Mills Valley Weather Forecast

    • 56
    • 58

    Rain Showers

    • 53
    • 57

    Rain Showers

    • 52
    • 56

    Rain Showers

    • 52
    • 54

    Rain Showers

    • 50
    • 52

    Rain Showers

    • 46
    • 51

    Rain Showers

Today 21 Dec Southern Sacramento Valley

A chance of rain Showers early in the Morning, then rain Showers in the late morning and afternoon. Breezy. Highs around 58. South Winds 10 to 25 Mph with Gusts to around 35 Mph.

Tonight 21 Dec Southern Sacramento Valley

Rain Showers and a slight chance of Thunderstorms in the Evening, then rain Showers after midnight. Some Thunderstorms may produce heavy rainfall in the evening. Lows 51 to 56. South Winds 10 to 20 Mph with Gusts to around 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Mills Valley Temperature Statistics

December Temperature

Sacramento Mather Airport (5.6 miles)

  • Lowest 4 December, 2025

    35.6 °F

  • Average December

    46.1 °F

  • Highest 3 December, 2025

    62.6 °F

Climate (2020–Present)

Sacramento Mather Airport (5.6 miles)

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  • Average Low 2020–2025

    48.7 °F

  • Average 2020–2025

    61.6 °F

  • Average High 2020–2025

    75.3 °F
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