Expires:202512220200;;966747 FPUS56 KMTR 211103 ZFPMTR San Francisco Bay Area/Central California Zone Forecast National Weather Service San Francisco Bay Area 302 AM PST Sun Dec 21 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. CAZ509-220200- San Francisco Peninsula Coast- 302 AM PST Sun Dec 21 2025 .REST OF TONIGHT...Rain likely. Lows in the mid 50s. South winds 10 to 20 mph. .SUNDAY...Breezy. Rain in the morning, then showers and a slight chance of thunderstorms in the afternoon. Highs in the lower 60s. South winds 10 to 20 mph increasing to 20 to 30 mph in the afternoon. .SUNDAY NIGHT...Breezy. Showers and a slight chance of thunderstorms in the evening, then rain after midnight. Lows in the lower 50s. South winds 20 to 30 mph decreasing to 10 to 20 mph after midnight. .MONDAY...Rain. Highs around 60. Southwest winds 5 to 15 mph. .MONDAY NIGHT...Patchy fog. Rain. Lows around 50. North winds around 5 mph...becoming southeast after midnight. .TUESDAY...Rain. Highs in the lower 60s. .TUESDAY NIGHT...Rain. Lows in the upper 40s. .WEDNESDAY...Rain. Highs around 60. .WEDNESDAY NIGHT THROUGH FRIDAY...Breezy, rain. Lows around 50. Highs in the upper 50s. .FRIDAY NIGHT...Rain likely. Lows in the upper 40s. .SATURDAY...Mostly cloudy. A chance of rain. Highs in the upper 50s. $$