| NWS Forecast for: North Bay Interior Valleys Issued by: National Weather Service San Francisco Bay Area/Monterey, CA Last Update: 1001 AM PST Sun Jan 18 2026 |  |
| Rest Of Today: Mostly cloudy late in the morning then becoming partly cloudy. Highs in the 50s to upper 60s. East winds 5 to 10 mph...becoming southeast in the afternoon. Tonight: Partly cloudy. Patchy dense fog. Lows in the 40s to lower 50s. North winds up to 5 mph. Martin Luther King Jr Day: Partly cloudy in the morning then becoming sunny. Patchy dense fog in the morning. Highs in the 50s to upper 60s. Northeast winds up to 5 mph...becoming south around 5 mph in the afternoon. Monday Night: Mostly clear in the evening then becoming partly cloudy. Patchy fog. Lows in the 30s to upper 40s. Northeast winds up to 5 mph. Tuesday: Partly cloudy. Patchy fog in the morning. Highs in the 50s to upper 60s. Northeast winds 5 to 10 mph. Tuesday Night: Partly cloudy in the evening then becoming mostly cloudy. Patchy fog. Lows in the 30s to upper 40s. Wednesday: Mostly cloudy. Highs in the upper 50s to mid 60s. Wednesday Night: Mostly cloudy. Patchy fog. Lows in the 40s. Thursday Through Saturday: Partly cloudy. Patchy fog. Highs in the 50s to mid 60s. Lows in the 30s to upper 40s. | |
| Zone Forecast: North Bay Interior Valleys | |
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