S
M
T
W
T
F
S
26
57°
35°
27
56°
32°
28
58°
39°
29
58°
34°
30
59°
33°
1
59°
33°
2
58°
34°
3
58°
38°
4
60°
36°
5
58°
35°
6
59°
36°
7
60°
39°
8
65°
37°
9
61°
38°
10
60°
37°
11
61°
37°
12
62°
41°
13
70°
48°
14
68°
48°
15
69°
49°
16
75°
45°
17
65°
42°
18
65°
40°
19
67°
49°
20
75°
50°
21
75°
44°
22
66°
42°
23
66°
43°
24
67°
42°
25
70°
45°
26
77°
52°
27
78°
52°
28
79°
48°
29
72°
46°
30
73°
47°
31
70°
53°
1
78°
45°
2
72°
44°
3
70°
43°
4
69°
47°
5
72°
50°
6
77°
55°
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 56° to 79°, with overnight lows between 32° and 55°. The average high for May is 67° with an average low of 42°. 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.
