S
M
T
W
T
F
S
29
51°
17°
30
69°
27°
31
62°
47°
1
60°
37°
2
42°
35°
3
61°
37°
4
57°
42°
5
53°
36°
6
44°
31°
7
41°
19°
8
45°
29°
9
59°
38°
10
61°
38°
11
65°
43°
12
63°
44°
13
59°
44°
14
61°
42°
15
62°
38°
16
61°
40°
17
59°
33°
18
52°
38°
19
55°
39°
20
57°
40°
21
62°
38°
22
62°
41°
23
57°
41°
24
64°
38°
25
64°
34°
26
55°
32°
27
55°
33°
28
56°
33°
29
57°
34°
30
55°
34°
1
57°
35°
2
59°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Thomson
Thomson's April 2026 forecast shows daily high temperatures ranging from 41° to 65°, with overnight lows between 19° and 44°. The average high for April is 57° with an average low of 37°. 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 Thomson. See also: May | June | July.