S
M
T
W
T
F
S
26
83°
67°
27
86°
68°
28
87°
68°
29
88°
67°
30
88°
69°
31
87°
68°
1
87°
69°
2
89°
70°
3
90°
70°
4
89°
69°
5
89°
69°
6
90°
68°
7
90°
69°
8
89°
67°
9
83°
63°
10
83°
65°
11
87°
68°
12
88°
68°
13
89°
69°
14
90°
69°
15
87°
68°
16
86°
66°
17
88°
61°
18
86°
60°
19
86°
60°
20
88°
64°
21
89°
66°
22
88°
65°
23
88°
65°
24
83°
64°
25
82°
62°
26
81°
63°
27
81°
59°
28
80°
61°
29
81°
59°
30
81°
61°
31
85°
62°
1
86°
63°
2
86°
63°
3
85°
62°
4
84°
56°
5
80°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Yosemite
Yosemite's August 2026 forecast shows daily high temperatures ranging from 80° to 90°, with overnight lows between 56° and 70°. The average high for August is 86° with an average low of 65°. 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 Yosemite. See also: September | October | November.
