Central Valley Weather Forecast

    • 43
    • 55

    Mostly Cloudy

    • 45
    • 55

    Mostly Cloudy

    • 46
    • 57

    Mostly Cloudy

    • 47
    • 58

    Partly Sunny

    • 47
    • 59

    Partly Sunny

    • 46
    • 58

    Partly Sunny

Today 7 Dec Northern San Joaquin Valley

Mostly cloudy. Widespread fog. Locally dense in the Morning, then patchy fog in the afternoon. Highs 53 to 59. Light Winds.

Tonight 7 Dec Northern San Joaquin Valley

Partly cloudy. Lows around 43. Light Winds.

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Central Valley Temperature Statistics

December Temperature

Modesto City-County Airport - Harry Sham Field (5.6 miles)

  • Lowest 4 December, 2025

    36 °F

  • Average December

    44.5 °F

  • Highest 3 December, 2025

    54 °F

Climate (2020–Present)

Modesto City-County Airport - Harry Sham Field (5.6 miles)

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  • Average Low 2020–2025

    51.4 °F

  • Average 2020–2025

    63.3 °F

  • Average High 2020–2025

    75.9 °F
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