Weeks Lake Weather Forecast

    • 33
    • 59

    Mostly Sunny

    • 38
    • 57

    Partly Sunny

    • 45
    • 52

    Rain

    • 49
    • 57

    Rain

    • 46
    • 58

    Rain Likely

    • 40
    • 57

    Rain

Today 29 Jan North Bay Interior Mountains

Sunny. Highs in the 40s to upper 50s. Southwest Winds up to 5 Mph.

Tonight 29 Jan North Bay Interior Mountains

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 30s. Northwest Winds up to 5 Mph.

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Weeks Lake Temperature Statistics

January Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (24.2 miles)

  • Lowest 22 January, 2025

    28.9 °F

  • Average January

    50.6 °F

  • Highest 9 January, 2025

    78.7 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (24.2 miles)

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  • Average Low 2020–2025

    45.3 °F

  • Average 2020–2025

    57.7 °F

  • Average High 2020–2025

    72.9 °F
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