S
M
T
W
T
F
S
31
62°
33°
1
67°
30°
2
65°
44°
3
79°
38°
4
87°
53°
5
75°
51°
6
74°
54°
7
61°
40°
8
77°
36°
9
87°
45°
10
85°
54°
11
88°
62°
12
72°
49°
13
73°
49°
14
78°
58°
15
68°
55°
16
73°
47°
17
78°
43°
18
65°
49°
19
72°
55°
20
68°
49°
21
70°
46°
22
73°
51°
23
N/A
24
71°
52°
25
73°
56°
26
67°
55°
27
73°
51°
28
75°
52°
29
80°
53°
30
80°
56°
1
79°
58°
2
80°
60°
3
76°
56°
4
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
June Weather in Williamstown
Williamstown's June 2026 forecast shows daily high temperatures ranging from 67° to 80°, with overnight lows between 51° and 60°. The average high for June is 76° with an average low of 55°. 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 Williamstown. See also: July | August | September.
