Harrisonville Weather Forecast

    • 64
    • 89

    Mostly Sunny

    • 38
    • 90

    Slight Chance Thunderstorms

    • 40
    • 59

    Mostly Cloudy

    • 43
    • 63

    Slight Chance Thunderstorms

    • 55
    • 73

    Partly Sunny

    • 47
    • 83

    Chance Rain Showers

Today 21 Mar Monroe

Sunny. Highs in the upper 80s. East Winds around 5 Mph, becoming south this afternoon.

Tonight 21 Mar Monroe

Mostly clear. Not as cool with Lows in the mid 60s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Harrisonville Temperature Statistics

March Temperature

St. Louis Downtown Airport (22.4 miles)

  • Lowest 17 March, 2026

    17.7 °F

  • Average March

    50.1 °F

  • Highest 10 March, 2026

    84.7 °F

Climate (2021–Present)

St. Louis Downtown Airport (22.4 miles)

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  • Average Low 2021–2026

    47.5 °F

  • Average 2021–2026

    58.2 °F

  • Average High 2021–2026

    69 °F
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