Monthly Historical AveragesSouth Boston, MA
Average Temperature
High
19°
Feels 19
Low
11°
Feels 9
Average Precipitation
10 Days
68.7mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, May 28, 2026
Day
18°Feels 18
Wind
15 km/h E
Gust
23 km/h
Humidity
64%
P.O.P
60%
Rain
~1 mm
Night
12°Feels 10
Wind
16 km/h N
Gust
24 km/h
Humidity
82%
P.O.P
40%
Rain
<1 mm
Historical AveragesMay 28
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity