Northstar Weather Forecast

    • 46
    • 53

    Dense Fog

    • 43
    • 61

    Gradual Clearing

    • 42
    • 56

    Partly Sunny

    • 36
    • 58

    Mostly Sunny

    • 38
    • 54

    Mostly Cloudy

    • 37
    • 57

    Partly Sunny

    • 40
    • 57

    Mostly Cloudy

Today 21 Jan Southern Sacramento Valley

Mostly cloudy. Areas of fog. Locally dense in the morning. Patchy fog in the afternoon. Highs 52 to 58. Light Winds.

Tonight 21 Jan Southern Sacramento Valley

Cloudy. Patchy fog until early Morning, then widespread fog. Locally dense late in the night. Lows around 46. Light Winds.

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Northstar Temperature Statistics

January Temperature

University Airport (3.1 miles)

  • Lowest 12 January, 2026

    32 °F

  • Average January

    47.9 °F

  • Highest 15 January, 2026

    64.4 °F

Climate (2021–Present)

University Airport (3.1 miles)

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  • Average Low 2021–2026

    47.9 °F

  • Average 2021–2026

    59.5 °F

  • Average High 2021–2026

    72.3 °F
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