S
M
T
W
T
F
S
26
56°
35°
27
62°
37°
28
61°
34°
29
63°
40°
30
51°
38°
1
66°
31°
2
74°
29°
3
80°
44°
4
84°
38°
5
48°
36°
6
45°
32°
7
75°
36°
8
74°
45°
9
80°
49°
10
67°
48°
11
85°
50°
12
81°
49°
13
83°
46°
14
90°
53°
15
90°
51°
16
87°
53°
17
72°
52°
18
48°
41°
19
62°
36°
20
62°
45°
21
64°
45°
22
68°
48°
23
76°
49°
24
89°
53°
25
91°
55°
26
83°
51°
27
75°
50°
28
72°
56°
29
83°
59°
30
93°
54°
31
89°
56°
1
86°
58°
2
81°
62°
3
76°
60°
4
86°
60°
5
87°
61°
6
88°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Wallace
Wallace's May 2026 forecast shows daily high temperatures ranging from 76° to 93°, with overnight lows between 54° and 62°. The average high for May is 86° with an average low of 59°. 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. See also: June | July | August.