12.08
wed
wed
Day
81°F
NW 3 mph
Precip.
12%
12%
Night
70°F
N 5 mph
Precip.
21%
21%
13.08
thu
thu
Day
70°F
NW 6 mph
Precip.
24%
24%
Night
66°F
W 6 mph
Precip.
16%
16%
14.08
fri
fri
Day
77°F
NW 13 mph
Precip.
6%
6%
Night
68°F
W 7 mph
Precip.
54%
54%
15.08
sat
sat
Day
82°F
N 11 mph
Precip.
12%
12%
Night
73°F
SE 6 mph
Precip.
21%
21%
16.08
sun
sun
Day
79°F
S 12 mph
Precip.
8%
8%
Night
63°F
W 5 mph
Precip.
20%
20%
17.08
mon
mon
Day
75°F
W 3 mph
Precip.
4%
4%
Night
64°F
NE 7 mph
Precip.
14%
14%
18.08
tue
tue
Day
79°F
NE 14 mph
Precip.
5%
5%
Night
70°F
E 6 mph
Precip.
27%
27%
sea water
temperature
temperature
| Lake Geneva |
monthly
weather
weather
| Lake Geneva |
current
weather
weather
| Lake Geneva |
14 days
forecast
forecast
| Lake Geneva |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 32.0°F. The highest and lowest sea temperatures during the month were 32.0°F and 32.0°F.
Air temperature in Lake Geneva, °F
Precipitation total in Lake Geneva, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Lake Geneva
Lake Geneva on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Lake Geneva
Local time: 13:59
August 12, wednesday
1500
79°F
SE
4 mph
4 mph
1800
84°F
SW
4 mph
4 mph
2100
73°F
W
4 mph
4 mph
August 13, thursday
0000
70°F
N
5 mph
5 mph
0300
66°F
W
6 mph
6 mph
0600
66°F
NW
7 mph
7 mph
0900
70°F
NW
3 mph
3 mph
1200
70°F
NW
6 mph
6 mph
