S
M
T
W
T
F
S
26
82°
66°
27
86°
63°
28
85°
68°
29
85°
65°
30
77°
66°
1
62°
53°
2
70°
43°
3
75°
46°
4
81°
51°
5
80°
62°
6
83°
58°
7
76°
50°
8
77°
51°
9
77°
57°
10
80°
58°
11
81°
60°
12
85°
61°
13
84°
60°
14
83°
59°
15
84°
63°
16
84°
63°
17
86°
62°
18
85°
64°
19
84°
64°
20
85°
63°
21
86°
65°
22
85°
65°
23
82°
64°
24
82°
65°
25
84°
65°
26
83°
64°
27
82°
64°
28
84°
65°
29
85°
66°
30
86°
65°
31
86°
66°
1
87°
66°
2
88°
67°
3
89°
68°
4
90°
68°
5
86°
65°
6
85°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hawthorn
Hawthorn's May 2026 forecast shows daily high temperatures ranging from 62° to 90°, with overnight lows between 43° and 68°. The average high for May is 82° with an average low of 61°. 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 Hawthorn. See also: June | July | August.
