Wheaton Weather Forecast

    • 71
    • 84

    Smoke

    • 59
    • 85

    Partly Sunny

    • 58
    • 75

    Mostly Sunny

    • 62
    • 78

    Partly Sunny

    • 64
    • 82

    Mostly Sunny

    • 67
    • 85

    Mostly Sunny

Today 20 Jul DuPage

Mostly cloudy. Smoke late in the morning. Isolated Showers in the late morning and early afternoon. Highs in the mid 80s. Southwest Winds 5 to 10 Mph, increasing to 10 to 15 Mph with Gusts up to 25 Mph in the afternoon. Chance of precipitation 20 percent.

Tonight 20 Jul DuPage

Mostly cloudy in the Evening, then becoming partly cloudy. Isolated Showers and Thunderstorms early in the Evening, then scattered Showers and Thunderstorms in the late evening and overnight. Humid with Lows in the lower 70s. Southwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening. Chance of precipitation 50 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Wheaton Temperature Statistics

July Temperature

Chicago / West Chicago, Dupage Airport (7.5 miles)

  • Lowest 7 July, 2026

    60.7 °F

  • Average July

    77.9 °F

  • Highest 2 July, 2026

    93.7 °F

Climate (2021–2026)

Chicago / West Chicago, Dupage Airport (7.5 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    52 °F

  • Average High 2021–2026

    61.7 °F
Get WillyWeather+ to remove ads