Joliet Regional Airport Weather Forecast

    • 65
    • 88

    Thunderstorms

    • 66
    • 77

    Chance Thunderstorms

    • 65
    • 79

    Chance Thunderstorms

    • 65
    • 78

    Chance Rain Showers

    • 67
    • 84

    Rain Showers Likely

    • 61
    • 78

    Chance Rain Showers

    • 58
    • 75

    Slight Chance Thunderstorms

Today 15 Sep Northern Will

Mostly cloudy. A chance of Showers and a slight chance of Thunderstorms. Temperatures in the upper 80s. West Winds 5 to 10 Mph. Chance of precipitation 30 percent.

Tonight 15 Sep Northern Will

Showers and Thunderstorms likely. Humid. Lows in the mid 60s. North Winds around 5 Mph. Chance of precipitation 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Joliet Regional Airport Temperature Statistics

September Temperature

Joliet Regional Airport (0 miles)

  • Lowest 13 September, 2026

    52.9 °F

  • Average September

    76.6 °F

  • Highest 2 September, 2026

    95.9 °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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