S
M
T
W
T
F
S
26
66°
50°
27
77°
43°
28
73°
59°
29
64°
48°
30
59°
41°
1
55°
37°
2
54°
34°
3
63°
32°
4
77°
46°
5
66°
50°
6
59°
43°
7
61°
37°
8
70°
45°
9
75°
54°
10
70°
52°
11
72°
41°
12
75°
41°
13
70°
48°
14
64°
41°
15
68°
37°
16
75°
50°
17
84°
63°
18
86°
61°
19
88°
64°
20
70°
54°
21
68°
52°
22
N/A
23
73°
59°
24
77°
60°
25
75°
61°
26
76°
66°
27
77°
61°
28
79°
56°
29
77°
54°
30
73°
55°
31
73°
54°
1
79°
61°
2
78°
62°
3
77°
62°
4
79°
57°
5
76°
61°
6
78°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Dover
Dover's May 2026 forecast shows daily high temperatures ranging from 73° to 79°, with overnight lows between 54° and 66°. The average high for May is 76° with an average low of 59°. 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 Dover. See also: June | July | August.
