San Rafael Airport Weather Forecast

    • 56
    • 89

    Sunny

    • 54
    • 91

    Mostly Sunny

    • 51
    • 84

    Mostly Sunny

    • 51
    • 80

    Mostly Sunny

    • 51
    • 71

    Partly Sunny

    • 51
    • 69

    Partly Sunny

Today 18 May North Bay Interior Valleys

Sunny. Highs in the upper 70s to lower 90s. North Winds 10 to 20 Mph.

Tonight 18 May North Bay Interior Valleys

Clear. Lows in the 50s to lower 60s. Northwest Winds 5 to 15 Mph.

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San Rafael Airport Temperature Statistics

May Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    60.5 °F

  • Highest 11 May, 2026

    86 °F

Climate (2021–Present)

Novato / Gnoss Field (8.7 miles)

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  • Average Low 2021–2026

    46.7 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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