Decatur Weather Forecast

    • 47
    • 72

    Mostly Sunny

    • 56
    • 75

    Mostly Sunny

    • 59
    • 80

    Mostly Cloudy

    • 57
    • 69

    Chance Rain Showers

    • 57
    • 77

    Partly Sunny

    • 45
    • 70

    Partly Sunny

Today 8 Oct Adams

Sunny. Highs in the lower 70s. West Winds 5 to 10 Mph. Gusts up to 20 Mph in the afternoon.

Tonight 8 Oct Adams

Clear. Lows in the upper 40s. Northwest Winds 5 to 10 Mph in the Evening, becoming light and variable.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Temperature Statistics

October Temperature

Fort Wayne International Airport (17.4 miles)

  • Lowest 4 October, 2026

    44.1 °F

  • Average October

    61.5 °F

  • Highest 1 October, 2026

    87.7 °F

Climate (2021–2026)

Fort Wayne International Airport (17.4 miles)

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

  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    62.7 °F
Get WillyWeather+ to remove ads