S
M
T
W
T
F
S
26
93°
61°
27
93°
58°
28
91°
56°
29
93°
58°
30
95°
60°
31
99°
56°
1
100°
60°
2
93°
64°
3
98°
62°
4
97°
65°
5
97°
65°
6
101°
69°
7
101°
70°
8
103°
65°
9
100°
63°
10
97°
59°
11
92°
58°
12
92°
58°
13
92°
58°
14
90°
57°
15
90°
56°
16
89°
57°
17
87°
60°
18
89°
60°
19
87°
59°
20
86°
60°
21
88°
59°
22
90°
60°
23
90°
60°
24
89°
59°
25
91°
60°
26
91°
60°
27
90°
61°
28
91°
60°
29
90°
59°
30
88°
60°
31
87°
60°
1
84°
58°
2
86°
58°
3
89°
59°
4
88°
59°
5
86°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Yosemite National Park
Yosemite National Park's August 2026 forecast shows daily high temperatures ranging from 84° to 103°, with overnight lows between 56° and 70°. The average high for August is 91° with an average low of 60°. 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 National Park. See also: September | October | November.