S
M
T
W
T
F
S
31
68°
48°
1
57°
43°
2
69°
51°
3
74°
56°
4
80°
61°
5
84°
65°
6
82°
63°
7
75°
62°
8
74°
60°
9
74°
58°
10
74°
61°
11
77°
61°
12
75°
62°
13
73°
59°
14
71°
58°
15
72°
56°
16
71°
56°
17
71°
57°
18
73°
59°
19
73°
60°
20
74°
59°
21
73°
58°
22
73°
58°
23
74°
59°
24
74°
65°
25
75°
62°
26
76°
61°
27
75°
65°
28
79°
66°
29
76°
63°
30
75°
61°
1
74°
61°
2
76°
64°
3
77°
68°
4
79°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in South Boston
South Boston's June 2026 forecast shows daily high temperatures ranging from 57° to 84°, with overnight lows between 43° and 68°. The average high for June is 74° with an average low of 60°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in South Boston. See also: July | August | September.
