San Rafael Airport Weather Forecast

    • 54
    • 88

    Mostly Sunny

    • 52
    • 73

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 52
    • 75

    Mostly Sunny

    • 52
    • 75

    Sunny

Today 31 May North Bay Interior Valleys

Sunny. Highs in the lower 80s to mid 90s. Southwest Winds 5 to 10 Mph increasing to 10 to 20 Mph in the afternoon.

Tonight 31 May North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Lows in the 50s. Southwest Winds 10 to 20 Mph.

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San Rafael Airport Temperature Statistics

May Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 10 May, 2025

    44.6 °F

  • Average May

    61 °F

  • Highest 9 May, 2025

    91.4 °F

Climate (2020–Present)

Novato / Gnoss Field (8.7 miles)

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  • Average Low 2020–2025

    46 °F

  • Average 2020–2025

    57.6 °F

  • Average High 2020–2025

    72.7 °F
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