Deer Run Weather Forecast

    • 16
    • 23

    Mostly Cloudy

    • 34
    • 36

    Rain/Snow Likely

    • 17
    • 36

    Chance Rain/Snow

    • 7
    • 25

    Chance Snow

    • 0
    • 16

    Slight Chance Snow

    • -2
    • 9

    Cold

Today 8 Dec Northern Will

Mostly cloudy. Highs in the lower 20s. Southeast Winds around 5 Mph.

Tonight 8 Dec Northern Will

Mostly cloudy. Lows around 16. Temperature rising into the mid 20s after midnight. South Winds 5 to 10 Mph, increasing to southwest 10 to 15 Mph with Gusts up to 25 Mph after midnight.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deer Run Temperature Statistics

December Temperature

Joliet Regional Airport (0 miles)

  • Lowest 5 December, 2025

    -1.1 °F

  • Average December

    20.4 °F

  • Highest 3 December, 2025

    32 °F

Climate (2020–Present)

Joliet Regional Airport (0 miles)

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  • Average Low 2020–2025

    43.6 °F

  • Average 2020–2025

    53.6 °F

  • Average High 2020–2025

    63.1 °F
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