Northbrook Weather Forecast

    • 62
    • 84

    Becoming Sunny

    • 65
    • 86

    Partly Sunny

    • 71
    • 91

    Mostly Sunny

    • 74
    • 94

    Mostly Sunny

    • 76
    • 95

    Mostly Sunny

    • 74
    • 95

    Slight Chance Thunderstorms

Today 28 Aug Hamilton

Mostly sunny. Highs in the mid 80s. North Winds around 5 Mph.

Tonight 28 Aug Hamilton

Clear. Lows in the lower 60s. Northeast Winds around 5 Mph.

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Northbrook Temperature Statistics

August Temperature

Butler County Regional Airport (8.1 miles)

  • Lowest 25 August, 2026

    53.1 °F

  • Average August

    74.6 °F

  • Highest 10 August, 2026

    90.6 °F

Climate (2021–2026)

Butler County Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    44.3 °F

  • Average 2021–2026

    55.6 °F

  • Average High 2021–2026

    67 °F
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