S
M
T
W
T
F
S
26
45°
27°
27
48°
28°
28
52°
27°
29
63°
27°
30
64°
30°
1
68°
27°
2
64°
32°
3
64°
36°
4
46°
36°
5
63°
36°
6
72°
34°
7
70°
34°
8
72°
28°
9
75°
34°
10
79°
32°
11
79°
32°
12
79°
36°
13
68°
37°
14
73°
32°
15
70°
28°
16
63°
32°
17
48°
27°
18
57°
27°
19
66°
23°
20
70°
30°
21
70°
34°
22
70°
37°
23
73°
34°
24
73°
34°
25
72°
34°
26
50°
32°
27
46°
32°
28
52°
32°
29
54°
34°
30
63°
32°
31
70°
32°
1
75°
32°
2
79°
34°
3
77°
32°
4
81°
32°
5
81°
30°
6
72°
37°
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 ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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.