S
M
T
W
T
F
S
26
59°
54°
27
57°
54°
28
64°
55°
29
61°
55°
30
63°
57°
1
66°
55°
2
61°
54°
3
61°
48°
4
57°
45°
5
58°
45°
6
59°
46°
7
64°
50°
8
61°
47°
9
61°
48°
10
59°
47°
11
60°
48°
12
60°
47°
13
61°
48°
14
63°
49°
15
61°
48°
16
62°
45°
17
63°
46°
18
62°
46°
19
62°
45°
20
63°
46°
21
63°
46°
22
64°
47°
23
64°
46°
24
65°
46°
25
65°
47°
26
66°
47°
27
65°
50°
28
65°
48°
29
66°
50°
30
70°
51°
31
71°
54°
1
69°
54°
2
71°
53°
3
68°
54°
4
66°
52°
5
66°
50°
6
67°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oviedo
Oviedo's May 2026 forecast shows daily high temperatures ranging from 57° to 71°, with overnight lows between 45° and 54°. The average high for May is 64° 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 Oviedo. See also: June | July | August.