S
M
T
W
T
F
S
26
66°
41°
27
66°
41°
28
68°
48°
29
64°
45°
30
63°
43°
1
72°
46°
2
72°
53°
3
63°
50°
4
59°
49°
5
54°
41°
6
46°
37°
7
52°
39°
8
60°
47°
9
60°
47°
10
56°
42°
11
57°
43°
12
57°
44°
13
56°
43°
14
53°
42°
15
57°
41°
16
64°
49°
17
65°
50°
18
64°
46°
19
58°
42°
20
56°
44°
21
56°
43°
22
57°
42°
23
58°
42°
24
59°
44°
25
62°
45°
26
66°
50°
27
67°
52°
28
66°
51°
29
64°
47°
30
66°
50°
31
68°
53°
1
69°
52°
2
68°
51°
3
69°
52°
4
69°
53°
5
68°
53°
6
69°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Oos
Oos's May 2026 forecast shows daily high temperatures ranging from 46° to 72°, with overnight lows between 37° and 54°. The average high for May is 61° with an average low of 47°. 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 Oos. See also: June | July | August.