San Rafael Airport Weather Forecast

    • 54
    • 81

    Becoming Sunny

    • 56
    • 90

    Sunny

    • 56
    • 94

    Sunny

    • 56
    • 89

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

    • 57
    • 87

    Mostly Sunny

Today 28 Sep North Bay Interior Valleys

Sunny. Patchy fog in the morning. Highs in the lower 70s to mid 80s. Southwest Winds up to 5 Mph increasing to west 10 to 15 Mph in the afternoon.

Tonight 28 Sep North Bay Interior Valleys

Mostly clear. Lows in the 50s to lower 60s. West Winds 10 to 15 Mph. Becoming northwest up to 5 Mph after midnight.

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  • Temperature Forecast NOAA

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San Rafael Airport Temperature Statistics

September Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 6 September, 2026

    48.2 °F
  • Average September

    65.7 °F
  • Highest 9 September, 2026

    100.4 °F

Climate (2021–2026)

Novato / Gnoss Field (8.7 miles)

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  • Average Low 2021–2026

    47 °F
  • Average 2021–2026

    57.8 °F
  • Average High 2021–2026

    72.4 °F
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