S
M
T
W
T
F
S
26
82°
70°
27
88°
72°
28
85°
72°
29
84°
61°
30
70°
57°
1
62°
49°
2
72°
44°
3
77°
58°
4
83°
66°
5
86°
71°
6
84°
59°
7
68°
58°
8
82°
62°
9
83°
67°
10
84°
63°
11
81°
57°
12
82°
55°
13
86°
61°
14
86°
63°
15
87°
63°
16
85°
60°
17
80°
65°
18
80°
65°
19
82°
64°
20
83°
66°
21
87°
64°
22
81°
59°
23
80°
60°
24
81°
64°
25
84°
61°
26
81°
60°
27
81°
60°
28
82°
62°
29
80°
65°
30
83°
65°
31
82°
66°
1
83°
66°
2
84°
68°
3
84°
69°
4
85°
69°
5
85°
68°
6
84°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Stonewall
Stonewall's May 2026 forecast shows daily high temperatures ranging from 68° to 87°, with overnight lows between 55° and 71°. The average high for May is 82° 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 Stonewall. See also: June | July | August.