S
M
T
W
T
F
S
26
59°
39°
27
61°
39°
28
62°
40°
29
67°
40°
30
70°
42°
1
74°
44°
2
78°
51°
3
79°
48°
4
78°
52°
5
74°
54°
6
77°
52°
7
72°
48°
8
69°
48°
9
70°
41°
10
73°
48°
11
73°
43°
12
83°
48°
13
68°
46°
14
61°
42°
15
54°
40°
16
49°
38°
17
57°
36°
18
62°
41°
19
67°
44°
20
72°
45°
21
70°
46°
22
75°
51°
23
80°
52°
24
77°
53°
25
78°
46°
26
62°
48°
27
74°
55°
28
82°
54°
29
71°
49°
30
68°
44°
31
67°
48°
1
76°
55°
2
80°
55°
3
80°
52°
4
79°
52°
5
79°
55°
6
77°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Spokane South
Spokane South's May 2026 forecast shows daily high temperatures ranging from 62° to 82°, with overnight lows between 44° and 56°. The average high for May is 75° with an average low of 52°. 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 Spokane South. See also: June | July | August.
