S
M
T
W
T
F
S
26
57°
43°
27
68°
49°
28
64°
50°
29
62°
49°
30
61°
48°
1
64°
48°
2
61°
51°
3
60°
46°
4
72°
52°
5
77°
55°
6
67°
51°
7
66°
49°
8
62°
53°
9
60°
51°
10
70°
52°
11
62°
48°
12
65°
49°
13
62°
52°
14
65°
53°
15
68°
58°
16
70°
58°
17
69°
55°
18
68°
57°
19
70°
56°
20
67°
52°
21
68°
53°
22
67°
53°
23
68°
54°
24
69°
55°
25
73°
60°
26
77°
61°
27
72°
59°
28
74°
58°
29
71°
55°
30
75°
62°
31
79°
64°
1
78°
64°
2
77°
62°
3
77°
62°
4
80°
65°
5
80°
65°
6
81°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Whitestone
Whitestone's May 2026 forecast shows daily high temperatures ranging from 60° to 81°, with overnight lows between 48° and 66°. The average high for May is 71° with an average low of 57°. 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 Whitestone. See also: June | July | August.