S
M
T
W
T
F
S
26
45°
27°
27
48°
28°
28
52°
27°
29
63°
27°
30
64°
30°
1
64°
36°
2
59°
38°
3
53°
36°
4
42°
32°
5
56°
36°
6
64°
40°
7
66°
41°
8
59°
39°
9
58°
38°
10
62°
38°
11
61°
38°
12
64°
41°
13
66°
40°
14
59°
29°
15
52°
27°
16
53°
28°
17
53°
28°
18
54°
29°
19
52°
26°
20
54°
29°
21
59°
32°
22
63°
34°
23
64°
36°
24
62°
36°
25
65°
35°
26
64°
34°
27
65°
35°
28
63°
34°
29
61°
33°
30
59°
31°
31
57°
30°
1
58°
30°
2
62°
34°
3
65°
37°
4
63°
37°
5
63°
36°
6
59°
35°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Donner
Donner's May 2026 forecast shows daily high temperatures ranging from 42° to 66°, with overnight lows between 26° and 41°. The average high for May is 60° with an average low of 34°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Donner. See also: June | July | August.
