Shiloh Ranch Regional Park Weather Forecast

    • 51
    • 55

    Rain

    • 47
    • 56

    Rain

    • 46
    • 52

    Rain

    • 42
    • 52

    Rain

    • 45
    • 50

    Rain

    • 41
    • 49

    Rain

Today 20 Dec North Bay Interior Valleys

Areas of fog in the morning. Rain. Highs in the 50s. South Winds up to 5 Mph. Becoming east around 5 Mph in the afternoon.

Tonight 20 Dec North Bay Interior Valleys

Rain. Lows in the upper 40s to mid 50s. South Winds 10 to 20 Mph. Gusts up to 35 Mph after midnight.

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Shiloh Ranch Regional Park Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (3.7 miles)

  • Lowest 4 December, 2025

    34 °F

  • Average December

    44.7 °F

  • Highest 3 December, 2025

    68 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (3.7 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    57.9 °F

  • Average High 2020–2025

    72.5 °F
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