Castle Rock Springs Weather Forecast

    • 39
    • 52

    Mostly Sunny

    • 40
    • 52

    Mostly Sunny

    • 40
    • 50

    Mostly Sunny

    • 39
    • 51

    Mostly Sunny

    • 40
    • 52

    Mostly Sunny

    • 44
    • 56

    Mostly Sunny

    • 42
    • 55

    Mostly Sunny

Today 17 Jan Southern Lake County

Sunny. Highs 52 to 62.

Tonight 17 Jan Southern Lake County

Mostly clear. Lows 31 to 41.

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Castle Rock Springs Temperature Statistics

January Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (19.3 miles)

  • Lowest 14 January, 2025

    32 °F

  • Average January

    51.5 °F

  • Highest 9 January, 2025

    78.7 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (19.3 miles)

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  • Average Low 2020–2025

    45.4 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    72.9 °F
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