Measurements:
°C
°F
Winterthur
86°F
SE 8 mph
Feels like: 84°F
Precip: 1%
World Resorts Switzerland Winterthur Weather

7 Day Weather Forecast

08.19
wed
DAY
80°F
NE 9 mph
precip
1%
NIGHT
70°F
N 1 mph
precip
15%
08.20
thu
DAY
70°F
NE 3 mph
precip
13%
NIGHT
66°F
NE 2 mph
precip
53%
08.21
fri
DAY
74°F
S 2 mph
precip
17%
NIGHT
60°F
E 0 mph
precip
33%
08.22
sat
DAY
72°F
SW 6 mph
precip
2%
NIGHT
60°F
N 2 mph
precip
42%
08.23
sun
DAY
62°F
SW 7 mph
precip
16%
NIGHT
58°F
SW 4 mph
precip
38%
08.24
mon
DAY
62°F
W 4 mph
precip
68%
NIGHT
58°F
E 5 mph
precip
90%
08.25
tue
DAY
58°F
NE 9 mph
precip
50%
NIGHT
62°F
W 2 mph
precip
47%

Winterthur Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Winterthur was 25.5°F. The maximum and minimum values were 24.4°F and 26.2°F respectively.

Winterthur on the Weather Map

Best Time to Visit Winterthur
The most sunny months:
August 15 days
July 13 days
April 12 days
The most warm months:
July 79.2 °F
August 78.9 °F
June 76.8 °F
Warmest sea temperature:
August 72.1 °F
July 71.9 °F
September 67.1 °F
The most cold months:
January 36.5 °F
December 38.4 °F
February 41.1 °F
The most rainy months:
May 7 days
June 6 days
July 6 days
The most windy months:
March 5 mph
May 5 mph
April 5 mph