S
M
T
W
T
F
S
26
63°
53°
27
72°
59°
28
63°
43°
29
63°
37°
30
64°
35°
1
69°
34°
2
71°
37°
3
88°
43°
4
87°
48°
5
58°
41°
6
53°
35°
7
71°
48°
8
77°
51°
9
81°
54°
10
71°
45°
11
77°
49°
12
92°
59°
13
84°
55°
14
83°
57°
15
87°
60°
16
84°
59°
17
75°
53°
18
79°
57°
19
79°
51°
20
73°
56°
21
74°
51°
22
70°
49°
23
71°
54°
24
71°
52°
25
70°
51°
26
71°
52°
27
72°
57°
28
72°
59°
29
73°
60°
30
76°
61°
31
75°
58°
1
75°
55°
2
76°
62°
3
79°
63°
4
82°
64°
5
77°
64°
6
78°
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 53° to 92°, with overnight lows between 35° and 64°. The average high for May is 76° with an average low of 55°. 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.
