Decatur City Weather Forecast

    • 66
    • 82

    Increasing Clouds

    • 66
    • 81

    Rain Showers Likely

    • 63
    • 79

    Slight Chance Thunderstorms

    • 64
    • 80

    Slight Chance Thunderstorms

    • 65
    • 83

    Chance Thunderstorms

    • 61
    • 79

    Partly Sunny

    • 63
    • 79

    Slight Chance Thunderstorms

Today 17 Aug Decatur

Sunny. Near steady temperature around 80. Northwest Winds around 5 Mph.

Tonight 17 Aug Decatur

Mostly clear in the Evening, then becoming mostly cloudy. Humid with Lows in the mid 60s. South Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur City Temperature Statistics

August Temperature

Lamoni, Lamoni Municipal Airport (8.1 miles)

  • Lowest 1 August, 2026

    62.7 °F

  • Average August

    77 °F

  • Highest 9 August, 2026

    90.6 °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

    53.6 °F

  • Average High 2021–2026

    63.9 °F
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