Decatur City Weather Forecast

    • 73
    • 96

    Slight Chance Thunderstorms

    • 62
    • 86

    Mostly Sunny

    • 60
    • 80

    Partly Sunny

    • 62
    • 79

    Chance Thunderstorms

    • 63
    • 75

    Slight Chance Thunderstorms

    • 68
    • 88

    Mostly Sunny

Today 20 Jul Decatur

Sunny, hot. Near steady temperature in the mid 90s. Southwest Winds around 10 Mph with Gusts up to 20 Mph. Heat index Values up to 105.

Tonight 20 Jul Decatur

Mostly clear this Evening, then partly cloudy with a chance of Showers and Thunderstorms after midnight. Humid with Lows in the lower 70s. Southwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming northwest after midnight. Chance of rain 40 percent. Heat index Values up to 105 early this evening.

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Decatur City Temperature Statistics

July Temperature

Lamoni, Lamoni Municipal Airport (8.1 miles)

  • Lowest 12 July, 2026

    63 °F

  • Average July

    78.6 °F

  • Highest 17 July, 2026

    92.6 °F

Climate (2021–2026)

Lamoni, Lamoni Municipal Airport (8.1 miles)

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  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.9 °F
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