Deer Run Weather Forecast

    • 66
    • 79

    Chance Rain Showers

    • 68
    • 84

    Chance Rain Showers

    • 66
    • 83

    Chance Thunderstorms

    • 69
    • 84

    Chance Thunderstorms

    • 69
    • 84

    Rain Showers Likely

    • 64
    • 81

    Chance Thunderstorms

Today 6 Aug Northern Will

Mostly cloudy. A chance of Showers in the morning. A slight chance of Thunderstorms. A slight chance of Showers in the afternoon. Humid with Highs in the upper 70s. South Winds 5 to 10 Mph, becoming southwest in the afternoon. Chance of precipitation 40 percent.

Tonight 6 Aug Northern Will

Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 60s. Southeast Winds around 5 Mph.

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Deer Run Temperature Statistics

August Temperature

Joliet Regional Airport (0 miles)

  • Lowest 3 August, 2026

    60.6 °F

  • Average August

    72.3 °F

  • Highest 3 August, 2026

    84.6 °F

Climate (2021–2026)

Joliet Regional Airport (0 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.8 °F

  • Average High 2021–2026

    63.4 °F
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