Measurements:
°C
°F
Lake Geneva
100°F
SE 6 mph
Feels like: 112°F
Precip: 1%
World Resorts USA Lake Geneva Weather

7 Day Weather Forecast

07.15
wed
DAY
100°F
SE 6 mph
precip
1%
NIGHT
80°F
W 6 mph
precip
8%
07.16
thu
DAY
88°F
NW 6 mph
precip
2%
NIGHT
70°F
W 6 mph
precip
2%
07.17
fri
DAY
88°F
NE 4 mph
precip
20%
NIGHT
74°F
NE 7 mph
precip
15%
07.18
sat
DAY
90°F
E 17 mph
precip
4%
NIGHT
68°F
SW 9 mph
precip
14%
07.19
sun
DAY
78°F
W 6 mph
precip
3%
NIGHT
68°F
N 5 mph
precip
13%
07.20
mon
DAY
86°F
NE 17 mph
precip
10%
NIGHT
72°F
SE 12 mph
precip
6%
07.21
tue
DAY
72°F
S 12 mph
precip
2%
NIGHT
56°F
SW 4 mph
precip
8%

Lake Geneva Sea Water Temperature in July, °F

Select Year: 2026 2025 2024

The average sea surface temperature in July 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 82.2 °F
August 81.7 °F
June 78.9 °F
Warmest sea temperature:
August 51.2 °F
October 45.6 °F
July 42.8 °F
The most cold months:
January 23.7 °F
February 28.8 °F
December 31.7 °F
The most rainy months:
May 3 days
April 3 days
June 2 days
The most windy months:
March 11 mph
April 11 mph
November 11 mph