Wilmington Weather Forecast

    • -3
    • 12

    Snow

    • 0
    • 9

    Cold

    • 15
    • 25

    Partly Sunny

    • 28
    • 36

    Mostly Cloudy

    • 37
    • 42

    Chance Rain

    • 17
    • 45

    Slight Chance Rain/Snow

Today 13 Dec Southern Will

Cloudy. A chance of snow late in the Morning, then snow likely early in the afternoon. A chance of snow late. Snow accumulation around an inch. Very cold. Near steady temperature around 9 above. Northwest Winds around 10 Mph. Chance of precipitation 70 percent. Wind chill Values as low as 9 below.

Tonight 13 Dec Southern Will

Partly cloudy in the Evening, then becoming mostly clear. Bitterly cold with Lows around 4 below. Northwest Winds 10 to 15 Mph. Gusts up to 25 Mph after midnight. Wind chill Values as low as 22 below.

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Wilmington Temperature Statistics

December Temperature

Joliet Regional Airport (14.3 miles)

  • Lowest 5 December, 2025

    -1.1 °F

  • Average December

    25.2 °F

  • Highest 10 December, 2025

    42.1 °F

Climate (2020–Present)

Joliet Regional Airport (14.3 miles)

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  • Average Low 2020–2025

    43.5 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    63.1 °F
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