Decatur Weather Forecast
- 46
- 75
Slight Chance Thunderstorms
- 59
- 76
Chance Rain Showers
- 55
- 71
Rain Showers
- 36
- 68
Slight Chance Thunderstorms
- 36
- 63
Mostly Sunny
- 47
- 72
Partly Sunny
Today 13 Mar Meigs
Mostly cloudy this Morning, then partly sunny with a slight chance of Showers and Thunderstorms this afternoon. Highs in the mid 70s. Light Winds. Chance of rain 20 percent.
Tonight 13 Mar Meigs
Partly cloudy. A slight chance of Showers in the evening. Lows in the upper 40s. Light Winds. Chance of rain 20 percent.
Decatur Temperature Statistics
March Temperature
Athens McMinn County Airport (14.9 miles)
Lowest 3 March, 2025
21.2 °FAverage March
47.2 °FHighest 4 March, 2025
69.8 °F
Climate (2020–Present)
Athens McMinn County Airport (14.9 miles)
Average Low 2020–2025
49.1 °FAverage 2020–2025
59.7 °FAverage High 2020–2025
71.3 °F