S
M
T
W
T
F
S
26
73°
54°
27
79°
59°
28
72°
52°
29
64°
42°
30
59°
40°
1
55°
38°
2
57°
39°
3
60°
46°
4
64°
47°
5
65°
48°
6
64°
48°
7
67°
50°
8
64°
50°
9
63°
47°
10
64°
48°
11
66°
50°
12
73°
52°
13
70°
47°
14
65°
46°
15
65°
47°
16
66°
47°
17
67°
48°
18
73°
58°
19
75°
57°
20
74°
52°
21
67°
55°
22
71°
52°
23
73°
55°
24
78°
60°
25
79°
57°
26
73°
52°
27
70°
53°
28
74°
54°
29
78°
56°
30
79°
60°
31
80°
61°
1
81°
62°
2
82°
63°
3
82°
63°
4
81°
62°
5
79°
58°
6
81°
63°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Whitestown
Whitestown's May 2026 forecast shows daily high temperatures ranging from 55° to 82°, with overnight lows between 38° and 63°. The average high for May is 71° with an average low of 52°. 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 Whitestown. See also: June | July | August.