S
M
T
W
T
F
S
26
86°
72°
27
91°
74°
28
88°
75°
29
77°
60°
30
64°
62°
1
61°
51°
2
76°
48°
3
80°
52°
4
82°
59°
5
85°
71°
6
76°
60°
7
66°
57°
8
78°
57°
9
90°
70°
10
89°
63°
11
80°
63°
12
84°
60°
13
90°
61°
14
89°
63°
15
87°
68°
16
88°
70°
17
87°
75°
18
90°
78°
19
93°
66°
20
83°
65°
21
81°
65°
22
85°
64°
23
84°
63°
24
87°
67°
25
86°
65°
26
86°
65°
27
79°
64°
28
90°
64°
29
91°
70°
30
88°
71°
31
92°
73°
1
91°
73°
2
93°
70°
3
89°
70°
4
87°
71°
5
87°
73°
6
90°
72°
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 87° to 93°, with overnight lows between 70° and 73°. The average high for May is 90° with an average low of 72°. 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.
