S
M
T
W
T
F
S
26
63°
38°
27
73°
38°
28
63°
52°
29
60°
46°
30
50°
44°
1
49°
33°
2
48°
31°
3
50°
42°
4
63°
54°
5
64°
50°
6
53°
36°
7
49°
29°
8
47°
32°
9
54°
38°
10
58°
40°
11
59°
39°
12
61°
40°
13
58°
41°
14
60°
40°
15
63°
40°
16
62°
41°
17
63°
43°
18
63°
47°
19
68°
47°
20
69°
48°
21
72°
49°
22
70°
48°
23
71°
48°
24
70°
44°
25
64°
41°
26
66°
49°
27
66°
49°
28
70°
50°
29
71°
50°
30
68°
48°
31
69°
43°
1
66°
43°
2
65°
44°
3
66°
43°
4
66°
43°
5
67°
44°
6
68°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Hornell
Hornell's May 2026 forecast shows daily high temperatures ranging from 47° to 72°, with overnight lows between 29° and 54°. The average high for May is 63° with an average low of 43°. 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 Hornell. See also: June | July | August.
