S
M
T
W
T
F
S
26
42°
34°
27
46°
29°
28
50°
35°
29
46°
31°
30
52°
36°
1
55°
46°
2
49°
40°
3
56°
40°
4
49°
36°
5
71°
43°
6
70°
58°
7
63°
48°
8
48°
40°
9
57°
38°
10
62°
48°
11
60°
48°
12
50°
38°
13
50°
38°
14
65°
47°
15
55°
41°
16
62°
41°
17
61°
48°
18
48°
37°
19
60°
37°
20
75°
50°
21
53°
39°
22
47°
40°
23
48°
37°
24
60°
48°
25
61°
49°
26
54°
44°
27
52°
41°
28
51°
39°
29
52°
43°
30
51°
42°
31
53°
44°
1
53°
46°
2
56°
46°
3
57°
49°
4
63°
51°
5
61°
42°
6
62°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Plateau
Plateau's May 2026 forecast shows daily high temperatures ranging from 48° to 63°, with overnight lows between 37° and 51°. The average high for May is 56° with an average low of 44°. 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 Plateau. See also: June | July | August.
