Weather in South Boston, MA
Updated 2026-08-11 12:00 local time · ZIP codes 02127
Cloudy
No government weather alerts were returned for this location at the latest update.
Next hours
82°2% rain
93°1% rain90°2% rain94°1% rain93°1% rain87°1% rain86°1% rain84°1% rain
80°1% rain77°1% rain75°1% rain74°2% rain3-day weather forecast
Weather details
Sunrise, sunset and moon
Weather insights for today
Rain chance stays relatively low over the next 12 hours (up to 2%).
It feels like 83°F with winds near 11 mph.
80°F, 1% rain chance and 6 mph wind.
Visibility is around 10 mi; gusts may reach 12 mph.
Current temperature is 82°F, wind 11 mph, rain chance up to 2%.
UV index is 6. Sunscreen, shade and protective clothing are recommended.
South Boston weather today
Cloudy and 82°F in South Boston, MA. Today's high is 94°F with a 3% rain chance. Winds are around 11 mph with gusts near 12 mph. Relative humidity is 55%, pressure is 29.79 inHg, and visibility is about 10 miles.
Tonight and tomorrow in South Boston
Sunrise is at 05:47 AM and sunset is at 07:51 PM. Tomorrow's forecast calls for Sunny with a high near 84°F and a low near 69°F. The maximum rain chance is 3%.