S
M
T
W
T
F
S
26
75°
55°
27
79°
46°
28
83°
50°
29
79°
55°
30
76°
51°
1
76°
50°
2
77°
52°
3
81°
60°
4
79°
61°
5
72°
53°
6
75°
46°
7
81°
53°
8
86°
59°
9
91°
65°
10
92°
65°
11
94°
65°
12
92°
67°
13
93°
68°
14
89°
64°
15
88°
56°
16
86°
59°
17
83°
63°
18
81°
61°
19
85°
56°
20
86°
58°
21
84°
57°
22
86°
59°
23
86°
59°
24
88°
61°
25
86°
57°
26
84°
56°
27
86°
56°
28
86°
54°
29
86°
57°
30
87°
61°
31
88°
60°
1
90°
61°
2
90°
60°
3
91°
60°
4
90°
61°
5
92°
58°
6
86°
56°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Whetstone
Whetstone's May 2026 forecast shows daily high temperatures ranging from 84° to 92°, with overnight lows between 54° and 61°. The average high for May is 88° with an average low of 58°. 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 Whetstone. See also: June | July | August.