Expires:202512101700;;306216 FPUS56 KMTR 100102 ZFPMTR San Francisco Bay Area/Central California Zone Forecast National Weather Service San Francisco Bay Area 501 PM PST Tue Dec 9 2025 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. CAZ510-101700- East Bay Interior Valleys- 501 PM PST Tue Dec 9 2025 .TONIGHT...Partly cloudy. Areas of fog in the evening. Lows in the lower 40s. Southeast winds around 5 mph. .WEDNESDAY...Partly cloudy. Patchy dense fog in the morning. Highs in the upper 40s to mid 50s. Northeast winds 5 to 10 mph. .WEDNESDAY NIGHT...Partly cloudy. Areas of fog. Lows in the lower 40s. Northeast winds up to 5 mph. .THURSDAY...Partly cloudy in the morning then becoming sunny. Areas of fog in the morning. Highs in the 50s. Northeast winds around 5 mph. .THURSDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the lower 40s. East winds around 5 mph. .FRIDAY...Partly cloudy. Highs in the mid 50s to lower 60s. .FRIDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the lower 40s. .SATURDAY AND SATURDAY NIGHT...Partly cloudy. Areas of fog. Highs in the mid 50s to lower 60s. Lows in the lower 40s. .SUNDAY...Mostly cloudy in the morning then becoming partly cloudy. Areas of fog. Highs in the upper 50s. .SUNDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the mid 40s. .MONDAY...Mostly cloudy. Patchy fog. A slight chance of rain. Highs in the mid 50s to lower 60s. .MONDAY NIGHT...Mostly cloudy. Patchy fog. A chance of rain. Lows in the upper 40s. .TUESDAY...Mostly cloudy. Patchy fog. A slight chance of rain. Highs in the lower 60s. && TEMPERATURE / PRECIPITATION Concord 42 51 41 55 / Livermore 41 55 42 58 / $$