10-Day Weather Forecast - South Boston, MA

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  • 31|16°F
    Mostly Sunny
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    Today

    31°F

    Mostly sunny. Highs in the lower 30s. Temperature falling into the lower 20s late. West winds 15 to 20 mph with gusts up to 30 mph.

    Tonight

    16°F

    Mostly clear in the evening then becoming mostly cloudy. Cooler. Near steady temperature around 17. West winds 10 to 15 mph with gusts up to 30 mph.

    Hourly details
  • Day

    25°F

    Mostly sunny. Highs in the upper 20s. West winds 5 to 10 mph with gusts up to 20 mph.

    Night

    20°F

    Mostly clear. Lows around 18. West winds 5 to 10 mph with gusts up to 20 mph.

    Hourly details
  • Weekend Weather

  • Day

    29°F

    Mostly sunny. Highs around 30. West winds 5 to 10 mph with gusts up to 20 mph.

    Night

    24°F

    Mostly cloudy. Lows around 20. Highs around 30.

    Hourly details
  • Day

    29°F

    Mostly cloudy. Lows around 20. Highs around 30.

    Night

    17°F

    Mostly clear. Lows 10 to 15.

    Hourly details
  • Day

    25°F

    Mostly sunny. Cold with highs in the mid 20s.

    Night

    24°F

    Mostly cloudy. A 30 percent chance of snow. Lows around 20. Highs in the mid 30s.

    Hourly details
  • Day

    33°F

    Mostly cloudy. A 30 percent chance of snow. Lows around 20. Highs in the mid 30s.

    Night

    32°F

    Mostly cloudy with a chance of snow and rain. Near steady temperature around 30. Chance of precipitation 30 percent.

    Hourly details
  • Day

    37°F

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

    Night

    31°F

    Partly cloudy with a chance of rain-snow mix. Chance of precipitation 40%. Low temperature around 31F. Dew point will be around 33F with an average humidity of 99%. Winds will be 9 mph from the SW.

  • Day

    43°F

    Mostly sunny. High temperature around 43F. Dew point will be around 36F with an average humidity of 86%. Winds will be 9 mph from the W.

    Night

    32°F

    Clear. Low temperature around 32F. Dew point will be around 29F with an average humidity of 84%. Winds will be 6 mph from the W.

  • Day

    39°F

    Partly cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 39F. Dew point will be around 30F with an average humidity of 76%. Winds will be 6 mph from the W.

    Night

    35°F

    Cloudy with a slight chance of rain. Chance of precipitation 30%. Low temperature around 35F. Dew point will be around 32F with an average humidity of 85%. Winds will be 5 mph from the SW.

  • Weekend Weather

  • Day

    44°F

    Cloudy with a slight chance of rain. Chance of precipitation 25%. High temperature around 44F. Dew point will be around 37F with an average humidity of 84%. Winds will be 5 mph from the SW.

    Night

    39°F

    Cloudy with a chance of rain. Chance of precipitation 40%. Low temperature around 39F. Dew point will be around 37F with an average humidity of 90%. Winds will be 6 mph from the SW.