San Francisco Bay - Richmond San Rafael Bridge Weather Forecast
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Rain
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Rain
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Rain
Today 19 Dec North Bay Interior Valleys
Rain. Highs in the mid to upper 50s. South Winds 10 to 20 Mph.
Tonight 19 Dec North Bay Interior Valleys
Patchy fog. Rain in the evening. A chance of rain after midnight. Lows in the upper 40s to mid 50s. Southwest Winds 5 to 15 Mph.
San Francisco Bay - Richmond San Rafael Bridge Temperature Statistics
December Temperature
Novato / Gnoss Field (14.9 miles)
Lowest 2 December, 2025
37.4 °FAverage December
46.3 °FHighest 3 December, 2025
71.6 °F
Climate (2020–Present)
Novato / Gnoss Field (14.9 miles)
Average Low 2020–2025
46.2 °FAverage 2020–2025
57.4 °FAverage High 2020–2025
72.3 °F