S
M
T
W
T
F
S
26
86°
67°
27
86°
67°
28
88°
66°
29
89°
66°
30
90°
67°
31
90°
67°
1
91°
68°
2
90°
68°
3
90°
67°
4
89°
68°
5
89°
67°
6
88°
67°
7
87°
66°
8
87°
66°
9
88°
67°
10
89°
67°
11
89°
66°
12
85°
65°
13
83°
66°
14
86°
63°
15
86°
62°
16
85°
61°
17
84°
62°
18
84°
64°
19
82°
65°
20
83°
65°
21
85°
63°
22
85°
63°
23
86°
62°
24
86°
63°
25
87°
64°
26
87°
62°
27
84°
60°
28
84°
61°
29
83°
59°
30
82°
58°
31
82°
57°
1
83°
58°
2
85°
61°
3
85°
56°
4
83°
55°
5
78°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Mount Wilson
Mount Wilson's August 2026 forecast shows daily high temperatures ranging from 78° to 91°, with overnight lows between 55° and 68°. The average high for August is 86° with an average low of 64°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Mount Wilson. See also: September | October | November.
