Glen Ellen Weather Forecast

    • 40
    • 52

    Dense Fog

    • 48
    • 56

    Mostly Cloudy

    • 54
    • 62

    Rain

    • 45
    • 60

    Chance Rain

    • 49
    • 58

    Rain Likely

    • 49
    • 56

    Rain

    • 47
    • 56

    Rain Likely

Today 14 Dec North Bay Interior Valleys

Partly cloudy. Highs in the mid 40s to upper 50s. South Winds 5 to 10 Mph.

Tonight 14 Dec North Bay Interior Valleys

Mostly cloudy. Patchy fog in the evening. Areas of dense fog after midnight. Lows in the 30s to upper 40s. West Winds up to 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Glen Ellen Temperature Statistics

December Temperature

Petaluma Municipal Airport (8.1 miles)

  • Lowest 4 December, 2025

    33.8 °F

  • Average December

    43.6 °F

  • Highest 3 December, 2025

    66.2 °F

Climate (2020–Present)

Petaluma Municipal Airport (8.1 miles)

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  • Average Low 2020–2025

    44.6 °F

  • Average 2020–2025

    55.1 °F

  • Average High 2020–2025

    68.6 °F
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