S
M
T
W
T
F
S
29
61°
33°
30
39°
28°
31
45°
28°
1
51°
34°
2
39°
28°
3
45°
23°
4
54°
22°
5
59°
29°
6
63°
36°
7
66°
38°
8
49°
27°
9
48°
26°
10
47°
29°
11
54°
32°
12
56°
35°
13
55°
33°
14
60°
39°
15
61°
37°
16
54°
28°
17
59°
34°
18
60°
34°
19
59°
33°
20
57°
29°
21
48°
26°
22
48°
25°
23
49°
25°
24
49°
26°
25
50°
26°
26
50°
30°
27
51°
28°
28
50°
26°
29
55°
30°
30
61°
31°
1
63°
36°
2
64°
36°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Mammoth
Mammoth's April 2026 forecast shows daily high temperatures ranging from 45° to 66°, with overnight lows between 22° and 39°. The average high for April is 55° with an average low of 30°. 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 Mammoth. See also: May | June | July.