S
M
T
W
T
F
S
31
N/A
1
73°
44°
2
74°
40°
3
77°
51°
4
79°
60°
5
78°
56°
6
77°
56°
7
78°
58°
8
77°
57°
9
76°
58°
10
76°
55°
11
75°
55°
12
72°
53°
13
74°
47°
14
72°
43°
15
66°
43°
16
66°
44°
17
67°
44°
18
69°
48°
19
72°
53°
20
75°
53°
21
75°
54°
22
77°
54°
23
72°
53°
24
73°
46°
25
69°
48°
26
70°
54°
27
75°
54°
28
70°
51°
29
71°
50°
30
70°
50°
1
71°
52°
2
73°
55°
3
76°
55°
4
74°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Brockton
Brockton's June 2026 forecast shows daily high temperatures ranging from 66° to 79°, with overnight lows between 40° and 60°. The average high for June is 73° with an average low of 51°. 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 Brockton. See also: July | August | September.