S
M
T
W
T
F
S
26
58°
28°
27
63°
26°
28
62°
25°
29
55°
36°
30
58°
37°
1
54°
43°
2
60°
38°
3
48°
33°
4
56°
33°
5
76°
34°
6
73°
49°
7
56°
38°
8
59°
36°
9
60°
31°
10
68°
46°
11
58°
47°
12
48°
40°
13
56°
36°
14
67°
44°
15
47°
42°
16
66°
49°
17
67°
43°
18
56°
45°
19
68°
47°
20
68°
49°
21
62°
42°
22
60°
41°
23
58°
43°
24
62°
44°
25
62°
46°
26
64°
47°
27
66°
43°
28
62°
42°
29
62°
44°
30
63°
45°
31
62°
46°
1
62°
47°
2
67°
47°
3
64°
45°
4
63°
45°
5
63°
46°
6
64°
46°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wallace River West
Wallace River West's May 2026 forecast shows daily high temperatures ranging from 47° to 68°, with overnight lows between 41° and 49°. The average high for May is 63° 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 Wallace River West. See also: June | July | August.