Northstar Weather Forecast

    • 42
    • 56

    Increasing Clouds

    • 42
    • 55

    Mostly Cloudy

    • 42
    • 57

    Mostly Cloudy

    • 44
    • 58

    Mostly Cloudy

    • 44
    • 60

    Partly Sunny

    • 44
    • 61

    Partly Sunny

Today 6 Dec Southern Sacramento Valley

Mostly cloudy in the morning then becoming partly cloudy. Widespread fog. Locally dense in the Morning, then patchy fog early in the afternoon. Highs 52 to 58. Light Winds.

Tonight 6 Dec Southern Sacramento Valley

Mostly clear in the evening then becoming mostly cloudy. Lows around 42. Light Winds.

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Northstar Temperature Statistics

December Temperature

University Airport (3.1 miles)

  • Lowest 2 December, 2025

    35.6 °F

  • Average December

    45.9 °F

  • Highest 3 December, 2025

    62.6 °F

Climate (2020–Present)

University Airport (3.1 miles)

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  • Average Low 2020–2025

    47.8 °F

  • Average 2020–2025

    59.6 °F

  • Average High 2020–2025

    72.5 °F
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