Decatur Weather Forecast

    • 26
    • 44

    Decreasing Clouds

    • 34
    • 46

    Mostly Sunny

    • 48
    • 58

    Mostly Cloudy

    • 58
    • 69

    Chance Rain Showers

    • 60
    • 77

    Chance Rain Showers

    • 50
    • 71

    Rain Showers Likely

Today 27 Mar Adams

Mostly cloudy and much cooler. Near steady temperature in the upper 30s. North Winds 10 to 15 Mph.

Tonight 27 Mar Adams

Partly cloudy. Lows in the mid 20s. Northwest Winds 10 to 15 Mph. Gusts up to 25 Mph in the evening.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Decatur Temperature Statistics

March Temperature

Fort Wayne International Airport (17.4 miles)

  • Lowest 17 March, 2026

    17.7 °F

  • Average March

    45.6 °F

  • Highest 20 March, 2026

    77.6 °F

Climate (2021–Present)

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

    52.7 °F

  • Average High 2021–2026

    62.6 °F
Get WillyWeather+ to remove ads