San Quentin Weather Forecast

    • 51
    • 65

    Rain Likely

    • 52
    • 67

    Mostly Cloudy

    • 52
    • 70

    Partly Sunny

    • 51
    • 70

    Partly Sunny

    • 52
    • 73

    Mostly Sunny

    • 54
    • 78

    Sunny

Today 4 May North Bay Interior Valleys

Mostly cloudy. Patchy fog in the morning. A slight chance of rain in the morning. A chance of rain in the afternoon. Highs in the upper 50s to mid 60s. West Winds 5 to 15 Mph.

Tonight 4 May North Bay Interior Valleys

Rain likely in the Evening, then a chance of rain after midnight. Patchy fog after midnight. Lows in the upper 40s to mid 50s. West Winds 5 to 15 Mph.

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San Quentin Temperature Statistics

May Temperature

Novato / Gnoss Field (14.3 miles)

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  • Average May

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Climate (2021–Present)

Novato / Gnoss Field (14.3 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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