S
M
T
W
T
F
S
26
60°
33°
27
62°
37°
28
63°
42°
29
68°
37°
30
73°
38°
1
76°
39°
2
80°
44°
3
80°
44°
4
80°
45°
5
75°
47°
6
80°
46°
7
75°
49°
8
71°
46°
9
72°
42°
10
74°
44°
11
74°
46°
12
85°
43°
13
67°
48°
14
62°
44°
15
57°
42°
16
51°
39°
17
59°
38°
18
66°
40°
19
64°
44°
20
70°
41°
21
71°
45°
22
76°
48°
23
81°
48°
24
76°
44°
25
68°
41°
26
60°
38°
27
70°
41°
28
72°
47°
29
67°
42°
30
71°
45°
31
77°
48°
1
70°
44°
2
75°
49°
3
75°
50°
4
76°
50°
5
75°
49°
6
75°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Mount Spokane
Mount Spokane's May 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 38° and 50°. The average high for May is 72° with an average low of 45°. 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 Mount Spokane. See also: June | July | August.
