S
M
T
W
T
F
S
29
68°
34°
30
64°
28°
31
52°
37°
1
52°
34°
2
57°
32°
3
54°
19°
4
59°
14°
5
64°
21°
6
66°
30°
7
68°
25°
8
68°
23°
9
64°
28°
10
55°
36°
11
54°
32°
12
37°
27°
13
45°
18°
14
55°
23°
15
61°
23°
16
55°
28°
17
52°
19°
18
59°
19°
19
64°
30°
20
64°
27°
21
46°
24°
22
44°
13°
23
55°
24°
24
52°
27°
25
47°
30°
26
48°
28°
27
50°
31°
28
52°
33°
29
53°
32°
30
54°
31°
1
58°
31°
2
57°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Old Mammoth
Old Mammoth's April 2026 forecast shows daily high temperatures ranging from 44° to 58°, with overnight lows between 13° and 33°. The average high for April is 51° with an average low of 28°. 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 Old Mammoth. See also: May | June | July.
