S
M
T
W
T
F
S
29
76°
41°
30
57°
46°
31
64°
48°
1
58°
39°
2
57°
36°
3
73°
40°
4
85°
47°
5
82°
49°
6
75°
45°
7
69°
48°
8
68°
40°
9
71°
37°
10
70°
38°
11
71°
37°
12
72°
40°
13
72°
43°
14
70°
42°
15
72°
42°
16
66°
38°
17
69°
41°
18
62°
41°
19
61°
35°
20
60°
34°
21
60°
34°
22
61°
35°
23
61°
34°
24
62°
35°
25
64°
40°
26
64°
38°
27
65°
35°
28
70°
38°
29
71°
40°
30
73°
43°
1
73°
43°
2
74°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Williams
Williams's April 2026 forecast shows daily high temperatures ranging from 60° to 85°, with overnight lows between 34° and 49°. The average high for April is 69° with an average low of 40°. 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 Williams. See also: May | June | July.