Las Posadas State Forest Weather Forecast

    • 45
    • 57

    Slight Chance Rain

    • 49
    • 55

    Rain Likely

    • 49
    • 55

    Rain

    • 51
    • 53

    Rain

    • 49
    • 54

    Rain

    • 46
    • 52

    Rain Likely

    • 46
    • 48

    Rain

Today 17 Dec North Bay Interior Mountains

Partly cloudy. Highs in the mid 50s to lower 60s. West Winds around 5 Mph.

Tonight 17 Dec North Bay Interior Mountains

Partly cloudy in the evening then becoming mostly cloudy. Patchy fog in the evening. Areas of dense fog after midnight. Lows in the upper 40s. North Winds around 5 Mph in the evening. Becoming light.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Las Posadas State Forest Temperature Statistics

December Temperature

Santa Rosa, Santa Rosa Sonoma County Airport (22.4 miles)

  • Lowest 4 December, 2025

    34 °F

  • Average December

    43.9 °F

  • Highest 3 December, 2025

    68 °F

Climate (2020–Present)

Santa Rosa, Santa Rosa Sonoma County Airport (22.4 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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