Stockton Weather Forecast

    • 27
    • 44

    Increasing Clouds

    • 34
    • 40

    Chance Drizzle

    • 36
    • 38

    Chance Rain

    • 36
    • 48

    Mostly Cloudy

    • 16
    • 49

    Mostly Cloudy

    • 6
    • 22

    Partly Sunny

Today 23 Dec Jo Daviess

Mostly sunny. Highs in the mid 40s. Northwest Winds 5 to 10 Mph.

Tonight 23 Dec Jo Daviess

Mostly clear in the Evening, then becoming mostly cloudy. Lows in the upper 20s. North Winds around 5 Mph, becoming northeast after midnight.

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Stockton Temperature Statistics

December Temperature

Tri-Township Airport (21.7 miles)

  • Lowest 14 December, 2025

    -2.6 °F

  • Average December

    21.5 °F

  • Highest 18 December, 2025

    43.2 °F

Climate (2020–Present)

Tri-Township Airport (21.7 miles)

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  • Average Low 2020–2025

    41.2 °F

  • Average 2020–2025

    51.1 °F

  • Average High 2020–2025

    61.2 °F
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