10-Day Weather Forecast - Decatur, TN

Sunny. Highs in the lower to mid 60s. Southwest winds 5 to 15 mph with gusts up to 30 mph.

Mostly clear. Lows in the upper 30s. Light winds.

Mostly sunny. Highs in the upper 60s to lower 70s. Light winds.

Mostly clear in the evening then becoming partly cloudy. Lows in the upper 40s. Light winds. Gusts up to 20 mph after midnight.

Mostly cloudy. Highs in the upper 60s to lower 70s.

Mostly cloudy. A chance of showers in the evening then showers with a slight chance of thunderstorms after midnight. Lows in the upper 30s. Chance of rain 90 percent.

Mostly cloudy. A chance of rain and snow showers in the morning. Much cooler with highs in the upper 40s to lower 50s. Chance of precipitation 30 percent.

Mostly cloudy in the evening then clearing. Colder with lows around 20.

Sunny. Highs in the lower 40s.

Mostly clear in the evening then becoming partly cloudy. Cold with lows in the mid 20s.

Partly sunny. Highs in the lower to mid 50s.

Partly cloudy. Lows in the mid 30s.

Mostly sunny. Highs in the lower to mid 60s.

Mostly clear. Low temperature around 44F. Dew point will be around 42F with an average humidity of 79%. Winds will be 3 mph from the SW.

Cloudy. High temperature around 65F. Dew point will be around 47F with an average humidity of 73%. Winds will be 4 mph from the W.

Mostly clear. Low temperature around 44F. Dew point will be around 46F with an average humidity of 81%. Winds will be 2 mph from the NW.

Mostly sunny. High temperature around 71F. Dew point will be around 46F with an average humidity of 66%. Winds will be 2 mph from the W.

Clear. Low temperature around 49F. Dew point will be around 48F with an average humidity of 75%. Winds will be 2 mph from the W.