Expires:202512260500;;201000 FPUS56 KMTR 251402 ZFPMTR San Francisco Bay Area/Central California Zone Forecast National Weather Service San Francisco Bay Area 601 AM PST Thu Dec 25 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. CAZ506-260500- North Bay Interior Valleys- 601 AM PST Thu Dec 25 2025 ...WIND ADVISORY IN EFFECT UNTIL 10 AM PST THIS MORNING... ...FLOOD WATCH IN EFFECT THROUGH FRIDAY EVENING... .TODAY...Breezy. Showers and a slight chance of thunderstorms. Some thunderstorms may be severe with damaging winds and heavy rainfall. Highs in the 40s to upper 50s. South winds 20 to 30 mph with gusts to around 45 mph. .TONIGHT...Breezy. Showers in the evening. A slight chance of thunderstorms. Rain after midnight. Some thunderstorms may be severe with damaging winds and heavy rainfall. Lows in the 40s to lower 50s. South winds 20 to 30 mph with gusts to around 45 mph. .FRIDAY...Rain in the morning, then a chance of rain in the afternoon. Highs in the 40s to upper 50s. South winds 10 to 20 mph. .FRIDAY NIGHT...Mostly cloudy. A chance of rain in the evening, then a slight chance of rain after midnight. Lows in the upper 30s to mid 40s. West winds 5 to 10 mph...becoming northwest after midnight. Chance of rain 50 percent. .SATURDAY...Mostly cloudy in the morning then becoming sunny. Patchy dense fog in the morning. A slight chance of rain in the morning. Highs in the 40s to mid 50s. North winds 5 to 10 mph. Chance of rain 20 percent. .SATURDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Areas of frost. Lows in the mid 30s to lower 40s. .SUNDAY...Mostly cloudy in the morning then becoming sunny. Highs in the 40s to mid 50s. .SUNDAY NIGHT AND MONDAY...Mostly clear. Areas of frost. Lows in the 30s to lower 40s. Highs in the upper 40s to lower 60s. .MONDAY NIGHT...Clear except for frost. Lows in the mid 30s to lower 40s. .TUESDAY...Sunny. Highs in the upper 40s to lower 60s. .TUESDAY NIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the mid 30s to lower 40s. .WEDNESDAY...Mostly cloudy. Highs in the upper 40s to lower 60s. && TEMPERATURE / PRECIPITATION Santa Rosa 52 45 52 / 100 100 90 San Rafael 56 50 55 / 100 100 90 Napa 53 47 52 / 100 100 90 $$