S
M
T
W
T
F
S
29
52°
26°
30
70°
38°
31
69°
53°
1
63°
39°
2
41°
36°
3
67°
35°
4
63°
40°
5
50°
38°
6
42°
26°
7
36°
26°
8
51°
19°
9
62°
29°
10
76°
39°
11
55°
31°
12
58°
25°
13
71°
48°
14
83°
57°
15
82°
52°
16
84°
57°
17
70°
48°
18
65°
42°
19
55°
30°
20
43°
24°
21
49°
37°
22
55°
40°
23
62°
39°
24
56°
37°
25
56°
41°
26
56°
40°
27
57°
42°
28
55°
41°
29
56°
40°
30
59°
40°
1
59°
42°
2
60°
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 43° to 62°, with overnight lows between 24° and 44°. The average high for April is 56° with an average low of 39°. 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.
