S
M
T
W
T
F
S
26
83°
65°
27
84°
72°
28
82°
67°
29
70°
61°
30
68°
57°
1
66°
54°
2
73°
47°
3
79°
46°
4
79°
59°
5
77°
64°
6
63°
53°
7
72°
55°
8
76°
61°
9
78°
67°
10
81°
56°
11
74°
50°
12
80°
57°
13
85°
63°
14
84°
65°
15
83°
64°
16
83°
65°
17
82°
63°
18
79°
64°
19
83°
60°
20
81°
64°
21
82°
65°
22
79°
65°
23
80°
64°
24
81°
65°
25
79°
65°
26
80°
64°
27
81°
65°
28
81°
66°
29
82°
66°
30
81°
65°
31
81°
63°
1
82°
64°
2
83°
65°
3
83°
67°
4
81°
68°
5
81°
68°
6
83°
69°
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 63° to 85°, with overnight lows between 50° and 69°. The average high for May is 80° with an average low of 63°. 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.