S
M
T
W
T
F
S
28
66°
41°
29
64°
34°
30
64°
40°
1
70°
42°
2
74°
41°
3
76°
40°
4
81°
46°
5
79°
48°
6
80°
51°
7
82°
51°
8
83°
52°
9
80°
48°
10
81°
48°
11
81°
49°
12
82°
48°
13
77°
49°
14
78°
52°
15
74°
51°
16
74°
49°
17
75°
49°
18
75°
50°
19
77°
50°
20
78°
51°
21
74°
47°
22
74°
48°
23
75°
52°
24
79°
53°
25
77°
51°
26
76°
52°
27
77°
53°
28
78°
52°
29
78°
52°
30
77°
50°
31
78°
51°
1
80°
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 64° to 83°, with overnight lows between 40° and 53°. The average high for July is 77° with an average low of 49°. 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.
