St. James Farm Forest Preserve Weather Forecast

    • 55
    • 75

    Mostly Sunny

    • 58
    • 78

    Partly Sunny

    • 63
    • 79

    Slight Chance Thunderstorms

    • 64
    • 82

    Chance Thunderstorms

    • 63
    • 81

    Slight Chance Thunderstorms

    • 63
    • 80

    Partly Sunny

Today 23 Aug DuPage

Sunny in the Morning, then becoming partly cloudy. Highs in the mid 70s. Northwest Winds 5 to 10 Mph.

Tonight 23 Aug DuPage

Clear. Lows in the upper 50s. North Winds around 5 Mph.

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  • Temperature Real-Time

St. James Farm Forest Preserve Temperature Statistics

August Temperature

Chicago / West Chicago, Dupage Airport (5.6 miles)

  • Lowest 20 August, 2026

    59 °F

  • Average August

    73.7 °F

  • Highest 10 August, 2026

    87.7 °F

Climate (2021–2026)

Chicago / West Chicago, Dupage Airport (5.6 miles)

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  • Average Low 2021–2026

    42.1 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    61.7 °F
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