S
M
T
W
T
F
S
26
73°
51°
27
68°
49°
28
62°
46°
29
57°
40°
30
57°
35°
1
52°
34°
2
61°
48°
3
67°
44°
4
71°
41°
5
56°
36°
6
50°
35°
7
53°
36°
8
64°
42°
9
68°
44°
10
64°
44°
11
63°
46°
12
67°
45°
13
66°
46°
14
70°
48°
15
64°
46°
16
65°
47°
17
64°
54°
18
66°
54°
19
72°
55°
20
74°
57°
21
74°
53°
22
65°
50°
23
66°
47°
24
65°
48°
25
65°
51°
26
66°
55°
27
69°
54°
28
68°
51°
29
68°
52°
30
74°
54°
31
69°
52°
1
69°
56°
2
75°
54°
3
69°
52°
4
71°
52°
5
71°
53°
6
72°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Genoa
Genoa's May 2026 forecast shows daily high temperatures ranging from 50° to 75°, with overnight lows between 34° and 57°. The average high for May is 66° with an average low of 48°. 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 Genoa. See also: June | July | August.
