10-Day Weather Forecast - South Boston, MA

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  • |39°F
    50% Chance of Rain
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    Tonight

    39°F

    Partly cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 39F. Dew point will be around 40F with an average humidity of 97%. Winds will be 13 mph from the S.

    Hourly details
  • Day

    58°F

    Rain windy and not as cool with highs in the upper 50s. South winds 20 to 30 mph. Gusts up to 50 mph increasing to 60 mph this afternoon. Chance of rain near 100 percent.

    Night

    29°F

    Mostly cloudy with a slight chance of rain showers in the evening then mostly clear after midnight. Blustery cooler with lows in the upper 20s. West winds 15 to 25 mph with gusts up to 45 mph. Chance of rain 20 percent.

    Hourly details
  • Weekend Weather

  • Day

    37°F

    Mostly sunny. Much cooler with highs in the upper 30s. West winds 10 to 15 mph. Gusts up to 35 mph decreasing to 20 mph in the afternoon.

    Night

    35°F

    Mostly cloudy. Lows in the lower 30s. Southwest winds 10 to 15 mph. Gusts up to 20 mph increasing to 30 mph after midnight.

    Hourly details
  • Day

    45°F

    Mostly sunny. Highs in the mid 40s. West winds 10 to 15 mph with gusts up to 30 mph.

    Night

    26°F

    Mostly clear. Lows in the lower 20s. Highs in the lower 30s.

    Hourly details
  • Day

    32°F

    Mostly clear. Lows in the lower 20s. Highs in the lower 30s.

    Night

    29°F

    Partly cloudy. Lows in the lower 20s.

    Hourly details
  • Day

    38°F

    Snow likely with a chance of rain. Highs in the upper 30s. Chance of precipitation 60 percent.

    Night

    35°F

    Mostly cloudy with a chance of snow and rain. Lows in the upper 20s. Chance of precipitation 50 percent.

    Hourly details
  • Day

    35°F

    Partly cloudy. Highs in the upper 30s. Lows in the mid 20s.

    Night

    26°F

    Partly cloudy. Highs in the upper 30s. Lows in the mid 20s.

    Hourly details
  • Day

    39°F

    Partly sunny with a chance of rain. Highs in the lower 40s. Chance of rain 40 percent.

    Night

    38°F

    Cloudy with a chance of rain. Chance of precipitation 45%. Low temperature around 38F. Dew point will be around 34F with an average humidity of 81%. Winds will be 4 mph from the SW.

  • Day

    46°F

    Cloudy with a chance of rain. Chance of precipitation 50%. High temperature around 46F. Dew point will be around 38F with an average humidity of 80%. Winds will be 6 mph from the W.

    Night

    37°F

    Cloudy with a chance of rain. Chance of precipitation 35%. Low temperature around 37F. Dew point will be around 33F with an average humidity of 75%. Winds will be 6 mph from the W.

  • Weekend Weather

  • Day

    42°F

    Mostly sunny. High temperature around 42F. Dew point will be around 28F with an average humidity of 64%. Winds will be 6 mph from the W.

    Night

    35°F

    Partly cloudy. Low temperature around 35F. Dew point will be around 26F with an average humidity of 65%. Winds will be 7 mph from the W.