Decatur Weather Forecast
- 45
- 76
Increasing Clouds
- 58
- 76
Mostly Sunny
- 37
- 80
Partly Sunny
- 36
- 53
Mostly Cloudy
- 40
- 57
Mostly Cloudy
- 50
- 63
Partly Sunny
Today 20 Mar Macon
Mostly sunny. Highs in the mid 70s. Southwest Winds 10 to 15 Mph, becoming west in the afternoon.
Tonight 20 Mar Macon
Partly cloudy in the Evening, then becoming mostly cloudy. Lows in the mid 40s. North Winds 5 to 10 Mph, becoming northeast after midnight.
Decatur Temperature Statistics
March Temperature
Decatur Airport (4.3 miles)
Lowest 16 March, 2026
17.1 °FAverage March
47.4 °FHighest 10 March, 2026
80.1 °F
Climate (2021–Present)
Decatur Airport (4.3 miles)
Average Low 2021–2026
45.3 °FAverage 2021–2026
55.4 °FAverage High 2021–2026
65.4 °F