S
M
T
W
T
F
S
29
62°
32°
30
73°
53°
31
66°
59°
1
58°
36°
2
72°
36°
3
72°
54°
4
73°
44°
5
45°
36°
6
51°
36°
7
41°
24°
8
62°
50°
9
71°
52°
10
60°
37°
11
59°
42°
12
78°
58°
13
72°
60°
14
72°
45°
15
54°
38°
16
58°
44°
17
67°
49°
18
67°
49°
19
66°
50°
20
72°
54°
21
73°
40°
22
56°
36°
23
57°
45°
24
64°
48°
25
69°
45°
26
59°
41°
27
57°
40°
28
60°
44°
29
65°
48°
30
68°
51°
1
71°
49°
2
65°
48°
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 54° to 78°, with overnight lows between 36° and 60°. The average high for April is 65° with an average low of 47°. 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.
