S
M
T
W
T
F
S
26
70°
42°
27
61°
42°
28
53°
37°
29
58°
40°
30
54°
38°
1
54°
33°
2
67°
29°
3
73°
48°
4
68°
37°
5
54°
30°
6
54°
28°
7
64°
30°
8
77°
38°
9
65°
39°
10
69°
34°
11
75°
30°
12
78°
52°
13
76°
41°
14
79°
47°
15
89°
48°
16
80°
56°
17
83°
54°
18
66°
45°
19
55°
39°
20
63°
46°
21
68°
50°
22
70°
54°
23
75°
54°
24
76°
53°
25
73°
52°
26
80°
57°
27
80°
56°
28
81°
57°
29
75°
51°
30
76°
57°
31
79°
59°
1
79°
58°
2
72°
58°
3
72°
56°
4
73°
57°
5
77°
60°
6
76°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dunnell
Dunnell's May 2026 forecast shows daily high temperatures ranging from 55° to 83°, with overnight lows between 39° and 60°. The average high for May is 74° with an average low of 54°. 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 Dunnell. See also: June | July | August.