10-Day Weather Forecast - Portland, CT

Mostly sunny. Humid with highs in the lower 90s. West winds 5 to 10 mph. Heat index values up to 100.

Mostly cloudy with a chance of showers with a slight chance of thunderstorms in the evening then partly cloudy with a chance of showers after midnight. Lows in the mid 60s. Northwest winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 40 percent.

Sunny. Less humid with highs in the upper 80s. Northwest winds 5 to 10 mph with gusts up to 20 mph.

Mostly clear. Lows in the mid 60s. Northwest winds 5 to 10 mph in the evening becoming light and variable.

Mostly sunny. Highs in the upper 80s.

Showers. Lows in the upper 50s. Chance of rain 80 percent.

Partly sunny. A chance of showers in the morning. Highs in the upper 70s. Chance of rain 50 percent.

Partly cloudy. Lows in the mid 50s.

Mostly sunny. Highs in the upper 70s.

Partly cloudy. Lows in the upper 50s.

Mostly sunny. Highs in the lower 80s.

Partly cloudy. Lows in the upper 50s.

Partly sunny. A chance of showers in the afternoon. Highs in the lower 80s. Chance of rain 30 percent.

Partly cloudy with probable rain. Chance of precipitation 65%. Low temperature around 68F. Dew point will be around 65F with an average humidity of 82%. Winds will be 7 mph from the SW.

Sunny with a chance of rain. Chance of precipitation 40%. High temperature around 83F. Dew point will be around 62F with an average humidity of 60%. Winds will be 9 mph from the W.

Mostly clear with a slight chance of rain. Chance of precipitation 25%. Low temperature around 65F. Dew point will be around 58F with an average humidity of 66%. Winds will be 5 mph from the W.

Mostly sunny. High temperature around 80F. Dew point will be around 54F with an average humidity of 50%. Winds will be 8 mph from the W.

Partly cloudy. Low temperature around 64F. Dew point will be around 55F with an average humidity of 64%. Winds will be 4 mph from the W.