Brampton Weather Forecast

    • 29
    • 49

    Decreasing Clouds

    • 36
    • 48

    Partly Sunny

    • 43
    • 57

    Partly Sunny

    • 46
    • 60

    Mostly Cloudy

    • 54
    • 67

    Partly Sunny

    • 46
    • 71

    Partly Sunny

Today 20 Dec Johnson

Mostly sunny. Highs in the upper 40s. West Winds 10 to 15 Mph, becoming north in the afternoon.

Tonight 20 Dec Johnson

Partly cloudy. Not as cool with Lows in the mid 30s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

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Brampton Temperature Statistics

December Temperature

Olathe, Johnson County Executive Airport (8.7 miles)

  • Lowest 14 December, 2025

    8.1 °F

  • Average December

    32.1 °F

  • Highest 17 December, 2025

    57.9 °F

Climate (2020–Present)

Olathe, Johnson County Executive Airport (8.7 miles)

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  • Average Low 2020–2025

    47.6 °F

  • Average 2020–2025

    57.3 °F

  • Average High 2020–2025

    67.2 °F
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