San Rafael Airport Weather Forecast

    • 54
    • 79

    Mostly Sunny

    • 55
    • 86

    Mostly Sunny

    • 55
    • 82

    Mostly Sunny

    • 55
    • 79

    Mostly Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 83

    Mostly Sunny

Today 13 Sep North Bay Interior Valleys

Sunny. Highs in the upper 60s to mid 80s. Northwest Winds 10 to 20 Mph.

Tonight 13 Sep North Bay Interior Valleys

Mostly clear. Lows in the 50s. Northwest Winds 10 to 20 Mph. Becoming 5 to 10 Mph after midnight.

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San Rafael Airport Temperature Statistics

September Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 6 September, 2026

    48.2 °F

  • Average September

    68.1 °F

  • Highest 9 September, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (8.7 miles)

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  • Average Low 2021–2026

    47 °F

  • Average 2021–2026

    57.8 °F

  • Average High 2021–2026

    72.5 °F
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