Arlington Heights Weather Forecast

    • 35
    • 59

    Chance Rain Showers

    • 37
    • 52

    Partly Sunny

    • 27
    • 48

    Partly Sunny

    • 33
    • 43

    Mostly Cloudy

    • 50
    • 65

    Mostly Cloudy

    • 45
    • 65

    Chance Rain Showers

Today 4 Apr Northern Cook

Cloudy. A chance of Showers early in the Morning, then a slight chance of Showers late in the morning. Breezy. Highs in the upper 50s. Temperature falling to around 50 in the afternoon. Southwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of precipitation 50 percent.

Tonight 4 Apr Northern Cook

Mostly cloudy and breezy. Lows in the mid 30s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Arlington Heights Temperature Statistics

April Temperature

Chicago / Wheeling, Pal-Waukee Airport (4.3 miles)

  • Lowest 1 April, 2026

    35.1 °F

  • Average April

    36.7 °F

  • Highest 1 April, 2026

    39 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (4.3 miles)

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  • Average Low 2021–2026

    44.1 °F

  • Average 2021–2026

    52.9 °F

  • Average High 2021–2026

    61.6 °F
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