S
M
T
W
T
F
S
28
73°
41°
29
74°
45°
30
74°
46°
1
77°
48°
2
78°
47°
3
77°
47°
4
76°
48°
5
78°
50°
6
79°
52°
7
78°
51°
8
79°
50°
9
79°
48°
10
78°
50°
11
79°
52°
12
79°
51°
13
80°
52°
14
79°
53°
15
77°
51°
16
77°
51°
17
78°
50°
18
78°
53°
19
80°
54°
20
81°
54°
21
80°
53°
22
81°
54°
23
81°
53°
24
80°
53°
25
81°
52°
26
80°
53°
27
80°
53°
28
78°
52°
29
74°
46°
30
73°
46°
31
73°
51°
1
78°
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 73° to 81°, 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.
