S
M
T
W
T
F
S
29
61°
48°
30
61°
28°
31
48°
28°
1
45°
28°
2
41°
27°
3
30°
23°
4
43°
28°
5
50°
34°
6
46°
37°
7
59°
33°
8
45°
23°
9
48°
36°
10
54°
32°
11
59°
41°
12
54°
36°
13
46°
34°
14
50°
32°
15
52°
34°
16
44°
21°
17
32°
18°
18
46°
23°
19
55°
36°
20
66°
50°
21
68°
52°
22
56°
37°
23
45°
23°
24
23°
21°
25
36°
23°
26
32°
21°
27
32°
27°
28
41°
27°
29
41°
32°
30
43°
30°
1
52°
34°
2
61°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Thermopolis West
Thermopolis West's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. 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 Thermopolis West. See also: May | June | July.
