Measurements:
°C
°F
Lake Geneva
82°F
NE 10 mph
Feels like: 84°F
Precip: 2%
World Resorts USA Lake Geneva Weather

7 Day Weather Forecast

08.25
tue
DAY
78°F
N 7 mph
precip
2%
NIGHT
68°F
N 9 mph
precip
27%
08.26
wed
DAY
78°F
NE 16 mph
precip
13%
NIGHT
70°F
E 8 mph
precip
11%
08.27
thu
DAY
78°F
S 9 mph
precip
3%
NIGHT
70°F
NE 8 mph
precip
8%
08.28
fri
DAY
78°F
NW 1 mph
precip
13%
NIGHT
62°F
W 7 mph
precip
28%
08.29
sat
DAY
76°F
N 14 mph
precip
10%
NIGHT
74°F
N 17 mph
precip
29%
08.30
sun
DAY
82°F
NE 20 mph
precip
12%
NIGHT
74°F
W 8 mph
precip
36%
08.31
mon
DAY
82°F
N 12 mph
precip
26%
NIGHT
78°F
NE 8 mph
precip
20%

Lake Geneva Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 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 46.9 °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