S
M
T
W
T
F
S
26
69°
48°
27
80°
44°
28
77°
53°
29
67°
49°
30
56°
39°
1
59°
34°
2
54°
33°
3
61°
30°
4
72°
47°
5
76°
59°
6
61°
50°
7
63°
40°
8
71°
36°
9
70°
52°
10
70°
52°
11
69°
46°
12
73°
42°
13
72°
49°
14
60°
41°
15
70°
35°
16
73°
47°
17
86°
62°
18
92°
68°
19
90°
68°
20
74°
48°
21
68°
60°
22
71°
62°
23
74°
61°
24
78°
58°
25
78°
57°
26
77°
56°
27
79°
58°
28
78°
56°
29
80°
56°
30
81°
55°
31
83°
53°
1
78°
58°
2
79°
58°
3
79°
57°
4
75°
55°
5
74°
53°
6
77°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Pullman
Pullman's May 2026 forecast shows daily high temperatures ranging from 68° to 92°, with overnight lows between 48° and 68°. The average high for May is 78° with an average low of 58°. 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 Pullman. See also: June | July | August.
