S
M
T
W
T
F
S
26
77°
45°
27
77°
44°
28
74°
44°
29
72°
41°
30
71°
39°
31
72°
45°
1
78°
45°
2
76°
44°
3
80°
44°
4
81°
45°
5
80°
46°
6
81°
45°
7
80°
44°
8
79°
43°
9
80°
42°
10
79°
43°
11
80°
42°
12
80°
43°
13
79°
43°
14
80°
44°
15
79°
43°
16
73°
41°
17
73°
42°
18
72°
38°
19
71°
40°
20
71°
43°
21
70°
38°
22
70°
38°
23
72°
40°
24
73°
40°
25
74°
43°
26
77°
42°
27
77°
42°
28
76°
41°
29
76°
41°
30
73°
38°
31
72°
36°
1
71°
36°
2
71°
38°
3
74°
37°
4
75°
41°
5
75°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Donner
Donner's August 2026 forecast shows daily high temperatures ranging from 70° to 81°, with overnight lows between 36° and 46°. The average high for August is 76° with an average low of 42°. 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 Donner. See also: September | October | November.
