17.05
sun
sun
Day
61°F
S 2 mph
Precip.
0%
0%
Night
43°F
N 2 mph
Precip.
0%
0%
18.05
mon
mon
Day
52°F
E 11 mph
Precip.
69%
69%
Night
41°F
N 2 mph
Precip.
0%
0%
19.05
tue
tue
Day
61°F
E 4 mph
Precip.
0%
0%
Night
50°F
NE 5 mph
Precip.
100%
100%
20.05
wed
wed
Day
61°F
NE 6 mph
Precip.
100%
100%
Night
50°F
N 3 mph
Precip.
0%
0%
21.05
thu
thu
Day
68°F
SW 6 mph
Precip.
0%
0%
Night
54°F
W 3 mph
Precip.
0%
0%
22.05
fri
fri
Day
72°F
SW 4 mph
Precip.
0%
0%
Night
54°F
W 2 mph
Precip.
0%
0%
23.05
sat
sat
Day
77°F
NE 3 mph
Precip.
0%
0%
Night
59°F
N 4 mph
Precip.
100%
100%
24.05
sun
sun
Day
70°F
E 13 mph
Precip.
0%
0%
Night
54°F
E 13 mph
Precip.
28%
28%
25.05
mon
mon
Day
52°F
E 16 mph
Precip.
24%
24%
Night
50°F
NE 5 mph
Precip.
64%
64%
26.05
tue
tue
Day
61°F
E 9 mph
Precip.
0%
0%
Night
50°F
N 2 mph
Precip.
0%
0%
27.05
wed
wed
Day
72°F
E 6 mph
Precip.
0%
0%
Night
55°F
NW 2 mph
Precip.
0%
0%
28.05
thu
thu
Day
75°F
S 2 mph
Precip.
0%
0%
Night
59°F
W 2 mph
Precip.
27%
27%
29.05
fri
fri
Day
77°F
E 4 mph
Precip.
0%
0%
Night
55°F
SW 2 mph
Precip.
100%
100%
30.05
sat
sat
Day
79°F
SW 3 mph
Precip.
0%
0%
Night
70°F
NW 3 mph
Precip.
0%
0%
sea water
temperature
temperature
| Winterthur |
monthly
weather
weather
| Winterthur |
current
weather
weather
| Winterthur |
7 days
forecast
forecast
| Winterthur |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 58.7°F. The highest and lowest sea temperatures during the month were 59.9°F and 57.6°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: 11:52
May 17, sunday
1200
61°F
S
2 mph
2 mph
1500
63°F
SE
2 mph
2 mph
1800
63°F
SE
2 mph
2 mph
2100
50°F
NW
2 mph
2 mph
May 18, monday
0000
43°F
N
2 mph
2 mph
0300
39°F
N
2 mph
2 mph
0600
41°F
N
1 mph
1 mph
0900
52°F
E
3 mph
3 mph
