S
M
T
W
T
F
S
26
82°
58°
27
83°
67°
28
72°
60°
29
71°
55°
30
66°
45°
1
67°
47°
2
67°
42°
3
73°
40°
4
80°
59°
5
65°
49°
6
62°
47°
7
67°
43°
8
75°
45°
9
81°
52°
10
74°
54°
11
77°
49°
12
80°
47°
13
81°
53°
14
76°
45°
15
87°
52°
16
88°
74°
17
89°
72°
18
84°
73°
19
82°
63°
20
70°
60°
21
73°
60°
22
79°
65°
23
81°
63°
24
81°
65°
25
82°
66°
26
83°
65°
27
80°
66°
28
81°
65°
29
80°
61°
30
83°
62°
31
86°
67°
1
86°
67°
2
87°
66°
3
82°
64°
4
79°
60°
5
81°
63°
6
86°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Dexter
Dexter's May 2026 forecast shows daily high temperatures ranging from 70° to 89°, with overnight lows between 60° and 73°. The average high for May is 82° with an average low of 65°. 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 Dexter. See also: June | July | August.