S
M
T
W
T
F
S
29
67°
35°
30
75°
58°
31
81°
63°
1
77°
50°
2
81°
49°
3
78°
66°
4
79°
49°
5
54°
39°
6
61°
35°
7
50°
37°
8
66°
35°
9
75°
52°
10
74°
53°
11
66°
50°
12
81°
50°
13
78°
67°
14
81°
65°
15
82°
66°
16
78°
63°
17
81°
54°
18
72°
46°
19
59°
37°
20
56°
37°
21
75°
41°
22
79°
54°
23
82°
57°
24
79°
59°
25
75°
51°
26
74°
60°
27
80°
61°
28
72°
52°
29
71°
54°
30
69°
51°
1
62°
48°
2
62°
44°
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 62° to 82°, with overnight lows between 44° and 61°. The average high for April is 73° with an average low of 54°. 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.
