S
M
T
W
T
F
S
26
64°
37°
27
72°
39°
28
63°
45°
29
53°
41°
30
51°
38°
1
48°
30°
2
51°
32°
3
65°
28°
4
77°
46°
5
65°
43°
6
55°
35°
7
55°
31°
8
64°
30°
9
68°
37°
10
59°
31°
11
55°
32°
12
61°
28°
13
56°
43°
14
64°
37°
15
72°
34°
16
82°
51°
17
85°
50°
18
90°
52°
19
84°
57°
20
63°
41°
21
60°
35°
22
66°
38°
23
57°
48°
24
60°
49°
25
80°
55°
26
84°
56°
27
78°
52°
28
67°
43°
29
83°
39°
30
68°
39°
31
76°
45°
1
77°
42°
2
77°
39°
3
78°
51°
4
83°
59°
5
80°
58°
6
73°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Deford
Deford's May 2026 forecast shows daily high temperatures ranging from 68° to 83°, with overnight lows between 39° and 59°. The average high for May is 77° with an average low of 48°. 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 Deford. See also: June | July | August.