Decatur City Weather Forecast

    • 65
    • 76

    Rain Showers Likely

    • 64
    • 73

    Rain Showers

    • 53
    • 67

    Chance Rain Showers

    • 50
    • 64

    Mostly Sunny

    • 52
    • 65

    Partly Sunny

    • 48
    • 64

    Mostly Sunny

Today 29 Sep Decatur

Partly sunny. Highs in the mid 70s. South Winds 5 to 10 Mph with Gusts up to 20 Mph.

Tonight 29 Sep Decatur

A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers with a chance of Thunderstorms after midnight. Some Thunderstorms may produce heavy rainfall. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph. Chance of rain 90 percent.

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  • Temperature Real-Time

Decatur City Temperature Statistics

September Temperature

Lamoni, Lamoni Municipal Airport (8.1 miles)

  • Lowest 23 September, 2026

    54.6 °F

  • Average September

    72.8 °F

  • Highest 2 September, 2026

    97.6 °F

Climate (2021–2026)

Lamoni, Lamoni Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    43.6 °F

  • Average 2021–2026

    53.7 °F

  • Average High 2021–2026

    63.9 °F
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