Expires:202512290900;;386365 FPUS56 KMTR 281802 ZFPMTR San Francisco Bay Area/Central California Zone Forecast National Weather Service San Francisco Bay Area 1001 AM PST Sun Dec 28 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. CAZ510-290900- East Bay Interior Valleys- 1001 AM PST Sun Dec 28 2025 .REST OF TODAY...Sunny. Highs in the lower 50s. Northeast winds around 5 mph. .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the upper 30s. Light winds...becoming northeast around 5 mph after midnight. .MONDAY...Partly cloudy in the morning then becoming sunny. Highs in the lower to mid 50s. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog. Areas of frost after midnight. Lows in the mid 30s. Light winds...becoming northeast around 5 mph after midnight. .TUESDAY...Mostly cloudy in the morning then becoming partly cloudy. Areas of frost and patchy fog in the morning. Highs in the upper 40s to mid 50s. Northeast winds 5 to 10 mph. .TUESDAY NIGHT...Mostly cloudy. Patchy fog. Lows in the upper 30s. .WEDNESDAY...Mostly cloudy. A slight chance of rain. Highs in the upper 40s to mid 50s. .WEDNESDAY NIGHT...Mostly cloudy. Patchy fog. A chance of rain. Lows in the mid 40s. .NEW YEARS DAY...Cloudy. A chance of rain. Highs in the lower 50s. .THURSDAY NIGHT...Rain likely. Lows in the upper 40s. .FRIDAY...Rain likely. Highs in the mid 50s. .FRIDAY NIGHT AND SATURDAY...Mostly cloudy. A chance of rain. Lows in the upper 40s. Highs in the mid 50s. && TEMPERATURE / PRECIPITATION Concord 54 38 53 / Livermore 54 35 55 / $$