S
M
T
W
T
F
S
29
45°
32°
30
48°
32°
31
43°
30°
1
45°
27°
2
51°
31°
3
54°
38°
4
59°
40°
5
64°
42°
6
65°
42°
7
68°
42°
8
68°
45°
9
62°
42°
10
52°
40°
11
56°
38°
12
56°
39°
13
56°
39°
14
58°
40°
15
59°
33°
16
52°
32°
17
59°
34°
18
59°
34°
19
52°
35°
20
53°
33°
21
53°
33°
22
54°
35°
23
54°
34°
24
55°
34°
25
55°
33°
26
57°
34°
27
61°
35°
28
63°
36°
29
64°
36°
30
62°
37°
1
60°
37°
2
59°
38°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Thun
Thun's April 2026 forecast shows daily high temperatures ranging from 51° to 68°, with overnight lows between 31° and 45°. The average high for April is 58° 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 Thun. See also: May | June | July.
