S
M
T
W
T
F
S
26
54°
41°
27
54°
39°
28
60°
40°
29
55°
37°
30
56°
43°
1
57°
44°
2
57°
39°
3
59°
42°
4
63°
48°
5
65°
47°
6
65°
49°
7
69°
50°
8
69°
51°
9
68°
47°
10
60°
45°
11
60°
44°
12
61°
44°
13
61°
48°
14
62°
46°
15
63°
47°
16
65°
50°
17
71°
52°
18
67°
41°
19
66°
41°
20
63°
42°
21
64°
41°
22
63°
43°
23
64°
45°
24
63°
50°
25
66°
53°
26
72°
48°
27
67°
47°
28
67°
56°
29
68°
55°
30
79°
47°
31
69°
54°
1
70°
48°
2
72°
55°
3
75°
58°
4
78°
49°
5
77°
48°
6
68°
49°
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 54° to 79°, with overnight lows between 37° and 58°. The average high for May is 65° 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 Pullman. See also: June | July | August.
