Central Valley Weather Forecast

    • 47
    • 55

    Dense Fog

    • 44
    • 60

    Mostly Cloudy

    • 43
    • 57

    Partly Sunny

    • 40
    • 57

    Partly Sunny

    • 42
    • 57

    Mostly Cloudy

    • 41
    • 59

    Mostly Cloudy

Today 21 Jan Northern San Joaquin Valley

Widespread fog. Locally dense in the morning. Areas of fog early in the afternoon. Mostly cloudy. Highs 53 to 59. Light Winds.

Tonight 21 Jan Northern San Joaquin Valley

Cloudy. Patchy fog in the evening. Widespread fog. Locally dense after midnight. Lows around 47. Light Winds.

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Central Valley Temperature Statistics

January Temperature

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

  • Lowest 10 January, 2026

    32 °F

  • Average January

    48.8 °F

  • Highest 6 January, 2026

    63 °F

Climate (2021–Present)

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

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  • Average Low 2021–2026

    51.5 °F

  • Average 2021–2026

    63.4 °F

  • Average High 2021–2026

    75.9 °F
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