10-Day Weather Forecast - Old Greenwich, CT

Sunny. Highs in the upper 70s. North winds 5 to 10 mph becoming south in the afternoon.

Mostly clear in the evening then becoming partly cloudy. Lows in the mid 60s. Southwest winds around 5 mph.

Partly sunny. A slight chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 80s. Southwest winds 5 to 10 mph. Gusts up to 20 mph in the afternoon. Chance of rain 20 percent.

Mostly cloudy. A chance of showers with a slight chance of thunderstorms in the evening then a chance of showers after midnight. Humid with lows in the upper 60s. Southwest winds 5 to 10 mph. Chance of rain 40 percent.

Partly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent. Heat index values in the upper 90s.

Mostly cloudy with a chance of showers and thunderstorms in the evening then partly cloudy after midnight. Lows in the upper 60s. Chance of rain 50 percent.

Mostly sunny. Highs in the lower 80s.

Partly cloudy in the evening then clearing. Lows in the mid 60s.

Sunny. Highs in the lower 80s.

Partly cloudy. Lows in the mid 60s.

Mostly sunny. Highs in the mid 80s.

Partly cloudy in the evening then becoming mostly clear. Lows in the upper 60s.

Sunny. Highs in the upper 80s. Heat index values in the mid 90s in the afternoon.

Mostly clear. Low temperature around 71F. Dew point will be around 67F with an average humidity of 75%. Winds will be 6 mph from the W.

Mostly sunny. High temperature around 85F. Dew point will be around 68F with an average humidity of 66%. Winds will be 6 mph from the W.

Mostly clear with widely scattered thunderstorms. Chance of storms 25%. Low temperature around 71F. Dew point will be around 66F with an average humidity of 73%. Winds will be 5 mph from the NW.

Mostly sunny. High temperature around 83F. Dew point will be around 66F with an average humidity of 65%. Winds will be 4 mph from the W.

Clear. Low temperature around 69F. Dew point will be around 65F with an average humidity of 74%. Winds will be 4 mph from the NW.