St. James Farm Forest Preserve Weather Forecast

    • 58
    • 78

    Slight Chance Thunderstorms

    • 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 22 Aug DuPage

Mostly sunny. A slight chance of Showers and Thunderstorms. Temperatures in the upper 70s. Northwest Winds 10 to 15 Mph. Chance of precipitation 20 percent.

Tonight 22 Aug DuPage

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

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  • Temperature Forecast NOAA

  • 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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