West Chicago Prairie County Forest Preserve Weather Forecast

    • 49
    • 74

    Rain Showers

    • 66
    • 75

    Rain Showers Likely

    • 61
    • 84

    Rain Showers Likely

    • 63
    • 73

    Rain Showers

    • 63
    • 79

    Chance Rain Showers

    • 59
    • 76

    Chance Rain Showers

Today 13 Sep DuPage

Scattered Showers early in the afternoon. Numerous Showers late. Highs in the mid 70s. Temperature falling into the mid 60s in the afternoon. North Winds 10 to 15 Mph. Chance of precipitation 70 percent.

Tonight 13 Sep DuPage

Mostly clear. Lows in the lower 50s. North Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

West Chicago Prairie County Forest Preserve Temperature Statistics

September Temperature

Chicago / West Chicago, Dupage Airport (1.2 miles)

  • Lowest 11 September, 2026

    53.1 °F

  • Average September

    76 °F

  • Highest 1 September, 2026

    93 °F

Climate (2021–2026)

Chicago / West Chicago, Dupage Airport (1.2 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.7 °F
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