18.05
mon
mon
Day
59°F
NW 4 mph
Precip.
0%
0%
Night
48°F
NE 1 mph
Precip.
0%
0%
19.05
tue
tue
Day
63°F
S 4 mph
Precip.
0%
0%
Night
48°F
N 2 mph
Precip.
0%
0%
20.05
wed
wed
Day
66°F
N 6 mph
Precip.
0%
0%
Night
48°F
N 4 mph
Precip.
0%
0%
21.05
thu
thu
Day
52°F
NE 6 mph
Precip.
100%
100%
Night
52°F
E 5 mph
Precip.
0%
0%
22.05
fri
fri
Day
68°F
SE 7 mph
Precip.
0%
0%
Night
55°F
NE 5 mph
Precip.
0%
0%
23.05
sat
sat
Day
70°F
NE 9 mph
Precip.
0%
0%
Night
55°F
N 6 mph
Precip.
100%
100%
24.05
sun
sun
Day
63°F
S 13 mph
Precip.
0%
0%
Night
52°F
SE 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Vasteras |
monthly
weather
weather
| Vasteras |
current
weather
weather
| Vasteras |
14 days
forecast
forecast
| Vasteras |
Sea water temperature in May, °F
Show year:
2026
2025
2024
The average sea water temperature in May of 2026 was 49.0°F. The highest and lowest sea temperatures during the month were 50.7°F and 45.3°F.
Sea water temperature in June, °F
Show year:
2025
2024
2023
The average sea water temperature in June of 2025 was 58.6°F. The highest and lowest sea temperatures during the month were 62.6°F and 54.7°F.
Air temperature in Vasteras, °F
Precipitation total in Vasteras, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Vasteras
Vasteras on a weather map
Places in Sweden:
Name
°F
24 Hours Forecast
Vasteras
Local time: 03:32
May 18, monday
0600
45°F
NW
1 mph
1 mph
0900
54°F
NW
3 mph
3 mph
1200
59°F
NW
4 mph
4 mph
1500
61°F
W
4 mph
4 mph
1800
61°F
W
2 mph
2 mph
2100
52°F
NW
5 mph
5 mph
May 19, tuesday
0000
48°F
NE
1 mph
1 mph
0300
46°F
SW
3 mph
3 mph
