World Resorts Switzerland Winterthur Weather

Winterthur 7 Days Forecast

12.08
wed
Day
79°F
SW 7 mph
Precip.
1%
Night
63°F
W 4 mph
Precip.
4%
13.08
thu
Day
79°F
SW 4 mph
Precip.
1%
Night
63°F
W 2 mph
Precip.
4%
14.08
fri
Day
86°F
S 1 mph
Precip.
3%
Night
66°F
NW 2 mph
Precip.
2%
15.08
sat
Day
90°F
SE 1 mph
Precip.
1%
Night
75°F
NE 8 mph
Precip.
2%
16.08
sun
Day
81°F
E 8 mph
Precip.
4%
Night
63°F
W 2 mph
Precip.
15%
17.08
mon
Day
79°F
NW 1 mph
Precip.
5%
Night
66°F
N 2 mph
Precip.
49%
18.08
tue
Day
64°F
E 9 mph
Precip.
39%
Night
55°F
N 3 mph
Precip.
21%

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

Sunniest months:
August 15 days
July 13 days
April 12 days
Warmest months:
July 76.3 °F
August 76.0 °F
June 74.1 °F
Warmest sea temp:
August 69.9 °F
July 69.7 °F
September 65.4 °F
Coldest months:
January 37.9 °F
December 39.5 °F
February 42.0 °F
Rainiest months:
May 7 days
June 6 days
July 6 days
Windiest months:
March 5.1 mph
May 5.1 mph
April 5.0 mph

Winterthur on a weather map

Winterthur
+66°F
SW 3 mph
Feels like: +66°F
Precip.: 3%
Places in Switzerland:
Name
°F
+70°F
+66°F
+64°F
+66°F
+68°F
+72°F
+73°F
+64°F
+72°F
+77°F
+70°F
+66°F
+66°F
+68°F
+73°F
24 Hours Forecast
Winterthur
Local time: 08:00
August 12, wednesday
0900
66°F
SW
3 mph
1200
79°F
SW
7 mph
1500
88°F
SW
8 mph
1800
88°F
SW
7 mph
2100
70°F
SW
5 mph
August 13, thursday
0000
63°F
W
4 mph
0300
57°F
SW
2 mph
0600
54°F
SW
2 mph
Units of measurement: °C / °F