S
M
T
W
T
F
S
26
63°
38°
27
73°
38°
28
63°
52°
29
60°
46°
30
50°
44°
1
50°
39°
2
49°
31°
3
62°
31°
4
72°
58°
5
68°
44°
6
48°
38°
7
51°
35°
8
55°
42°
9
55°
42°
10
57°
43°
11
58°
40°
12
59°
41°
13
60°
47°
14
61°
44°
15
57°
44°
16
62°
47°
17
64°
46°
18
71°
49°
19
66°
47°
20
72°
52°
21
70°
52°
22
66°
45°
23
62°
43°
24
63°
44°
25
63°
45°
26
64°
45°
27
64°
46°
28
65°
45°
29
65°
45°
30
66°
46°
31
68°
50°
1
67°
48°
2
68°
49°
3
69°
56°
4
70°
53°
5
69°
53°
6
75°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Geneseo
Geneseo's May 2026 forecast shows daily high temperatures ranging from 48° to 75°, with overnight lows between 35° and 58°. The average high for May is 64° with an average low of 47°. 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 Geneseo. See also: June | July | August.
