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°
54°
4
59°
50°
5
61°
50°
6
63°
50°
7
64°
48°
8
61°
50°
9
70°
48°
10
63°
52°
11
64°
52°
12
59°
55°
13
61°
52°
14
59°
50°
15
59°
50°
16
61°
50°
17
61°
52°
18
61°
50°
19
70°
54°
20
72°
54°
21
88°
54°
22
95°
61°
23
84°
61°
24
86°
64°
25
90°
63°
26
83°
63°
27
89°
63°
28
92°
65°
29
86°
60°
30
76°
58°
31
74°
59°
1
77°
59°
2
76°
58°
3
74°
58°
4
70°
55°
5
69°
56°
6
66°
47°
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 66° to 92°, with overnight lows between 47° and 65°. The average high for May is 79° with an average low of 59°. 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.