Mount Prospect Weather Forecast

    • 33
    • 40

    Mostly Cloudy

    • 40
    • 42

    Rain Showers Likely

    • 40
    • 46

    Rain Showers Likely

    • 53
    • 63

    Rain Showers

    • 39
    • 63

    Partly Sunny

    • 43
    • 61

    Mostly Sunny

Today 3 Mar Northern Cook

Mostly cloudy. Highs in the lower 40s Inland, but only in the upper 30s near the lake. Light and variable Winds, becoming northeast around 5 Mph in the afternoon.

Tonight 3 Mar Northern Cook

Mostly cloudy. Lows in the lower 30s. Northeast Winds around 5 Mph.

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Mount Prospect Temperature Statistics

March Temperature

Chicago / Wheeling, Pal-Waukee Airport (3.7 miles)

  • Lowest 1 March, 2026

    24.1 °F

  • Average March

    26.8 °F

  • Highest 1 March, 2026

    30 °F

Climate (2021–Present)

Chicago / Wheeling, Pal-Waukee Airport (3.7 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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