Decatur Weather Forecast
- 60
- 80
Mostly Cloudy
- 66
- 83
Mostly Cloudy
- 68
- 86
Chance Thunderstorms
- 68
- 84
Rain Showers Likely
- 63
- 81
Chance Thunderstorms
- 68
- 83
Slight Chance Thunderstorms
Today 15 Jun Adams
Mostly cloudy Early, then becoming partly cloudy. Highs in the lower 80s. Northeast Winds 5 to 10 Mph.
Tonight 15 Jun Adams
Partly cloudy. Lows in the lower 60s. Northeast Winds 5 to 10 Mph.
Decatur Temperature Statistics
June Temperature
Fort Wayne International Airport (17.4 miles)
Lowest 2 June, 2025
40.6 °FAverage June
68.5 °FHighest 3 June, 2025
89.7 °F
Climate (2020–Present)
Fort Wayne International Airport (17.4 miles)
Average Low 2020–2025
43.2 °FAverage 2020–2025
52.6 °FAverage High 2020–2025
62.3 °F