S
M
T
W
T
F
S
26
57°
28°
27
59°
36°
28
58°
38°
29
63°
32°
30
68°
36°
1
74°
48°
2
79°
46°
3
78°
44°
4
78°
50°
5
74°
50°
6
78°
50°
7
74°
48°
8
76°
49°
9
70°
46°
10
72°
48°
11
70°
47°
12
73°
47°
13
73°
48°
14
75°
51°
15
67°
44°
16
67°
46°
17
66°
48°
18
63°
47°
19
63°
48°
20
61°
49°
21
64°
47°
22
61°
43°
23
62°
43°
24
67°
47°
25
70°
46°
26
72°
50°
27
73°
52°
28
72°
51°
29
70°
49°
30
72°
52°
31
65°
51°
1
67°
50°
2
68°
50°
3
72°
52°
4
69°
51°
5
70°
49°
6
72°
52°
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 61° to 79°, with overnight lows between 43° and 52°. The average high for May is 70° with an average low of 48°. 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.
