10-Day Weather Forecast - Portland, CT

Mostly sunny. Humid with highs in the mid 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon.

Mostly cloudy. A slight chance of showers and thunderstorms in the evening then a slight chance of showers after midnight. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the evening. Chance of rain 20 percent.

Partly sunny. Showers likely with a chance of thunderstorms in the afternoon. Humid with highs in the upper 80s. West winds around 5 mph. Chance of rain 60 percent. Heat index values in the mid 90s in the afternoon.

Mostly cloudy. Showers likely with a chance of thunderstorms in the evening. Lows in the mid 60s. Chance of rain 60 percent.

Mostly sunny. Highs in the lower 80s.

Mostly clear. Lows in the lower 60s.

Sunny. Highs in the lower 80s.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s.

Mostly sunny. Highs in the mid 80s.

Partly cloudy. Lows in the mid 60s.

Sunny. Highs in the upper 80s.

Mostly clear. Low temperature around 70F. Dew point will be around 67F with an average humidity of 79%. Winds will be 5 mph from the SW.

Mostly sunny. High temperature around 85F. Dew point will be around 67F with an average humidity of 67%. Winds will be 6 mph from the W.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 69F. Dew point will be around 66F with an average humidity of 76%. Winds will be 3 mph from the W.

Mostly sunny with widely scattered thunderstorms. Chance of storms 25%. High temperature around 84F. Dew point will be around 65F with an average humidity of 64%. Winds will be 4 mph from the W.

Clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 67F. Dew point will be around 64F with an average humidity of 79%. Winds will be 3 mph from the W.