Weather WorldSouth Boston, MA 7-Day Weather Forecast
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South Boston Weather Forecast
South Boston, MA Weather Forecast Date: 1002 PM EDT Sat Aug 15 2026
Weather forecast for South Boston, MA
Tonight Lo: 59°F Lo: 15°C |
Tonight... Mostly clear. Lows in the upper 50s. Southwest winds around 5 mph, becoming northwest. |
Sun Hi: 81°FHi: 27°C Lo: 69°F Lo: 21°C |
Sunday... Mostly sunny. Highs in the lower 80s. Northeast winds around 5 mph, becoming southeast in the afternoon. |
Mon Hi: 79°FHi: 26°C Lo: 65°F Lo: 18°C |
Monday... Showers with highs in the upper 70s. South winds 5 to 10 mph with gusts up to 20 mph. Chance of rain 90%. |
| Tue Hi: 80°FHi: 27°C Lo: 65°F Lo: 18°C |
Tuesday... Mostly sunny. Highs around 80. |
| Wed Hi: 85°FHi: 29°C Lo: 69°F Lo: 21°C |
Wednesday... Mostly clear. Lows in the mid 60s. Highs in the mid 80s. |
Thu Hi: 81°FHi: 27°C Lo: 61°F Lo: 16°C |
Thursday... Partly sunny with a chance of showers. Highs in the lower 80s. Chance of rain 40%. |
Fri Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Friday... Partly cloudy. Highs in the upper 70s. Lows in the lower 60s. |
| Sat Hi: 79°FHi: 26°C Lo: 61°F Lo: 16°C |
Saturday... Partly cloudy. Highs in the upper 70s. Lows in the lower 60s. |
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