World Resorts Switzerland Winterthur Weather

Winterthur 14 Days Forecast

17.09
thu
Day
63°F
E 2 mph
Precip.
2%
Night
55°F
N 3 mph
Precip.
20%
18.09
fri
Day
63°F
E 4 mph
Precip.
7%
Night
54°F
N 2 mph
Precip.
11%
19.09
sat
Day
63°F
SE 2 mph
Precip.
3%
Night
61°F
NW 1 mph
Precip.
15%
20.09
sun
Day
66°F
E 2 mph
Precip.
11%
Night
59°F
W 2 mph
Precip.
19%
21.09
mon
Day
59°F
SW 3 mph
Precip.
19%
Night
55°F
SW 4 mph
Precip.
10%
22.09
tue
Day
61°F
SW 11 mph
Precip.
3%
Night
54°F
SW 5 mph
Precip.
10%
23.09
wed
Day
57°F
SW 6 mph
Precip.
2%
Night
50°F
SW 2 mph
Precip.
11%
24.09
thu
Day
59°F
SW 5 mph
Precip.
2%
Night
55°F
SW 3 mph
Precip.
28%
25.09
fri
Day
57°F
SW 9 mph
Precip.
8%
Night
48°F
SW 4 mph
Precip.
24%
26.09
sat
Day
52°F
SW 12 mph
Precip.
7%
Night
45°F
SW 12 mph
Precip.
4%
27.09
sun
Day
50°F
SW 16 mph
Precip.
1%
Night
41°F
SW 12 mph
Precip.
6%
28.09
mon
Day
45°F
W 11 mph
Precip.
3%
Night
43°F
SW 11 mph
Precip.
5%
29.09
tue
Day
50°F
SW 12 mph
Precip.
2%
Night
45°F
SW 11 mph
Precip.
4%
30.09
wed
Day
50°F
SW 15 mph
Precip.
2%
Night
48°F
SW 16 mph
Precip.
4%

Sea water temperature in September, °F

Show year:
2026
2025
2024

The average sea water temperature in September of 2026 was 71.7°F. The highest and lowest sea temperatures during the month were 74.1°F and 69.6°F.

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 58.4°F. The highest and lowest sea temperatures during the month were 63.3°F and 53.2°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 76.1 °F
June 74.1 °F
Warmest sea temp:
August 70.3 °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

Current weather
15:54
Winterthur
+66°F
E 4 mph
Feels like: +66°F
Precip.: 10%
Places in Switzerland:
Name
°F
Berne
+66°F
Vevey
+57°F
Verbier
+50°F
Winterthur
+66°F
Gstaad
+55°F
Geneva
+66°F
Lake Geneva
+61°F
Interlaken
+52°F
Lausanne
+63°F
Lugano
+68°F
Montreux
+57°F
St Gallen
+57°F
Zermatt
+48°F
Zurich
+64°F
Spitz
+57°F
all places
24 Hours Forecast
Winterthur
Local time: 15:54
September 17, thursday
1800
64°F
SE
2 mph
2100
59°F
N
2 mph
September 18, friday
0000
55°F
N
3 mph
0300
55°F
N
3 mph
0600
54°F
N
2 mph
0900
52°F
NE
1 mph
1200
63°F
E
4 mph
1500
66°F
E
5 mph
Units of measurement: °C / °F