10-Day Weather Forecast - South Boston, MA

Cloudy with a slight chance of showers in the morning, then mostly sunny in the afternoon. Much cooler. Near steady temperature in the upper 40s. Northwest winds 15 to 20 mph with gusts up to 30 mph. Chance of rain 20 percent.

Clear. Patchy frost after midnight. Cooler with lows in the lower 30s. Northwest winds 10 to 15 mph with gusts up to 30 mph, becoming north around 5 mph after midnight.

Sunny. Patchy frost. Highs in the lower 50s. Northwest winds around 5 mph, becoming northeast in the afternoon.

Mostly clear. Lows around 40. East winds around 5 mph.

Mostly sunny. Highs in the mid 50s.

Mostly cloudy. Lows in the lower 40s.

Mostly cloudy. Highs in the upper 50s.

Partly cloudy. Lows in the upper 40s.

Partly cloudy. Highs in the mid 50s.

Partly cloudy. Lows in the upper 40s.

Mostly cloudy. Highs in the mid 50s.

Mostly cloudy. Lows in the mid 40s.

Mostly sunny. Highs around 60.

Cloudy. Low temperature around 49F. Dew point will be around 39F with an average humidity of 70%. Winds will be 17 mph from the NE.

Cloudy. High temperature around 51F. Dew point will be around 42F with an average humidity of 71%. Winds will be 17 mph from the NE.

Cloudy. Low temperature around 49F. Dew point will be around 43F with an average humidity of 78%. Winds will be 15 mph from the NE.

Cloudy. High temperature around 52F. Dew point will be around 46F with an average humidity of 81%. Winds will be 14 mph from the NNE.

Cloudy. Low temperature around 48F. Dew point will be around 42F with an average humidity of 79%. Winds will be 12 mph from the NNE.