San Rafael Airport Weather Forecast

    • 57
    • 86

    Increasing Clouds

    • 57
    • 83

    Mostly Cloudy

    • 56
    • 82

    Partly Sunny

    • 56
    • 85

    Mostly Sunny

    • 56
    • 84

    Partly Sunny

    • 56
    • 79

    Partly Sunny

    • 56
    • 81

    Partly Sunny

Today 19 Aug North Bay Interior Valleys

Sunny. Highs in the mid 70s to upper 80s. Southwest Winds 10 to 15 Mph.

Tonight 19 Aug North Bay Interior Valleys

Mostly clear in the evening then becoming partly cloudy. Patchy fog after midnight. Lows in the 50s. Southwest Winds 5 to 10 Mph.

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  • Temperature Real-Time

San Rafael Airport Temperature Statistics

August Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 10 August, 2026

    51.8 °F

  • Average August

    65.9 °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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