San Rafael Airport Weather Forecast

    • 51
    • 69

    Chance Rain Showers

    • 52
    • 71

    Slight Chance Rain Showers

    • 50
    • 69

    Partly Sunny

    • 50
    • 76

    Mostly Sunny

    • 52
    • 83

    Sunny

    • 53
    • 84

    Mostly Sunny

    • 54
    • 82

    Mostly Sunny

Today 27 May North Bay Interior Valleys

Partly cloudy late in the morning then becoming mostly cloudy. A slight chance of Showers in the afternoon. Highs in the 60s to lower 70s. Southwest Winds 5 to 10 Mph.

Tonight 27 May North Bay Interior Valleys

Mostly cloudy. A chance of Showers. Patchy fog after midnight. Lows in the upper 40s to mid 50s. South Winds 5 to 10 Mph. Becoming southeast after midnight.

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  • Temperature Real-Time

San Rafael Airport Temperature Statistics

May Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 4 May, 2026

    46.4 °F

  • Average May

    61.8 °F

  • Highest 19 May, 2026

    89.6 °F

Climate (2021–Present)

Novato / Gnoss Field (8.7 miles)

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  • Average Low 2021–2026

    46.8 °F

  • Average 2021–2026

    57.7 °F

  • Average High 2021–2026

    72.5 °F
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