10-Day Weather Forecast - Portland, TN

Mostly cloudy. Highs in the upper 20s. Northwest winds around 5 mph.

Mostly cloudy. Cold with lows around 18. South winds around 5 mph.

Mostly sunny. Highs in the lower 40s. Southwest winds around 5 mph.

Partly cloudy in the evening then becoming mostly cloudy. Lows in the upper 20s. South winds around 5 mph.

Cloudy. A slight chance of rain showers in the morning then rain showers likely in the afternoon. Highs in the mid 40s. South winds around 5 mph becoming southwest around 5 mph in the afternoon. Chance of rain 60 percent.

Cloudy. A chance of rain showers in the evening. Lows in the upper 20s. Chance of rain 40 percent.

Mostly cloudy in the morning then becoming partly sunny. Highs in the mid 30s.

Mostly cloudy in the evening then becoming partly cloudy. Cold with lows 15 to 20.

Mostly sunny. Highs in the mid 30s.

Partly cloudy. Lows in the mid 20s.

Mostly sunny. Highs in the upper 40s.

Mostly cloudy. Lows in the mid 20s.

Mostly sunny. Highs in the upper 30s.

Partly cloudy. Low temperature around 32F. Dew point will be around 25F with an average humidity of 74%. Winds will be 1 mph from the SE.

Cloudy. High temperature around 43F. Dew point will be around 29F with an average humidity of 66%. Winds will be 2 mph from the W.

Partly cloudy. Low temperature around 31F. Dew point will be around 29F with an average humidity of 81%. Winds will be 2 mph from the N.

Mostly sunny. High temperature around 42F. Dew point will be around 27F with an average humidity of 63%. Winds will be 2 mph from the W.

Mostly clear. Low temperature around 32F. Dew point will be around 27F with an average humidity of 76%. Winds will be 1 mph from the NW.