S
M
T
W
T
F
S
28
66°
41°
29
64°
34°
30
73°
36°
1
71°
41°
2
73°
42°
3
76°
44°
4
81°
46°
5
79°
48°
6
80°
51°
7
82°
51°
8
81°
49°
9
80°
48°
10
81°
48°
11
81°
49°
12
80°
48°
13
81°
50°
14
78°
49°
15
74°
51°
16
74°
49°
17
79°
50°
18
80°
52°
19
80°
53°
20
79°
54°
21
76°
53°
22
76°
53°
23
75°
50°
24
74°
49°
25
74°
49°
26
75°
50°
27
76°
51°
28
80°
53°
29
80°
53°
30
81°
54°
31
82°
54°
1
81°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Old Mammoth
Old Mammoth's July 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 41° and 54°. The average high for July is 78° with an average low of 50°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Old Mammoth. See also: August | September | October.
