Brittany Valley Weather Forecast

    • 68
    • 92

    Thunderstorms

    • 63
    • 82

    Chance Thunderstorms

    • 67
    • 86

    Rain Showers Likely

    • 66
    • 85

    Rain Showers Likely

    • 71
    • 88

    Slight Chance Rain Showers

    • 66
    • 91

    Rain Showers Likely

    • 64
    • 79

    Rain Showers Likely

Today 9 Sep Johnson

Mostly cloudy with a chance of Showers and Thunderstorms. Not as warm with Highs in the upper 80s. Northeast Winds 5 to 10 Mph. Chance of rain 50 percent.

Tonight 9 Sep Johnson

Showers and Thunderstorms. Lows in the upper 60s. Northeast Winds around 5 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Brittany Valley Temperature Statistics

September Temperature

Olathe, Johnson County Executive Airport (13.7 miles)

  • Lowest 1 September, 2026

    71.7 °F

  • Average September

    85.7 °F

  • Highest 5 September, 2026

    100.7 °F

Climate (2021–2026)

Olathe, Johnson County Executive Airport (13.7 miles)

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  • Average Low 2021–2026

    48.1 °F

  • Average 2021–2026

    58 °F

  • Average High 2021–2026

    68.1 °F
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