18.07
sat
sat
Day

75°F
E 4 mph
Precip.
45%
45%
Night

59°F
N 5 mph
Precip.
29%
29%
19.07
sun
sun
Day

70°F
E 3 mph
Precip.
5%
5%
Night

54°F
W 3 mph
Precip.
14%
14%
20.07
mon
mon
Day

72°F
SW 6 mph
Precip.
1%
1%
Night

54°F
SW 4 mph
Precip.
12%
12%
21.07
tue
tue
Day

68°F
SW 7 mph
Precip.
1%
1%
Night

50°F
W 3 mph
Precip.
9%
9%
22.07
wed
wed
Day

72°F
SW 4 mph
Precip.
1%
1%
Night

59°F
N 2 mph
Precip.
8%
8%
23.07
thu
thu
Day

61°F
E 7 mph
Precip.
70%
70%
Night

54°F
N 2 mph
Precip.
35%
35%
24.07
fri
fri
Day

64°F
SW 2 mph
Precip.
10%
10%
Night

52°F
W 3 mph
Precip.
11%
11%
25.07
sat
sat
Day

72°F
SW 3 mph
Precip.
2%
2%
Night

55°F
NW 4 mph
Precip.
7%
7%
26.07
sun
sun
Day

70°F
E 7 mph
Precip.
6%
6%
Night

55°F
W 2 mph
Precip.
65%
65%
27.07
mon
mon
Day

61°F
E 3 mph
Precip.
65%
65%
Night

54°F
N 2 mph
Precip.
60%
60%
28.07
tue
tue
Day

68°F
NE 6 mph
Precip.
39%
39%
Night

52°F
N 4 mph
Precip.
36%
36%
29.07
wed
wed
Day

73°F
E 4 mph
Precip.
2%
2%
Night

63°F
N 2 mph
Precip.
12%
12%
30.07
thu
thu
Day

77°F
E 5 mph
Precip.
1%
1%
Night

63°F
NW 3 mph
Precip.
11%
11%
31.07
fri
fri
Day

72°F
SE 3 mph
Precip.
1%
1%
Night

64°F
W 3 mph
Precip.
9%
9%
sea water
temperature
temperature
| Winterthur |
monthly
weather
weather
| Winterthur |
current
weather
weather
| Winterthur |
7 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 76.6°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: 06:03
July 18, saturday
0900

70°F
E
2 mph
2 mph
1200

75°F
E
4 mph
4 mph
1500

72°F
N
4 mph
4 mph
1800

82°F
SE
9 mph
9 mph
2100

63°F
NW
4 mph
4 mph
July 19, sunday
0000

59°F
N
5 mph
5 mph
0300

55°F
N
1 mph
1 mph
0600

54°F
N
3 mph
3 mph




























