S
M
T
W
T
F
S
26
58°
43°
27
71°
39°
28
58°
42°
29
59°
49°
30
65°
48°
1
63°
44°
2
57°
41°
3
58°
42°
4
70°
52°
5
80°
57°
6
68°
56°
7
61°
44°
8
60°
43°
9
63°
49°
10
68°
50°
11
66°
53°
12
66°
54°
13
67°
53°
14
69°
51°
15
67°
53°
16
68°
53°
17
68°
54°
18
69°
57°
19
77°
57°
20
75°
56°
21
73°
58°
22
78°
57°
23
77°
58°
24
78°
58°
25
72°
52°
26
70°
57°
27
70°
59°
28
76°
61°
29
77°
60°
30
76°
59°
31
76°
59°
1
73°
54°
2
71°
54°
3
70°
53°
4
72°
53°
5
72°
54°
6
73°
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 57° to 80°, with overnight lows between 41° and 61°. The average high for May is 70° with an average low of 53°. 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.
