San Rafael Airport Weather Forecast

    • 46
    • 65

    Chance Rain Showers

    • 46
    • 67

    Becoming Sunny

    • 49
    • 68

    Mostly Cloudy

    • 47
    • 66

    Rain Showers Likely

    • 48
    • 70

    Partly Sunny

    • 47
    • 71

    Partly Sunny

    • 48
    • 75

    Mostly Sunny

Today 31 Oct North Bay Interior Valleys

Mostly clear. Lows in the 40s to lower 50s. Highs in the 60s to upper 70s.

Tonight 31 Oct North Bay Interior Valleys

Partly cloudy in the evening then becoming mostly cloudy. A slight chance of Showers in the Evening, then a chance of Showers after midnight. Patchy fog after midnight. Lows in the upper 30s to lower 50s. West Winds 5 to 10 Mph. Becoming north after midnight.

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San Rafael Airport Temperature Statistics

October Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 13 October, 2026

    42.8 °F

  • Average October

    61.5 °F

  • Highest 3 October, 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

    57.9 °F

  • Average High 2021–2026

    72.6 °F
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