Joliet Regional Airport Weather Forecast

    • 62
    • 85

    Slight Chance Thunderstorms

    • 63
    • 80

    Chance Thunderstorms

    • 64
    • 87

    Mostly Sunny

    • 64
    • 88

    Partly Sunny

    • 63
    • 88

    Partly Sunny

    • 63
    • 88

    Partly Sunny

    • 62
    • 87

    Partly Sunny

Today 12 Sep Northern Will

Sunny late in the Morning, then becoming partly cloudy. Highs in the mid 80s. South Winds 5 to 10 Mph.

Tonight 12 Sep Northern Will

Increasing cloudiness. A slight chance of Showers and Thunderstorms late. Lows in the lower 60s. Southeast Winds around 5 Mph. Chance of precipitation 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Joliet Regional Airport Temperature Statistics

September Temperature

Joliet Regional Airport (0 miles)

  • Lowest 7 September, 2025

    40.1 °F

  • Average September

    62 °F

  • Highest 10 September, 2025

    83.1 °F

Climate (2020–Present)

Joliet Regional Airport (0 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    53.5 °F

  • Average High 2020–2025

    63 °F
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