Harrisonville Weather Forecast

    • 67
    • 88

    Mostly Sunny

    • 72
    • 93

    Slight Chance Thunderstorms

    • 68
    • 89

    Rain Showers

    • 67
    • 85

    Chance Thunderstorms

    • 68
    • 88

    Slight Chance Thunderstorms

    • 71
    • 90

    Mostly Sunny

    • 73
    • 93

    Mostly Sunny

Today 3 Aug Cass

Sunny. Near steady temperature in the upper 80s. Southeast Winds 5 to 10 Mph.

Tonight 3 Aug Cass

Clear. Lows in the upper 60s. Southeast Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harrisonville Temperature Statistics

August Temperature

Lee's Summit, Lee's Summit Municipal Airport (21.1 miles)

  • Lowest 1 August, 2026

    66 °F

  • Average August

    72.2 °F

  • Highest 1 August, 2026

    81 °F

Climate (2021–2026)

Lee's Summit, Lee's Summit Municipal Airport (21.1 miles)

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  • Average Low 2021–2026

    48.4 °F

  • Average 2021–2026

    58.1 °F

  • Average High 2021–2026

    68 °F
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