San Rafael Airport Weather Forecast

    • 56
    • 90

    Increasing Clouds

    • 56
    • 86

    Mostly Sunny

    • 57
    • 85

    Mostly Sunny

    • 58
    • 91

    Mostly Sunny

    • 59
    • 89

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

Today 4 Aug North Bay Interior Valleys

Sunny. Highs in the lower 80s to mid 90s. Southwest Winds 5 to 15 Mph.

Tonight 4 Aug North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Areas of fog after midnight. Lows in the upper 40s to lower 60s. Southwest Winds 5 to 15 Mph.

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San Rafael Airport Temperature Statistics

August Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 1 August, 2026

    53.6 °F

  • Average August

    70 °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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