S
M
T
W
T
F
S
26
60°
35°
27
71°
30°
28
63°
51°
29
56°
47°
30
55°
37°
1
51°
30°
2
51°
35°
3
57°
34°
4
74°
42°
5
75°
49°
6
50°
44°
7
57°
32°
8
58°
32°
9
61°
43°
10
65°
34°
11
57°
29°
12
64°
25°
13
67°
45°
14
49°
44°
15
68°
40°
16
80°
33°
17
85°
49°
18
91°
52°
19
87°
56°
20
75°
50°
21
60°
43°
22
64°
34°
23
51°
47°
24
63°
55°
25
75°
52°
26
80°
53°
27
81°
55°
28
71°
45°
29
71°
48°
30
67°
45°
31
68°
47°
1
70°
54°
2
74°
53°
3
73°
54°
4
75°
54°
5
73°
55°
6
71°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Horseheads
Horseheads's May 2026 forecast shows daily high temperatures ranging from 51° to 81°, with overnight lows between 45° and 55°. The average high for May is 71° with an average low of 51°. 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 Horseheads. See also: June | July | August.
