S
M
T
W
T
F
S
26
63°
41°
27
60°
47°
28
57°
47°
29
62°
41°
30
65°
45°
1
65°
45°
2
65°
55°
3
69°
54°
4
75°
51°
5
67°
53°
6
60°
52°
7
63°
52°
8
63°
53°
9
65°
51°
10
65°
52°
11
65°
50°
12
70°
46°
13
64°
50°
14
60°
47°
15
54°
43°
16
59°
45°
17
61°
46°
18
60°
50°
19
64°
50°
20
65°
51°
21
68°
50°
22
66°
53°
23
63°
51°
24
62°
50°
25
63°
51°
26
64°
52°
27
62°
54°
28
60°
53°
29
60°
52°
30
61°
51°
31
65°
54°
1
66°
55°
2
61°
54°
3
61°
51°
4
62°
52°
5
61°
53°
6
61°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Delta
Delta's May 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 43° and 55°. The average high for May is 62° with an average low of 51°. 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 Delta. See also: June | July | August.
