San Francisco Bay - Richmond San Rafael Bridge Weather Forecast

    • 59
    • 66

    Breezy

    • 58
    • 67

    Mostly Sunny

    • 58
    • 69

    Mostly Sunny

    • 58
    • 65

    Mostly Sunny

    • 58
    • 65

    Partly Sunny

    • 58
    • 66

    Mostly Sunny

Today 12 Sep North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Breezy. Highs in the lower 70s to mid 80s. West Winds 10 to 20 Mph increasing to 20 to 30 Mph in the afternoon.

Tonight 12 Sep North Bay Interior Valleys

Mostly clear. Breezy. Lows in the 40s to upper 50s. West Winds 20 to 30 Mph with Gusts to around 45 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Francisco Bay - Richmond San Rafael Bridge Temperature Statistics

September Temperature

Novato / Gnoss Field (14.9 miles)

  • Lowest 6 September, 2026

    48.2 °F

  • Average September

    67.2 °F

  • Highest 9 September, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (14.9 miles)

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  • Average Low 2021–2026

    46.9 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.5 °F
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