San Quentin Weather Forecast

    • 57
    • 82

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 60
    • 87

    Mostly Sunny

    • 64
    • 92

    Sunny

    • 62
    • 94

    Sunny

    • 60
    • 89

    Sunny

Today 24 Sep North Bay Interior Valleys

Partly cloudy in the morning then becoming sunny. Highs in the lower 70s to mid 80s. West Winds 10 to 20 Mph.

Tonight 24 Sep North Bay Interior Valleys

Mostly clear. Lows in the 40s to upper 50s. West Winds 10 to 20 Mph.

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San Quentin Temperature Statistics

September Temperature

Novato / Gnoss Field (14.3 miles)

  • Lowest 11 September, 2020

    46.4 °F
  • Average September

    66.4 °F
  • Highest 7 September, 2020

    111.2 °F

Climate (2010–Present)

Novato / Gnoss Field (14.3 miles)

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  • Average Low 2010–Present

    46.6 °F
  • Average 2010–Present

    58.5 °F
  • Average High 2010–Present

    73.2 °F
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