Measurements:
°C
°F
CURRENT WEATHER
14:18
Lake Geneva
78°F
E 6 mph
Feels like: 80°F
Precip: 38%
World Resorts USA Lake Geneva Weather

7 Day Weather Forecast

08.05
wed
DAY
80°F
N 3 mph
precip
30%
NIGHT
68°F
W 2 mph
precip
33%
08.06
thu
DAY
74°F
SE 3 mph
precip
35%
NIGHT
70°F
NE 6 mph
precip
24%
08.07
fri
DAY
86°F
N 2 mph
precip
10%
NIGHT
74°F
E 6 mph
precip
19%
08.08
sat
DAY
88°F
NW 3 mph
precip
4%
NIGHT
70°F
NE 7 mph
precip
13%
08.09
sun
DAY
84°F
E 9 mph
precip
5%
NIGHT
76°F
NW 2 mph
precip
15%
08.10
mon
DAY
68°F
SW 7 mph
precip
43%
NIGHT
66°F
E 4 mph
precip
15%
08.11
tue
DAY
78°F
SE 4 mph
precip
3%
NIGHT
64°F
NW 3 mph
precip
14%

Lake Geneva Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Lake Geneva was 0.0°F. The maximum and minimum values were 0.0°F and 0.0°F respectively.

Lake Geneva on the Weather Map

Best Time to Visit Lake Geneva
The most sunny months:
September 15 days
June 13 days
August 13 days
The most warm months:
July 83.4 °F
August 81.7 °F
June 78.9 °F
Warmest sea temperature:
August 51.2 °F
October 45.6 °F
July 39.6 °F
The most cold months:
January 23.7 °F
February 28.8 °F
December 31.7 °F
The most rainy months:
April 3 days
May 3 days
June 2 days
The most windy months:
March 11 mph
April 11 mph
November 11 mph
more details