S
M
T
W
T
F
S
26
78°
72°
27
78°
76°
28
82°
74°
29
80°
72°
30
78°
74°
1
80°
76°
2
80°
73°
3
81°
73°
4
79°
72°
5
76°
72°
6
76°
72°
7
79°
73°
8
79°
73°
9
80°
72°
10
77°
73°
11
78°
73°
12
78°
72°
13
78°
73°
14
80°
74°
15
80°
74°
16
81°
73°
17
79°
74°
18
80°
74°
19
80°
75°
20
80°
74°
21
82°
75°
22
82°
75°
23
81°
74°
24
80°
75°
25
81°
76°
26
80°
76°
27
80°
75°
28
82°
76°
29
81°
76°
30
82°
77°
31
82°
77°
1
83°
76°
2
83°
77°
3
84°
76°
4
82°
76°
5
82°
75°
6
83°
75°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in O
O's May 2026 forecast shows daily high temperatures ranging from 76° to 84°, with overnight lows between 72° and 77°. The average high for May is 80° with an average low of 74°. 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 O. See also: June | July | August.
