S
M
T
W
T
F
S
26
76°
42°
27
74°
55°
28
64°
49°
29
61°
39°
30
58°
34°
1
56°
34°
2
60°
34°
3
73°
47°
4
83°
40°
5
56°
46°
6
57°
35°
7
65°
29°
8
69°
44°
9
76°
50°
10
69°
37°
11
68°
41°
12
83°
47°
13
70°
44°
14
74°
38°
15
82°
57°
16
83°
62°
17
85°
66°
18
76°
63°
19
72°
51°
20
67°
47°
21
71°
47°
22
70°
54°
23
79°
55°
24
82°
59°
25
86°
54°
26
86°
55°
27
89°
51°
28
87°
53°
29
84°
62°
30
81°
57°
31
80°
55°
1
85°
56°
2
86°
56°
3
87°
60°
4
86°
61°
5
81°
62°
6
86°
63°
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 80° to 87°, with overnight lows between 53° and 63°. The average high for May is 84° with an average low of 59°. 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.
