S
M
T
W
T
F
S
26
63°
38°
27
67°
37°
28
64°
57°
29
62°
44°
30
54°
39°
1
51°
40°
2
48°
31°
3
64°
26°
4
76°
45°
5
75°
50°
6
55°
43°
7
56°
33°
8
66°
36°
9
71°
40°
10
69°
35°
11
59°
31°
12
60°
29°
13
59°
45°
14
66°
43°
15
71°
35°
16
81°
48°
17
86°
55°
18
88°
60°
19
87°
53°
20
62°
37°
21
65°
43°
22
64°
52°
23
67°
54°
24
69°
53°
25
73°
56°
26
76°
57°
27
75°
55°
28
78°
55°
29
75°
57°
30
78°
59°
31
76°
59°
1
73°
52°
2
77°
57°
3
73°
56°
4
69°
55°
5
71°
54°
6
74°
58°
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 62° to 87°, with overnight lows between 37° and 59°. The average high for May is 73° 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 Dexter. See also: June | July | August.