10-Day Weather Forecast - Groton, CT

Mostly cloudy. A slight chance of rain in the morning. Highs in the mid 40s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the morning. Chance of rain 20 percent.

Cloudy. A slight chance of rain in the evening then a chance of rain after midnight. Lows in the lower 30s. South winds around 5 mph. Chance of rain 40 percent.

Mostly cloudy with a slight chance of rain in the morning then mostly sunny in the afternoon. Highs around 40. West winds 10 to 15 mph with gusts up to 25 mph. Chance of rain 20 percent.

Mostly clear. Cooler with lows 15 to 20.

Sunny. Highs in the mid 30s.

Mostly cloudy. Lows in the upper 20s.

Mostly sunny. Highs in the lower 40s.

Mostly cloudy. Lows in the mid 20s.

Partly sunny. Highs in the mid 30s.

Partly cloudy. Lows in the lower 20s.

Mostly sunny. Highs in the lower 30s.

Mostly cloudy in the evening then becoming partly cloudy. Lows around 20.

Mostly sunny. Highs in the upper 20s.

Clear. Low temperature around 12F. Dew point will be around 4F with an average humidity of 59%. Winds will be 9 mph from the W.

Sunny. High temperature around 26F. Dew point will be around 6F with an average humidity of 52%. Winds will be 9 mph from the W.

Partly cloudy. Low temperature around 22F. Dew point will be around 13F with an average humidity of 67%. Winds will be 8 mph from the W.

Partly cloudy. High temperature around 34F. Dew point will be around 19F with an average humidity of 66%. Winds will be 9 mph from the W.

Partly cloudy. Low temperature around 24F. Dew point will be around 20F with an average humidity of 76%. Winds will be 6 mph from the W.