S
M
T
W
T
F
S
26
75°
54°
27
76°
57°
28
77°
58°
29
79°
60°
30
91°
68°
1
84°
62°
2
83°
62°
3
83°
61°
4
84°
63°
5
84°
63°
6
85°
64°
7
85°
65°
8
84°
64°
9
84°
64°
10
77°
63°
11
77°
62°
12
80°
58°
13
77°
64°
14
82°
67°
15
83°
67°
16
86°
66°
17
87°
68°
18
89°
66°
19
78°
64°
20
79°
68°
21
87°
69°
22
85°
67°
23
81°
67°
24
88°
70°
25
89°
70°
26
89°
69°
27
88°
68°
28
82°
65°
29
90°
66°
30
87°
65°
31
88°
65°
1
86°
66°
2
89°
65°
3
90°
66°
4
93°
67°
5
94°
69°
6
93°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Harker Heights
Harker Heights's May 2026 forecast shows daily high temperatures ranging from 75° to 94°, with overnight lows between 54° and 70°. The average high for May is 84° with an average low of 65°. 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 Harker Heights. See also: June | July | August.
