S
M
T
W
T
F
S
26
85°
70°
27
88°
74°
28
85°
71°
29
73°
60°
30
64°
58°
1
63°
53°
2
76°
49°
3
82°
49°
4
81°
55°
5
87°
68°
6
68°
54°
7
71°
50°
8
80°
53°
9
85°
64°
10
80°
64°
11
79°
61°
12
82°
50°
13
87°
51°
14
88°
61°
15
89°
64°
16
88°
69°
17
89°
73°
18
89°
78°
19
86°
64°
20
79°
62°
21
76°
66°
22
85°
67°
23
83°
65°
24
86°
66°
25
86°
66°
26
88°
68°
27
76°
66°
28
81°
65°
29
85°
66°
30
89°
67°
31
85°
66°
1
80°
65°
2
80°
62°
3
83°
66°
4
82°
67°
5
85°
67°
6
86°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Omaha
Omaha's May 2026 forecast shows daily high temperatures ranging from 76° to 89°, with overnight lows between 62° and 68°. The average high for May is 84° with an average low of 66°. 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 Omaha. See also: June | July | August.
