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7 Days
14 Days
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Monthly
Precipitation
Temperature
Wind
Temperature Unit Selection
°Celsius
°Fahrenheit
Monthly Historical Averages
Lake Geneva, WI
Content continues below
May
Average Temperature
High
20°
Feels 20
Low
9°
Feels 7
Average Precipitation
10 Days
Rain amount
52.7mm
Snow amount
0cm
Content continues below
Daily Historical Averages
May 2026
S
M
T
W
T
F
S
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
26°
18
25°
19
25°
20
15°
21
14°
22
17°
23
22°
24
24°
25
23°
26
24°
27
24°
28
24°
29
24°
30
24°
31
23°
Forecast
Sunday, May 17, 2026
Day
26°
Feels 26
Wind
31 km/h S
Gust
47 km/h
Humidity
57%
P.O.P
60%
Rain
~1 mm
Night
21°
Feels 21
Wind
32 km/h S
Gust
48 km/h
Humidity
78%
P.O.P
40%
Rain
~1 mm
Historical Averages
May 17
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.