S
M
T
W
T
F
S
31
73°
70°
1
84°
68°
2
81°
61°
3
81°
52°
4
84°
54°
5
90°
57°
6
88°
59°
7
88°
66°
8
91°
68°
9
90°
66°
10
91°
70°
11
95°
70°
12
97°
73°
13
99°
73°
14
93°
73°
15
94°
70°
16
78°
70°
17
84°
72°
18
93°
73°
19
88°
73°
20
88°
68°
21
93°
70°
22
96°
72°
23
90°
73°
24
88°
72°
25
89°
71°
26
86°
71°
27
89°
72°
28
92°
73°
29
86°
71°
30
88°
70°
1
88°
69°
2
86°
71°
3
89°
72°
4
90°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Dorchester
Dorchester's June 2026 forecast shows daily high temperatures ranging from 78° to 96°, with overnight lows between 68° and 73°. The average high for June is 89° with an average low of 71°. 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 Dorchester. See also: July | August | September.
