Harrisonville Weather Forecast

    • 33
    • 61

    Sunny

    • 36
    • 68

    Sunny

    • 38
    • 72

    Mostly Sunny

    • 39
    • 75

    Mostly Sunny

    • 42
    • 77

    Sunny

    • 45
    • 81

    Mostly Sunny

Today 17 Oct Monroe

Patchy frost in the morning. Sunny. Highs in the lower 60s. Northeast Winds around 5 Mph.

Tonight 17 Oct Monroe

Clear. Areas of frost after midnight. Lows in the mid 30s. Light and variable Winds.

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Harrisonville Temperature Statistics

October Temperature

St. Louis Downtown Airport (22.4 miles)

  • Lowest 6 October, 2026

    42.7 °F

  • Average October

    68.8 °F

  • Highest 13 October, 2026

    93.9 °F

Climate (2021–2026)

St. Louis Downtown Airport (22.4 miles)

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  • Average Low 2021–2026

    47.8 °F

  • Average 2021–2026

    58.7 °F

  • Average High 2021–2026

    69.5 °F
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