10-Day Weather Forecast - Groton, CT

Sunny with highs in the upper 80s. Southwest winds 5 to 10 mph. Heat index values in the upper 90s in the afternoon.

Partly cloudy. A slight chance of showers and thunderstorms in the evening then a chance of showers after midnight. Lows in the upper 60s. West winds 5 to 10 mph becoming northwest with gusts up to 20 mph after midnight. Chance of rain 30 percent.

Sunny. Highs in the upper 80s. Northwest winds 5 to 10 mph. Gusts up to 20 mph in the morning.

Mostly clear. Lows in the mid 60s. Northwest winds around 5 mph.

Mostly sunny. Highs in the mid 80s.

Showers. Lows around 60. Chance of rain 80 percent.

Partly sunny. Showers likely in the morning. Highs around 80. Chance of rain 70 percent.

Partly cloudy. Lows in the upper 50s.

Mostly sunny. Highs in the upper 70s.

Partly cloudy. Lows in the upper 50s.

Mostly sunny. Highs around 80.

Partly cloudy. Lows in the upper 50s.

Partly sunny. A chance of showers in the afternoon. Highs in the upper 70s. Chance of rain 30 percent.

Partly cloudy with probable rain. Chance of precipitation 65%. Low temperature around 67F. Dew point will be around 64F with an average humidity of 83%. Winds will be 8 mph from the SW.

Sunny with a chance of rain. Chance of precipitation 40%. High temperature around 78F. Dew point will be around 64F with an average humidity of 70%. Winds will be 11 mph from the W.

Mostly clear with a slight chance of rain. Chance of precipitation 30%. Low temperature around 64F. Dew point will be around 57F with an average humidity of 69%. Winds will be 7 mph from the W.

Sunny. High temperature around 75F. Dew point will be around 56F with an average humidity of 60%. Winds will be 9 mph from the W.

Mostly clear. Low temperature around 62F. Dew point will be around 54F with an average humidity of 66%. Winds will be 6 mph from the W.