San Rafael Airport Weather Forecast

    • 54
    • 82

    Becoming Sunny

    • 54
    • 81

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

    • 56
    • 76

    Partly Sunny

    • 55
    • 78

    Partly Sunny

    • 56
    • 81

    Mostly Sunny

    • 56
    • 82

    Mostly Sunny

Today 28 Aug North Bay Interior Valleys

Sunny. A slight chance of Showers. Highs in the lower 70s to mid 80s. Southwest Winds 10 to 15 Mph.

Tonight 28 Aug North Bay Interior Valleys

Mostly clear. Lows in the upper 40s to mid 50s. Southwest Winds 5 to 15 Mph.

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San Rafael Airport Temperature Statistics

August Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 10 August, 2026

    51.8 °F

  • Average August

    66.1 °F

  • Highest 2 August, 2026

    98.6 °F

Climate (2021–2026)

Novato / Gnoss Field (8.7 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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