Decatur City Weather Forecast

    • 66
    • 87

    Mostly Sunny

    • 64
    • 88

    Rain Showers Likely

    • 59
    • 75

    Rain Showers Likely

    • 61
    • 81

    Slight Chance Thunderstorms

    • 65
    • 85

    Slight Chance Thunderstorms

    • 69
    • 89

    Mostly Sunny

    • 71
    • 91

    Mostly Sunny

Today 3 Aug Decatur

Sunny. Highs in the upper 80s. South Winds around 10 Mph.

Tonight 3 Aug Decatur

Mostly clear. Humid with Lows in the mid 60s. South Winds 5 to 10 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur City Temperature Statistics

August Temperature

Lamoni, Lamoni Municipal Airport (8.1 miles)

  • Lowest 1 August, 2026

    62.1 °F

  • Average August

    70.3 °F

  • Highest 1 August, 2026

    80.1 °F

Climate (2021–2026)

Lamoni, Lamoni Municipal Airport (8.1 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.5 °F

  • Average 2021–2026

    53.6 °F

  • Average High 2021–2026

    63.9 °F
Get WillyWeather+ to remove ads