Decatur City Weather Forecast

    • 36
    • 84

    Chance Rain Showers

    • 25
    • 54

    Mostly Sunny

    • 42
    • 56

    Partly Sunny

    • 55
    • 73

    Partly Sunny

    • 58
    • 82

    Chance Thunderstorms

    • 55
    • 80

    Chance Thunderstorms

Today 26 Mar Decatur

Partly sunny. A chance of Showers with a slight chance of Thunderstorms this afternoon. Highs in the mid 80s. Southwest Winds 10 to 15 Mph, becoming northwest 15 to 20 Mph this afternoon. Gusts up to 35 Mph. Chance of rain 30 percent.

Tonight 26 Mar Decatur

Mostly cloudy. A slight chance of Showers and Thunderstorms in the evening. Breezy, cooler with Lows in the mid 30s. North Winds 15 to 25 Mph. Gusts up to 40 Mph in the evening. Chance of rain 20 percent.

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Decatur City Temperature Statistics

March Temperature

Lamoni, Lamoni Municipal Airport (8.1 miles)

  • Lowest 17 March, 2026

    4.6 °F

  • Average March

    46 °F

  • Highest 21 March, 2026

    91.7 °F

Climate (2021–Present)

Lamoni, Lamoni Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.5 °F

  • Average High 2021–2026

    63.6 °F
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