S
M
T
W
T
F
S
26
82°
58°
27
83°
72°
28
79°
67°
29
69°
60°
30
66°
52°
1
69°
49°
2
73°
44°
3
80°
41°
4
81°
62°
5
77°
57°
6
61°
50°
7
65°
47°
8
78°
54°
9
83°
60°
10
85°
59°
11
75°
51°
12
77°
57°
13
87°
63°
14
86°
61°
15
85°
60°
16
86°
64°
17
85°
57°
18
76°
64°
19
81°
65°
20
81°
64°
21
83°
59°
22
76°
57°
23
76°
58°
24
77°
59°
25
75°
58°
26
76°
58°
27
77°
59°
28
78°
59°
29
79°
63°
30
82°
66°
31
80°
67°
1
80°
67°
2
81°
63°
3
81°
68°
4
82°
68°
5
81°
69°
6
80°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Olmstead
Olmstead's May 2026 forecast shows daily high temperatures ranging from 61° to 87°, with overnight lows between 47° and 69°. The average high for May is 79° with an average low of 61°. 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 Olmstead. See also: June | July | August.
