S
M
T
W
T
F
S
26
69°
49°
27
61°
55°
28
55°
40°
29
54°
41°
30
51°
40°
1
52°
36°
2
63°
31°
3
71°
50°
4
67°
44°
5
51°
33°
6
49°
37°
7
61°
41°
8
66°
47°
9
68°
40°
10
54°
38°
11
61°
43°
12
70°
49°
13
71°
51°
14
65°
47°
15
68°
46°
16
64°
45°
17
62°
46°
18
68°
45°
19
70°
48°
20
66°
47°
21
64°
42°
22
61°
41°
23
62°
42°
24
63°
42°
25
62°
43°
26
63°
44°
27
63°
44°
28
64°
45°
29
67°
54°
30
65°
50°
31
66°
47°
1
70°
52°
2
73°
55°
3
75°
56°
4
76°
57°
5
77°
58°
6
75°
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 49° to 77°, with overnight lows between 33° and 58°. The average high for May is 65° with an average low of 46°. 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.