S
M
T
W
T
F
S
26
85°
63°
27
90°
63°
28
87°
57°
29
70°
54°
30
66°
51°
1
73°
47°
2
75°
41°
3
84°
49°
4
81°
62°
5
81°
51°
6
64°
47°
7
76°
41°
8
82°
50°
9
88°
57°
10
71°
59°
11
80°
53°
12
82°
49°
13
88°
55°
14
85°
63°
15
88°
73°
16
87°
74°
17
88°
74°
18
89°
78°
19
80°
60°
20
77°
60°
21
79°
65°
22
82°
66°
23
76°
65°
24
86°
61°
25
88°
62°
26
87°
63°
27
77°
68°
28
81°
65°
29
82°
68°
30
84°
69°
31
86°
70°
1
88°
63°
2
85°
61°
3
83°
60°
4
82°
65°
5
80°
64°
6
84°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hartshorne
Hartshorne's May 2026 forecast shows daily high temperatures ranging from 77° to 88°, with overnight lows between 60° and 70°. The average high for May is 83° with an average low of 66°. 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 Hartshorne. See also: June | July | August.