S
M
T
W
T
F
S
26
85°
70°
27
90°
65°
28
92°
65°
29
90°
69°
30
88°
68°
1
91°
69°
2
89°
71°
3
82°
67°
4
81°
66°
5
87°
67°
6
87°
70°
7
86°
69°
8
87°
68°
9
86°
69°
10
88°
68°
11
84°
68°
12
88°
71°
13
88°
70°
14
87°
72°
15
85°
72°
16
84°
67°
17
83°
67°
18
84°
68°
19
85°
68°
20
85°
69°
21
88°
70°
22
88°
72°
23
89°
71°
24
90°
73°
25
89°
73°
26
90°
74°
27
91°
74°
28
91°
75°
29
90°
75°
30
85°
74°
31
85°
75°
1
86°
75°
2
87°
76°
3
85°
76°
4
84°
75°
5
86°
76°
6
85°
75°
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 81° to 92°, with overnight lows between 65° and 76°. The average high for May is 87° with an average low of 71°. 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.