San Rafael Airport Weather Forecast

    • 50
    • 76

    Increasing Clouds

    • 51
    • 70

    Chance Rain Showers

    • 52
    • 66

    Rain Showers

    • 50
    • 64

    Rain Showers

    • 48
    • 66

    Slight Chance Rain

    • 47
    • 69

    Mostly Sunny

Today 18 Apr North Bay Interior Valleys

Sunny in the morning then becoming partly cloudy. Highs in the 60s to upper 70s. Southeast Winds up to 5 Mph. Becoming south around 5 Mph in the afternoon.

Tonight 18 Apr North Bay Interior Valleys

Mostly cloudy. Patchy fog after midnight. Lows in the mid 40s to lower 50s. Southwest Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

San Rafael Airport Temperature Statistics

April Temperature

Novato / Gnoss Field (8.7 miles)

  • Lowest 3 April, 2026

    42.8 °F

  • Average April

    58.3 °F

  • Highest 5 April, 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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