21.07
tue
tue
Day
70°F
SW 7 mph
Precip.
2%
2%
Night
57°F
SW 2 mph
Precip.
7%
7%
22.07
wed
wed
Day
73°F
SW 3 mph
Precip.
1%
1%
Night
57°F
N 2 mph
Precip.
8%
8%
23.07
thu
thu
Day
72°F
S 4 mph
Precip.
1%
1%
Night
54°F
W 2 mph
Precip.
6%
6%
24.07
fri
fri
Day
72°F
SW 7 mph
Precip.
1%
1%
Night
55°F
W 2 mph
Precip.
3%
3%
25.07
sat
sat
Day
81°F
SE 2 mph
Precip.
1%
1%
Night
63°F
NE 7 mph
Precip.
22%
22%
26.07
sun
sun
Day
70°F
NE 7 mph
Precip.
7%
7%
Night
63°F
E 4 mph
Precip.
36%
36%
27.07
mon
mon
Day
73°F
E 8 mph
Precip.
7%
7%
Night
61°F
N 4 mph
Precip.
9%
9%
sea water
temperature
temperature
| Winterthur |
monthly
weather
weather
| Winterthur |
current
weather
weather
| Winterthur |
14 days
forecast
forecast
| Winterthur |
Sea water temperature in July, °F
Show year:
2026
2025
2024
The average sea water temperature in July of 2026 was 76.5°F. The highest and lowest sea temperatures during the month were 79.7°F and 74.8°F.
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 72.9°F. The highest and lowest sea temperatures during the month were 76.3°F and 70.0°F.
Air temperature in Winterthur, °F
Precipitation total in Winterthur, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Winterthur
Winterthur on a weather map
Places in Switzerland:
Name
°F
24 Hours Forecast
Winterthur
Local time: 22:33
July 22, wednesday
0000
57°F
SW
2 mph
2 mph
0300
50°F
W
1 mph
1 mph
0600
46°F
W
1 mph
1 mph
0900
63°F
SW
2 mph
2 mph
1200
73°F
SW
3 mph
3 mph
1500
79°F
S
2 mph
2 mph
1800
75°F
N
3 mph
3 mph
2100
63°F
NE
2 mph
2 mph
