Northwestern University Weather Forecast

    • 68
    • 76

    Chance Rain Showers

    • 69
    • 84

    Chance Rain Showers

    • 68
    • 78

    Mostly Sunny

    • 68
    • 74

    Partly Sunny

    • 71
    • 79

    Slight Chance Thunderstorms

    • 73
    • 83

    Chance Rain Showers

    • 72
    • 83

    Chance Rain Showers

Today 25 Aug Northern Cook

Partly cloudy. Near steady temperature in the upper 70s. South Winds 5 to 10 Mph.

Tonight 25 Aug Northern Cook

Partly cloudy in the Evening, then becoming mostly cloudy. A slight chance of Showers after midnight. A slight chance of Thunderstorms after midnight. A chance of Showers late. Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of precipitation 30 percent.

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Northwestern University Temperature Statistics

August Temperature

Chicago / Wheeling, Pal-Waukee Airport (12.4 miles)

  • Lowest 23 August, 2026

    60.1 °F

  • Average August

    73.5 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

Chicago / Wheeling, Pal-Waukee Airport (12.4 miles)

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.5 °F
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