Northbrook Weather Forecast

    • 68
    • 79

    Chance Rain Showers

    • 68
    • 78

    Rain Showers Likely

    • 72
    • 83

    Rain Showers Likely

    • 66
    • 83

    Chance Thunderstorms

    • 62
    • 77

    Mostly Sunny

    • 65
    • 80

    Chance Rain Showers

Today 13 Aug Northern Cook

Mostly cloudy. Patchy fog early in the morning. A slight chance of Showers in the Morning, then a chance of Showers and Thunderstorms in the afternoon. Humid. Highs in the upper 70s. East Winds 5 to 10 Mph. Chance of precipitation 50 percent.

Tonight 13 Aug Northern Cook

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms. Humid with Lows in the upper 60s. East Winds 5 to 10 Mph. Chance of precipitation 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Northbrook Temperature Statistics

August Temperature

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

  • Lowest 3 August, 2026

    61.6 °F

  • Average August

    73.7 °F

  • Highest 7 August, 2026

    87.7 °F

Climate (2021–2026)

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

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  • Average Low 2021–2026

    44 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    61.6 °F
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