S
M
T
W
T
F
S
26
92°
76°
27
86°
77°
28
88°
76°
29
85°
75°
30
89°
76°
1
87°
76°
2
90°
76°
3
90°
76°
4
91°
77°
5
92°
77°
6
92°
77°
7
88°
77°
8
87°
76°
9
87°
76°
10
89°
77°
11
88°
77°
12
88°
76°
13
84°
75°
14
89°
75°
15
89°
76°
16
89°
76°
17
88°
75°
18
88°
75°
19
87°
74°
20
85°
77°
21
87°
76°
22
86°
77°
23
88°
73°
24
87°
73°
25
86°
74°
26
85°
74°
27
85°
73°
28
86°
73°
29
85°
71°
30
85°
72°
31
86°
74°
1
85°
74°
2
85°
73°
3
86°
74°
4
86°
74°
5
87°
73°
6
86°
72°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Horizon
Horizon's May 2026 forecast shows daily high temperatures ranging from 84° to 89°, with overnight lows between 71° and 77°. The average high for May is 86° with an average low of 74°. 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 Horizon. See also: June | July | August.
