10-Day Weather Forecast - Decatur, TN

A slight chance of rain showers in the morning then rain showers in the afternoon. Highs in the upper 40s to lower 50s. Temperature falling into the upper 30s in the afternoon. West winds 10 mph or less. Chance of rain 90 percent.

Mostly cloudy. A chance of rain and snow showers in the evening then a slight chance of snow showers after midnight. Colder with lows in the lower 20s. Northwest winds 5 to 15 mph with gusts up to 25 mph. Chance of precipitation 40 percent.

Mostly sunny. Cooler with highs in the lower to mid 30s. Northwest winds 5 to 10 mph with gusts up to 25 mph.

Mostly clear in the evening then becoming partly cloudy. Cold with lows around 18. Light winds.

Partly sunny. Highs in the lower to mid 40s.

Mostly cloudy. A slight chance of rain showers freezing rain and snow showers after midnight. Cold with lows in the upper 20s. Chance of precipitation 20 percent.

Mostly sunny. Highs in the upper 30s to lower 40s.

Partly cloudy. Cold with lows around 16.

Sunny. Highs in the lower to mid 30s.

Mostly clear. Cold with lows around 18.

Sunny. Highs in the lower to mid 40s.

Partly cloudy. Cold with lows around 19.

Sunny. Highs in the upper 30s to lower 40s.

Clear. Low temperature around 22F. Dew point will be around 18F with an average humidity of 71%. Winds will be 1 mph from the SE.

Mostly sunny. High temperature around 45F. Dew point will be around 25F with an average humidity of 65%. Winds will be 4 mph from the S.

Mostly cloudy with a slight chance of rain. Chance of precipitation 25%. Low temperature around 33F. Dew point will be around 31F with an average humidity of 82%. Winds will be 4 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 45%. High temperature around 49F. Dew point will be around 40F with an average humidity of 87%. Winds will be 6 mph from the S.

Cloudy with a chance of rain. Chance of precipitation 50%. Low temperature around 42F. Dew point will be around 43F with an average humidity of 94%. Winds will be 6 mph from the S.