Brampton Weather Forecast

    • 61
    • 80

    Thunderstorms Likely

    • 61
    • 81

    Chance Rain Showers

    • 64
    • 80

    Chance Rain Showers

    • 64
    • 78

    Chance Thunderstorms

    • 59
    • 80

    Chance Thunderstorms

    • 56
    • 76

    Slight Chance Rain Showers

Today 18 Sep Johnson

A chance of Thunderstorms. Showers likely early this Morning, then a chance of Showers this afternoon. Highs around 80. West Winds around 5 Mph, becoming south. Chance of rain 70 percent.

Tonight 18 Sep Johnson

Mostly cloudy in the Evening, then becoming partly cloudy. A chance of Showers. A chance of Thunderstorms, mainly in the evening. Lows in the lower 60s. Southwest Winds around 5 Mph. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brampton Temperature Statistics

September Temperature

Olathe, Johnson County Executive Airport (8.7 miles)

  • Lowest 6 September, 2025

    48.9 °F

  • Average September

    70.2 °F

  • Highest 12 September, 2025

    93 °F

Climate (2020–Present)

Olathe, Johnson County Executive Airport (8.7 miles)

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  • Average Low 2020–2025

    47.4 °F

  • Average 2020–2025

    57.2 °F

  • Average High 2020–2025

    67.1 °F
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