S
M
T
W
T
F
S
26
45°
21°
27
50°
23°
28
51°
25°
29
57°
32°
30
62°
28°
1
65°
29°
2
69°
33°
3
72°
36°
4
74°
39°
5
67°
33°
6
66°
37°
7
67°
37°
8
66°
37°
9
65°
37°
10
68°
40°
11
67°
39°
12
71°
38°
13
69°
36°
14
70°
37°
15
69°
39°
16
62°
35°
17
64°
37°
18
57°
31°
19
54°
30°
20
56°
30°
21
65°
36°
22
68°
42°
23
62°
36°
24
67°
40°
25
69°
42°
26
68°
41°
27
66°
40°
28
62°
39°
29
63°
37°
30
68°
41°
31
70°
43°
1
71°
44°
2
72°
43°
3
72°
45°
4
71°
44°
5
71°
44°
6
72°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Donnelly
Donnelly's May 2026 forecast shows daily high temperatures ranging from 54° to 74°, with overnight lows between 30° and 45°. The average high for May is 67° with an average low of 39°. 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 Donnelly. See also: June | July | August.
