S
M
T
W
T
F
S
31
77°
49°
1
81°
60°
2
74°
48°
3
81°
43°
4
86°
47°
5
90°
52°
6
91°
65°
7
93°
68°
8
90°
61°
9
87°
67°
10
84°
68°
11
91°
68°
12
94°
67°
13
91°
68°
14
92°
67°
15
85°
67°
16
84°
65°
17
83°
64°
18
86°
67°
19
85°
64°
20
84°
67°
21
88°
66°
22
89°
67°
23
88°
68°
24
90°
67°
25
90°
68°
26
91°
69°
27
92°
69°
28
91°
68°
29
91°
68°
30
90°
69°
1
90°
69°
2
92°
70°
3
91°
69°
4
92°
70°
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 83° to 94°, with overnight lows between 61° and 70°. The average high for June is 89° with an average low of 67°. 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.
