Expires:202405190400;;423759 FPUS56 KMTR 181301 ZFPMTR San Francisco Bay Area/Central California Zone Forecast National Weather Service San Francisco Bay Area 601 AM PDT Sat May 18 2024 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. CAZ506-190400- North Bay Interior Valleys- 601 AM PDT Sat May 18 2024 .TODAY...Partly cloudy in the morning then becoming sunny. Patchy fog in the morning. Highs in the 60s to 70s. Southwest winds 5 to 10 mph increasing to 10 to 20 mph in the afternoon. .TONIGHT...Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the mid 40s to lower 50s. Southwest winds 5 to 15 mph. .SUNDAY...Sunny. Highs in the upper 60s to lower 80s. West winds up to 5 mph increasing to 10 to 15 mph in the afternoon. .SUNDAY NIGHT...Clear. Lows in the 40s to mid 50s. West winds 10 to 20 mph. .MONDAY...Sunny. Highs in the upper 60s to lower 80s. Northwest winds 5 to 10 mph. .MONDAY NIGHT...Clear. Lows in the 40s to upper 50s. .TUESDAY...Sunny. Highs in the lower 70s to mid 80s. .TUESDAY NIGHT THROUGH THURSDAY NIGHT...Mostly clear. Lows in the 40s to mid 50s. Highs in the upper 60s to lower 80s. .FRIDAY...Partly cloudy. Highs in the 60s to 70s. && TEMPERATURE / PRECIPITATION Santa Rosa 74 45 81 / San Rafael 69 48 74 / Napa 71 48 74 / $$