10-Day Weather Forecast - South Boston, MA

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  • Weekend Weather

  • |33°F
    Mostly Clear
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    Tonight

    33°F

    Mostly clear. Lows in the lower 30s. West winds 15 to 20 mph with gusts up to 35 mph diminishing to 5 to 10 mph with gusts up to 25 mph after midnight.

    Hourly details
  • Day

    42°F

    Partly sunny. Highs in the mid 40s. North winds around 5 mph becoming southeast in the afternoon.

    Night

    40°F

    Mostly cloudy. Rain showers likely after midnight. Lows in the mid 30s. Southeast winds 5 to 10 mph with gusts up to 25 mph. Chance of rain 60 percent.

    Hourly details
  • Day

    60°F

    Showers. Not as cool with highs in the lower 60s. South winds 10 to 15 mph with gusts up to 35 mph. Chance of rain near 100 percent.

    Night

    50°F

    Showers. Lows around 40. South winds 15 to 20 mph with gusts up to 60 mph. Chance of rain near 100 percent.

    Hourly details
  • Day

    47°F

    Partly sunny with a 30 percent chance of showers. Cooler with highs in the upper 40s.

    Night

    27°F

    Mostly clear. Lows in the mid 20s. Highs in the upper 30s.

    Hourly details
  • Day

    37°F

    Mostly clear. Lows in the mid 20s. Highs in the upper 30s.

    Night

    34°F

    Mostly cloudy. Lows in the lower 30s. Highs in the mid 40s.

    Hourly details
  • Day

    46°F

    Mostly cloudy. Lows in the lower 30s. Highs in the mid 40s.

    Night

    35°F

    Mostly cloudy. Lows in the lower 30s. Highs in the mid 40s.

    Hourly details
  • Day

    51°F

    Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.

    Night

    35°F

    Partly cloudy. Highs in the upper 40s. Lows in the lower 30s.

    Hourly details
  • Weekend Weather

  • Day

    45°F

    Mostly cloudy with a 40 percent chance of rain. Highs in the mid 40s.

    Night

    31°F

    Mostly cloudy with a slight chance of rain-snow mix. Chance of precipitation 25%. Low temperature around 31F. Dew point will be around 22F with an average humidity of 56%. Winds will be 9 mph from the W.

  • Day

    39°F

    Mostly cloudy. High temperature around 39F. Dew point will be around 14F with an average humidity of 42%. Winds will be 12 mph from the NW.

    Night

    27°F

    Partly cloudy. Low temperature around 27F. Dew point will be around 13F with an average humidity of 48%. Winds will be 9 mph from the NW.

  • Day

    39°F

    Sunny. High temperature around 39F. Dew point will be around 13F with an average humidity of 41%. Winds will be 10 mph from the W.

    Night

    28°F

    Mostly clear. Low temperature around 28F. Dew point will be around 16F with an average humidity of 51%. Winds will be 9 mph from the NW.