World Resorts USA Lake Geneva Weather

Lake Geneva 7 Days Forecast

15.01
thu
Day
21°F
SE 7 mph
Precip.
0%
Night
21°F
NE 16 mph
Precip.
100%
16.01
fri
Day
30°F
E 17 mph
Precip.
0%
Night
23°F
E 14 mph
Precip.
0%
17.01
sat
Day
16°F
E 17 mph
Precip.
0%
Night
14°F
E 13 mph
Precip.
0%
18.01
sun
Day
12°F
E 13 mph
Precip.
0%
Night
14°F
E 10 mph
Precip.
85%
19.01
mon
Day
9°F
SE 17 mph
Precip.
0%
Night
3°F
E 14 mph
Precip.
0%
20.01
tue
Day
3°F
SE 16 mph
Precip.
29%
Night
1°F
E 9 mph
Precip.
0%
21.01
wed
Day
12°F
N 12 mph
Precip.
100%
Night
12°F
SE 13 mph
Precip.
71%

Sea water temperature in January, °F

Show year:
2026
2025
2024

The average sea water temperature in January of 2026 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

Sunniest months:
September 15 days
October 13 days
August 13 days
Warmest months:
July 79.0 °F
August 78.5 °F
June 75.8 °F
Warmest sea temp:
August 51.0 °F
October 46.1 °F
July 43.5 °F
Coldest months:
January 26.9 °F
February 29.8 °F
December 33.6 °F
Rainiest months:
May 3 days
April 3 days
June 2 days
Windiest months:
March 11.2 mph
April 10.9 mph
November 10.9 mph

Lake Geneva on a weather map

Current weather
23:39
Lake Geneva
+21°F
NE 16 mph
Feels like: +9°F
Precip.: 100%
Places in USA:
Name
°F
Washington
+25°F
Hawaii
+66°F
Honolulu
+66°F
Las Vegas
+54°F
Los Angeles
+66°F
Miami
+55°F
Miami Beach
+57°F
Maui
+63°F
New York
+23°F
San Diego
+55°F
San Francisco
+57°F
Sarasota
+50°F
Tampa
+46°F
Houston
+46°F
Chicago
+23°F
all places
24 Hours Forecast
Lake Geneva
Local time: 23:39
January 16, friday
0000
21°F
NE
16 mph
0300
21°F
N
14 mph
0600
23°F
NE
13 mph
0900
27°F
E
13 mph
1200
30°F
E
17 mph
1500
34°F
E
17 mph
1800
32°F
E
13 mph
2100
28°F
E
16 mph
Units of measurement: °C / °F