the mid 60s. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the upper 40s. .MONDAY...Partly cloudy. Patchy fog. Highs in the mid 60s. .MONDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the upper 40s. .TUESDAY...Mostly cloudy in the morning then becoming partly cloudy. Patchy fog. Highs in the mid 60s. .TUESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows around 50. .WEDNESDAY AND WEDNESDAY NIGHT...Partly cloudy. Patchy fog. Highs in the mid to upper 60s. Lows in the lower 50s. .THURSDAY...Partly cloudy in the morning then becoming sunny. Highs in the mid 60s. $$ CAZ508-220100- San Francisco Bay Shoreline- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Mostly cloudy. Lows in the mid 50s. Southwest winds 5 to 10 mph. .FRIDAY...Partly cloudy in the morning then becoming sunny. Highs in the 70s to lower 80s. West winds 5 to 15 mph. .FRIDAY NIGHT...Mostly clear. Lows in the mid to upper 50s. West winds 5 to 15 mph. .SATURDAY...Sunny. Highs in the upper 70s to lower 90s. West winds up to 5 mph increasing to 5 to 15 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the mid to upper 50s. Southwest winds 5 to 15 mph. .SUNDAY...Sunny. Highs in the 70s to lower 80s. .SUNDAY NIGHT THROUGH THURSDAY...Mostly clear. Lows in the mid 50s. Highs in the 70s to lower 80s. && TEMPERATURE / PRECIPITATION SFO Airport 52 71 54 77 / Oakland 53 76 55 83 / Fremont 53 81 59 90 / Redwood City 53 83 56 90 / Mountain View 54 77 59 84 / $$ CAZ510-220100- East Bay Interior Valleys- 301 AM PDT Fri Jun 21 2024 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY... .REST OF TONIGHT...Mostly clear. Lows in the mid 50s. West winds 5 to 10 mph. .FRIDAY...Sunny. Highs in the lower 90s. West winds 5 to 15 mph. .FRIDAY NIGHT...Clear. Lows around 60. West winds 5 to 10 mph. .SATURDAY...Sunny. Highs around 101. West winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 60s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs in the 80s to upper 90s. .SUNDAY NIGHT THROUGH THURSDAY...Clear. Lows in the mid 50s to lower 60s. Highs in the 80s to mid 90s. && TEMPERATURE / PRECIPITATION Concord 53 91 58 99 / Livermore 51 92 59 100 / $$ CAZ513-220100- Santa Clara Valley...including San Jose- 301 AM PDT Fri Jun 21 2024 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY... .REST OF TONIGHT...Partly cloudy. Lows in the mid 50s. South winds around 5 mph. .FRIDAY...Sunny. Highs in the mid 80s to lower 90s. Light winds... becoming northwest 5 to 15 mph in the afternoon. .FRIDAY NIGHT...Clear. Lows around 60. West winds 5 to 10 mph in the evening...becoming light. .SATURDAY...Sunny. Highs in the 90s. Light winds...becoming west 5 to 10 mph in the afternoon. .SATURDAY NIGHT...Clear. Lows around 60. Southwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs near 90. .SUNDAY NIGHT...Mostly clear. Lows in the upper 50s. .MONDAY...Sunny. Highs in the mid 80s to lower 90s. .MONDAY NIGHT THROUGH TUESDAY NIGHT...Mostly clear. Lows in the upper 50s. Highs in the mid 80s to lower 90s. .WEDNESDAY THROUGH THURSDAY...Clear. Highs in the mid 80s to lower 90s. Lows in the upper 50s. && TEMPERATURE / PRECIPITATION San Jose 55 86 61 93 / Morgan Hill 51 90 58 99 / $$ CAZ512-220100- Santa Cruz Mountains- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows in the 40s to upper 50s. Northwest winds around 5 mph. .FRIDAY...Sunny. Highs in the mid 70s to lower 80s. Southwest winds around 5 mph. .FRIDAY NIGHT...Mostly clear. Lows in the mid 50s to upper 60s. West winds up to 5 mph in the evening...becoming light. .SATURDAY...Sunny. Highs in the 80s to lower 90s. Southwest winds up to 5 mph. .SATURDAY NIGHT...Mostly clear. Lows in the 50s to lower 60s. Southwest winds up to 5 mph. .SUNDAY...Sunny. Highs in the 70s to lower 80s. .SUNDAY NIGHT THROUGH WEDNESDAY NIGHT...Mostly clear. Lows in the 40s to upper 50s. Highs in the 70s to lower 80s. .THURSDAY...Sunny. Highs in the upper 60s to lower 80s. $$ CAZ515-220100- East Bay Hills- 301 AM PDT Fri Jun 21 2024 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY... .REST OF TONIGHT...Mostly clear. Lows in the mid 50s. Southwest winds 10 to 15 mph. .FRIDAY...Sunny. Highs in the upper 80s. Southwest winds 5 to 10 mph. .FRIDAY NIGHT...Clear. Lows in the mid 60s. Southwest winds 5 to 10 mph. .SATURDAY...Sunny. Highs in the upper 90s. West winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the lower 60s. Southwest winds around 10 mph. .SUNDAY...Sunny. Highs in the upper 80s. .SUNDAY NIGHT AND MONDAY...Clear. Lows in the mid 50s. Highs in the mid 80s. .MONDAY NIGHT...Mostly clear. Lows in the mid 50s. .TUESDAY THROUGH THURSDAY...Clear. Highs in the mid 80s. Lows in the upper 50s. $$ CAZ514-220100- Eastern Santa Clara Hills- 301 AM PDT Fri Jun 21 2024 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY... .REST OF TONIGHT...Clear, haze. Lows in the 50s to mid 60s. West winds 5 to 10 mph. .FRIDAY...Sunny. Haze in the morning. Highs in the mid 80s. Northwest winds 5 to 10 mph. .FRIDAY NIGHT...Clear. Lows in the 60s to 70s. West winds 5 to 10 mph. .SATURDAY...Sunny. Highs in the lower 90s. Southwest winds around 5 mph. .SATURDAY NIGHT...Clear. Lows in the 60s to lower 70s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs in the upper 80s. .SUNDAY NIGHT THROUGH WEDNESDAY NIGHT...Clear. Lows in the 50s to upper 60s. Highs in the mid 80s. .THURSDAY...Sunny. Highs around 80. $$ CAZ529-220100- Northern Monterey Bay- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Mostly cloudy. Areas of fog. Lows around 50. Light winds. .FRIDAY...Mostly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the lower 70s. Light winds... becoming southwest 5 to 10 mph in the afternoon. .FRIDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the lower 50s. Southeast winds up to 5 mph in the evening...becoming light. .SATURDAY...Partly cloudy in the morning then becoming sunny. Highs around 80. Light winds...becoming southwest 5 to 10 mph in the afternoon. .SATURDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the lower 50s. Southwest winds up to 5 mph in the evening...becoming light. .SUNDAY...Partly cloudy in the morning then becoming sunny. Highs in the lower to mid 70s. .SUNDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the lower 50s. .MONDAY THROUGH TUESDAY NIGHT...Partly cloudy. Highs in the mid 70s. Lows in the lower 50s. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the mid to upper 70s. Lows in the lower 50s. && TEMPERATURE / PRECIPITATION Santa Cruz 50 74 53 81 / $$ CAZ530-220100- Southern Monterey Bay and Big Sur Coast- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Mostly cloudy. Patchy fog. Lows in the lower 50s. Northwest winds around 5 mph. .FRIDAY...Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s to mid 70s. Northwest winds 5 to 10 mph. .FRIDAY NIGHT...Partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening...becoming light. .SATURDAY...Sunny. Highs in the lower 70s to mid 80s. Northwest winds 5 to 10 mph. .SATURDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. Northwest winds around 5 mph in the evening...becoming light. .SUNDAY...Partly cloudy in the morning then becoming sunny. Highs in the upper 60s to mid 70s. .SUNDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. .MONDAY...Sunny. Highs in the 60s to mid 70s. .MONDAY NIGHT...Partly cloudy. Lows in the lower 50s. .TUESDAY...Sunny. Highs in the 60s to upper 70s. .TUESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. .WEDNESDAY THROUGH THURSDAY...Mostly clear. Highs in the mid 60s to upper 70s. Lows in the lower 50s. && TEMPERATURE / PRECIPITATION Monterey 50 66 54 72 / Big Sur 50 79 60 88 / $$ CAZ528-220100- Northern Salinas Valley...Hollister Valley...and Carmel Valley- 301 AM PDT Fri Jun 21 2024 .REST OF TONIGHT...Mostly cloudy. Patchy fog. Lows in the lower 50s. West winds around 5 mph. .FRIDAY...Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the upper 60s to lower 80s. Northwest winds 5 to 10 mph. .FRIDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the mid 50s. Northwest winds 5 to 10 mph in the evening...becoming light. .SATURDAY...Sunny. Highs in the upper 70s Salinas Valley and in the lower 90s Hollister Valley. West winds 5 to 10 mph. .SATURDAY NIGHT...Mostly clear. Lows in the mid 50s. West winds 5 to 10 mph in the evening...becoming light. .SUNDAY...Sunny. Highs in the lower 70s to mid 80s. .SUNDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Lows in the lower 50s. .MONDAY THROUGH THURSDAY...Mostly clear. Highs in the lower 70s to mid 80s. Lows in the mid 50s. && TEMPERATURE / PRECIPITATION Salinas 51 69 55 77 / Carmel Valley 48 82 57 93 / Hollister 49 82 56 92 / $$ CAZ516-220100- Southern Salinas Valley...Arroyo Seco...and Lake San Antonio- 301 AM PDT Fri Jun 21 2024 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY... .REST OF TONIGHT...Partly cloudy. Patchy fog. Lows around 50. Light winds. .FRIDAY...Sunny. Highs 90 to 100. Light winds...becoming northwest 5 to 10 mph in the afternoon. .FRIDAY NIGHT...Mostly clear. Lows in the upper 50s. Northwest winds 5 to 10 mph in the evening...becoming light. .SATURDAY...Sunny. Highs 97 to 104. Light winds...becoming southwest 5 to 10 mph in the afternoon. .SATURDAY NIGHT...Mostly clear. Lows in the upper 50s. West winds 5 to 10 mph in the evening...becoming light. .SUNDAY...Sunny. Highs in the mid 90s. .SUNDAY NIGHT THROUGH WEDNESDAY...Mostly clear. Lows in the mid 50s. Highs 91 to 100. .WEDNESDAY NIGHT AND THURSDAY...Clear. Lows in the upper 50s. Highs in the 80s to upper 90s. && TEMPERATURE / PRECIPITATION King City 49 90 58 97 / $$ CAZ517-220100- Santa Lucia Mountains and Los Padres National Forest- 301 AM PDT Fri Jun 21 2024 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY... .REST OF TONIGHT...Mostly clear. Haze. Lows in the upper 40s to lower 60s. North winds 5 to 10 mph. .FRIDAY...Sunny. Highs in the upper 70s to lower 90s. North winds 5 to 10 mph. .FRIDAY NIGHT...Clear. Lows in the upper 50s to mid 70s. Northwest winds 5 to 10 mph. .SATURDAY...Sunny. Highs in the 80s to 90s. Southwest winds 5 to 10 mph. .SATURDAY NIGHT...Clear. Lows in the mid 50s to upper 60s. West winds 5 to 10 mph...becoming south after midnight. .SUNDAY...Sunny. Highs in the upper 70s to lower 90s. .SUNDAY NIGHT THROUGH THURSDAY...Clear. Lows in the 50s to 60s. Highs in the upper 70s to lower 90s. $$ CAZ518-220100- Mountains of San Benito and Interior Monterey County including Pinnacles National Park- 301 AM PDT Fri Jun 21 2024 ...HEAT ADVISORY IN EFFECT FROM 11 AM TO 10 PM PDT SATURDAY... .REST OF TONIGHT...Mostly clear. Haze. Lows in the 50s to lower 60s. Northwest winds 5 to 10 mph. .FRIDAY...Sunny. Highs in the lower 80s to mid 90s. Northwest winds 5 to 10 mph. .FRIDAY NIGHT...Clear. Lows in the upper 50s to lower 70s. Northwest winds 5 to 10 mph. .SATURDAY...Sunny. Highs upper 80s to 104. South winds around 5 mph...becoming southwest in the afternoon. .SATURDAY NIGHT...Clear. Lows in the 50s to upper 60s. Southwest winds 5 to 10 mph. .SUNDAY...Sunny. Highs in the 80s to 90s. .SUNDAY NIGHT THROUGH THURSDAY...Clear. Lows in the mid 50s to upper 60s. Highs in the 80s to 90s. && TEMPERATURE / PRECIPITATION Pinnacles NP 48 98 59 106 / $$ Visit us at www.weather.gov/sanfrancisco Follow us on Facebook and Twitter at: www.facebook.com/nwsbayarea www.twitter.com/nwsbayarea