Arlington Heights Weather Forecast

    • 44
    • 62

    Becoming Sunny

    • 51
    • 63

    Partly Sunny

    • 51
    • 72

    Thunderstorms

    • 45
    • 63

    Mostly Cloudy

    • 42
    • 60

    Partly Sunny

    • 41
    • 60

    Mostly Cloudy

Today 25 Apr Northern Cook

Partly cloudy near the lake and mostly sunny inland. Highs in the lower 60s Inland, but only around 50 near the lake. Northeast Winds 10 to 15 Mph. Gusts up to 25 Mph in the afternoon.

Tonight 25 Apr Northern Cook

Partly cloudy. Lows in the mid 40s. Northeast Winds 10 to 15 Mph with Gusts up to 25 Mph, becoming east around 5 Mph after midnight.

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Arlington Heights Temperature Statistics

April Temperature

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

  • Lowest 7 April, 2026

    28.7 °F

  • Average April

    53.1 °F

  • Highest 12 April, 2026

    81.6 °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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