South Park Weather Forecast

    • 49
    • 56

    Rain Showers

    • 48
    • 55

    Rain Showers

    • 45
    • 51

    Rain Showers

    • 41
    • 51

    Rain Showers

    • 38
    • 54

    Partly Sunny

    • 37
    • 55

    Mostly Sunny

    • 39
    • 55

    Mostly Sunny

Today 23 Dec North Bay Interior Valleys

Cloudy. A chance of rain. Highs in the mid 50s to lower 60s. South Winds 10 to 20 Mph. Gusts up to 45 Mph in the afternoon.

Tonight 23 Dec North Bay Interior Valleys

Breezy. Showers and a slight chance of Thunderstorms. Some Thunderstorms may produce heavy rainfall. Lows in the mid 40s to lower 50s. South Winds 20 to 30 Mph. Gusts up to 55 Mph increasing to 65 Mph after midnight.

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South Park Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (7.5 miles)

  • Lowest 4 December, 2025

    34 °F

  • Average December

    46.8 °F

  • Highest 3 December, 2025

    68 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (7.5 miles)

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  • Average Low 2020–2025

    45.6 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    72.5 °F
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