S
M
T
W
T
F
S
29
73°
37°
30
79°
57°
31
79°
54°
1
82°
59°
2
84°
54°
3
84°
61°
4
81°
57°
5
68°
46°
6
68°
45°
7
75°
39°
8
77°
43°
9
77°
43°
10
79°
41°
11
84°
46°
12
86°
46°
13
82°
52°
14
84°
52°
15
84°
50°
16
86°
61°
17
86°
54°
18
81°
50°
19
68°
41°
20
77°
36°
21
81°
41°
22
82°
45°
23
82°
56°
24
82°
62°
25
78°
61°
26
83°
62°
27
89°
66°
28
82°
60°
29
81°
57°
30
80°
56°
1
72°
46°
2
69°
43°
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 69° to 89°, with overnight lows between 43° and 66°. The average high for April is 80° with an average low of 57°. 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.
