S
M
T
W
T
F
S
29
63°
32°
30
45°
34°
31
55°
34°
1
56°
33°
2
48°
28°
3
61°
34°
4
71°
40°
5
72°
43°
6
72°
44°
7
64°
37°
8
58°
33°
9
53°
31°
10
54°
32°
11
57°
35°
12
65°
37°
13
66°
37°
14
65°
40°
15
58°
31°
16
61°
37°
17
62°
37°
18
63°
36°
19
55°
36°
20
52°
31°
21
51°
28°
22
51°
31°
23
52°
31°
24
52°
28°
25
53°
36°
26
55°
36°
27
54°
29°
28
57°
34°
29
63°
38°
30
64°
39°
1
66°
38°
2
67°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Fossil
Fossil's April 2026 forecast shows daily high temperatures ranging from 48° to 72°, with overnight lows between 28° and 44°. The average high for April is 59° with an average low of 35°. 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 Fossil. See also: May | June | July.