10-Day Weather Forecast - South Boston, MA

Mostly cloudy in the morning then becoming partly sunny. Patchy fog in the morning. Cooler with highs in the lower 40s. Temperature falling into the mid 30s in the afternoon. Southwest winds 15 to 20 mph with gusts up to 30 mph.

Partly cloudy. Much cooler with lows around 18. West winds 15 to 20 mph with gusts up to 35 mph.

Sunny cooler with highs in the lower 30s. West winds 15 to 20 mph with gusts up to 35 mph.

Mostly cloudy and not as cool. Near steady temperature in the upper 20s.

Mostly cloudy with a 40 percent chance of rain. Not as cool with highs in the lower 40s.

Mostly cloudy with a chance of rain and snow. Lows in the upper 20s. Chance of precipitation 40 percent.

Mostly cloudy with a 30 percent chance of snow. Highs in the mid 30s.

Partly cloudy with a 30 percent chance of snow. Lows in the lower 20s.

Mostly sunny. Highs in the lower 30s.

Mostly cloudy. Lows in the lower 20s.

Mostly sunny. Highs around 30.

Mostly clear. Low temperature around 15F. Dew point will be around 1F with an average humidity of 47%. Winds will be 13 mph from the W.

Sunny. High temperature around 24F. Dew point will be around 2F with an average humidity of 45%. Winds will be 12 mph from the W.

Mostly cloudy. Low temperature around 18F. Dew point will be around 6F with an average humidity of 56%. Winds will be 10 mph from the W.

Partly cloudy. High temperature around 26F. Dew point will be around 8F with an average humidity of 51%. Winds will be 11 mph from the W.

Mostly clear. Low temperature around 18F. Dew point will be around 8F with an average humidity of 58%. Winds will be 9 mph from the W.

Partly cloudy with a slight chance of snow. Chance of precipitation 25%. High temperature around 30F. Dew point will be around 14F with an average humidity of 59%. Winds will be 9 mph from the SW.

Cloudy with a chance of snow. Chance of precipitation 35%. Low temperature around 26F. Dew point will be around 21F with an average humidity of 76%. Winds will be 7 mph from the W.