S
M
T
W
T
F
S
26
52°
26°
27
63°
20°
28
62°
40°
29
68°
30°
30
68°
29°
1
65°
29°
2
72°
29°
3
73°
36°
4
71°
33°
5
75°
41°
6
71°
38°
7
70°
39°
8
62°
40°
9
67°
41°
10
61°
40°
11
62°
35°
12
64°
39°
13
61°
32°
14
66°
36°
15
66°
36°
16
63°
35°
17
66°
38°
18
63°
37°
19
66°
45°
20
57°
34°
21
58°
39°
22
58°
36°
23
60°
40°
24
65°
43°
25
58°
41°
26
57°
36°
27
58°
36°
28
58°
40°
29
57°
41°
30
59°
39°
31
64°
44°
1
60°
44°
2
59°
39°
3
60°
38°
4
59°
40°
5
58°
39°
6
60°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Salmon Valley
Salmon Valley's May 2026 forecast shows daily high temperatures ranging from 57° to 71°, with overnight lows between 32° and 45°. The average high for May is 62° with an average low of 39°. 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 Salmon Valley. See also: June | July | August.
