Decatur City Weather Forecast

    • 68
    • 80

    Rain Showers

    • 62
    • 72

    Rain Showers

    • 67
    • 78

    Rain Showers Likely

    • 68
    • 83

    Chance Thunderstorms

    • 69
    • 83

    Chance Rain Showers

    • 65
    • 81

    Slight Chance Rain Showers

Today 14 Sep Decatur

Mostly sunny. Highs around 80. Southeast Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 14 Sep Decatur

Mostly cloudy with a chance of Thunderstorms. A slight chance of Showers late this Evening, then Showers likely. Some Thunderstorms may produce heavy rainfall. Lows in the upper 60s. South Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 70 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur City Temperature Statistics

September Temperature

Lamoni, Lamoni Municipal Airport (8.1 miles)

  • Lowest 12 September, 2026

    61 °F

  • Average September

    79.1 °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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