28.08
fri
fri
Day
59°F
E 8 mph
Precip.
71%
71%
Night
61°F
N 2 mph
Precip.
11%
11%
29.08
sat
sat
Day
68°F
NE 7 mph
Precip.
5%
5%
Night
63°F
N 3 mph
Precip.
6%
6%
30.08
sun
sun
Day
70°F
NE 2 mph
Precip.
3%
3%
Night
66°F
N 3 mph
Precip.
41%
41%
31.08
mon
mon
Day
70°F
NE 7 mph
Precip.
4%
4%
Night
63°F
SW 2 mph
Precip.
9%
9%
01.09
tue
tue
Day
66°F
S 4 mph
Precip.
4%
4%
Night
66°F
N 4 mph
Precip.
13%
13%
02.09
wed
wed
Day
59°F
NE 1 mph
Precip.
35%
35%
Night
61°F
NW 1 mph
Precip.
12%
12%
03.09
thu
thu
Day
63°F
SW 5 mph
Precip.
6%
6%
Night
61°F
W 1 mph
Precip.
8%
8%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 75.5°F. The highest and lowest sea temperatures during the month were 78.6°F and 70.5°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 66.9°F. The highest and lowest sea temperatures during the month were 69.4°F and 64.0°F.
Air temperature in Geneva, °F
Precipitation total in Geneva, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Geneva
Geneva on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Geneva
Local time: 10:07
August 28, friday
1200
59°F
E
8 mph
8 mph
1500
55°F
N
7 mph
7 mph
1800
59°F
NE
6 mph
6 mph
2100
63°F
N
2 mph
2 mph
August 29, saturday
0000
61°F
N
2 mph
2 mph
0300
57°F
N
3 mph
3 mph
0600
57°F
N
2 mph
2 mph
0900
55°F
NE
2 mph
2 mph
