Thomas Lake Harris Open Space Weather Forecast

    • 46
    • 66

    Mostly Sunny

    • 45
    • 65

    Mostly Sunny

    • 46
    • 65

    Partly Sunny

    • 47
    • 67

    Partly Sunny

    • 45
    • 65

    Mostly Cloudy

    • 42
    • 64

    Mostly Sunny

Today 3 Dec North Bay Interior Valleys

Sunny. Highs in the 60s to lower 70s. North Winds up to 5 Mph. Becoming south in the afternoon.

Tonight 3 Dec North Bay Interior Valleys

Mostly clear. Areas of fog after midnight. Lows in the upper 30s to lower 50s. Light Winds.

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Thomas Lake Harris Open Space Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (5 miles)

  • Lowest 1 December, 2024

    39.9 °F

  • Average December

    47.9 °F

  • Highest 1 December, 2024

    61 °F

Climate (2019–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (5 miles)

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  • Average Low 2019–2024

    45.4 °F

  • Average 2019–2024

    57.5 °F

  • Average High 2019–2024

    72.8 °F
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