S
M
T
W
T
F
S
26
85°
56°
27
90°
56°
28
85°
66°
29
89°
63°
30
76°
62°
1
65°
53°
2
72°
42°
3
75°
43°
4
80°
48°
5
81°
60°
6
86°
70°
7
78°
50°
8
74°
49°
9
78°
56°
10
81°
63°
11
81°
60°
12
84°
60°
13
85°
61°
14
84°
60°
15
85°
61°
16
81°
63°
17
82°
62°
18
82°
64°
19
83°
65°
20
81°
65°
21
82°
64°
22
84°
59°
23
81°
59°
24
82°
60°
25
83°
62°
26
83°
61°
27
82°
60°
28
83°
61°
29
84°
66°
30
86°
66°
31
85°
67°
1
85°
68°
2
86°
67°
3
85°
68°
4
85°
68°
5
86°
69°
6
87°
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 72° to 87°, with overnight lows between 42° and 70°. The average high for May is 82° with an average low of 61°. 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.