Prospect Heights Weather Forecast

    • 26
    • 45

    Breezy

    • 32
    • 48

    Breezy

    • 26
    • 41

    Mostly Sunny

    • 33
    • 50

    Chance Rain

    • 26
    • 40

    Chance Rain/Snow

    • 28
    • 36

    Slight Chance Snow

    • 23
    • 44

    Mostly Cloudy

Today 27 Jan Northern Cook

Windy. Mostly sunny in the late morning and early Afternoon, then becoming mostly cloudy. Highs in the mid 40s. Southwest Winds 20 to 30 Mph with Gusts up to 45 Mph.

Tonight 27 Jan Northern Cook

Mostly cloudy in the evening then clearing. Lows in the mid 20s. West Winds 15 to 25 Mph with Gusts up to 35 Mph in the Evening, Diminishing to 5 to 10 Mph after midnight.

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Prospect Heights Temperature Statistics

January Temperature

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

  • Lowest 21 January, 2025

    -8 °F

  • Average January

    20.4 °F

  • Highest 17 January, 2025

    48.7 °F

Climate (2020–Present)

Chicago / Wheeling, Pal-Waukee Airport (2.5 miles)

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  • Average Low 2020–2025

    44.3 °F

  • Average 2020–2025

    52.9 °F

  • Average High 2020–2025

    61.3 °F
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