Expires:202512280900;;326447 FPUS56 KMTR 271802 ZFPMTR San Francisco Bay Area/Central California Zone Forecast National Weather Service San Francisco Bay Area 1001 AM PST Sat Dec 27 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. CAZ504-280900- North Bay Interior Mountains- 1001 AM PST Sat Dec 27 2025 .REST OF TODAY...Sunny. Highs in the upper 40s. North winds 5 to 10 mph. .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Lows around 40. North winds around 5 mph. .SUNDAY...Sunny. Highs in the upper 40s to mid 50s. Northeast winds around 5 mph. .SUNDAY NIGHT...Clear. Lows in the lower 40s. North winds 5 to 10 mph. .MONDAY...Sunny. Highs in the 50s. Northeast winds 5 to 10 mph. .MONDAY NIGHT...Clear. Lows in the upper 30s to mid 40s. .TUESDAY...Sunny. Highs in the 50s. .TUESDAY NIGHT...Mostly clear. Lows in the lower to mid 40s. .WEDNESDAY...Partly cloudy. Highs in the 50s. .WEDNESDAY NIGHT...Partly cloudy in the evening then becoming mostly cloudy. A chance of rain. Lows in the mid 40s. .NEW YEARS DAY...Mostly cloudy. Patchy fog. A chance of rain. Highs in the lower 50s. .THURSDAY NIGHT...Rain likely. Lows in the mid 40s. .FRIDAY...Mostly cloudy. A chance of rain. Highs in the lower 50s. && TEMPERATURE / PRECIPITATION Lake Berryessa 51 40 52 / $$