S
M
T
W
T
F
S
29
49°
27°
30
61°
31°
31
40°
32°
1
40°
32°
2
44°
29°
3
69°
37°
4
47°
40°
5
54°
31°
6
40°
25°
7
33°
22°
8
43°
32°
9
61°
42°
10
51°
37°
11
60°
43°
12
59°
39°
13
57°
40°
14
56°
40°
15
55°
35°
16
57°
40°
17
56°
33°
18
55°
36°
19
58°
40°
20
60°
40°
21
59°
39°
22
53°
41°
23
58°
42°
24
62°
38°
25
56°
35°
26
52°
31°
27
53°
33°
28
56°
33°
29
53°
35°
30
53°
35°
1
54°
36°
2
55°
34°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Williamstown
Williamstown's April 2026 forecast shows daily high temperatures ranging from 33° to 62°, with overnight lows between 22° and 43°. The average high for April is 54° with an average low of 36°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Williamstown. See also: May | June | July.
