Wheaton Weather Forecast

    • 28
    • 48

    Slight Chance Rain Showers

    • 31
    • 46

    Partly Sunny

    • 42
    • 57

    Mostly Cloudy

    • 47
    • 59

    Mostly Cloudy

    • 32
    • 69

    Chance Rain Showers

    • 28
    • 44

    Partly Sunny

Today 22 Mar DuPage

Mostly cloudy. A slight chance of Showers in the late morning and afternoon. Breezy. Highs in the mid 40s. Northeast Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 20 percent.

Tonight 22 Mar DuPage

Mostly cloudy and Blustery. Lows in the upper 20s. North Winds 15 to 20 Mph, Diminishing to 10 to 15 Mph after midnight. Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Wheaton Temperature Statistics

March Temperature

Chicago / West Chicago, Dupage Airport (7.5 miles)

  • Lowest 17 March, 2026

    12.7 °F

  • Average March

    40.6 °F

  • Highest 9 March, 2026

    72.6 °F

Climate (2021–Present)

Chicago / West Chicago, Dupage Airport (7.5 miles)

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  • Average Low 2021–2026

    42.2 °F

  • Average 2021–2026

    51.9 °F

  • Average High 2021–2026

    61.5 °F
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