S
M
T
W
T
F
S
26
58°
28°
27
63°
26°
28
62°
25°
29
55°
36°
30
58°
37°
1
54°
43°
2
60°
38°
3
48°
33°
4
56°
33°
5
76°
34°
6
73°
49°
7
54°
41°
8
59°
37°
9
63°
42°
10
58°
49°
11
62°
48°
12
51°
40°
13
56°
42°
14
54°
44°
15
58°
43°
16
57°
43°
17
59°
42°
18
57°
43°
19
61°
42°
20
56°
40°
21
57°
42°
22
58°
40°
23
58°
41°
24
60°
44°
25
58°
45°
26
59°
45°
27
64°
39°
28
57°
39°
29
58°
40°
30
59°
42°
31
66°
46°
1
68°
48°
2
67°
47°
3
66°
48°
4
68°
47°
5
66°
49°
6
68°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dean
Dean's May 2026 forecast shows daily high temperatures ranging from 51° to 68°, with overnight lows between 37° and 49°. The average high for May is 60° with an average low of 43°. 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 Dean. See also: June | July | August.
