27.08
thu
thu
Day

70°F
NW 5 mph
Precip.
2%
2%
Night

54°F
N 5 mph
Precip.
28%
28%
28.08
fri
fri
Day

70°F
NW 6 mph
Precip.
12%
12%
Night

59°F
NW 10 mph
Precip.
25%
25%
29.08
sat
sat
Day

68°F
NE 7 mph
Precip.
18%
18%
Night

57°F
NE 6 mph
Precip.
11%
11%
30.08
sun
sun
Day

63°F
N 9 mph
Precip.
27%
27%
Night

59°F
NW 6 mph
Precip.
44%
44%
31.08
mon
mon
Day

64°F
NE 14 mph
Precip.
18%
18%
Night

57°F
NE 9 mph
Precip.
5%
5%
01.09
tue
tue
Day

68°F
NE 9 mph
Precip.
8%
8%
Night

57°F
NE 6 mph
Precip.
65%
65%
02.09
wed
wed
Day

61°F
NE 13 mph
Precip.
7%
7%
Night

50°F
E 7 mph
Precip.
12%
12%
03.09
thu
thu
Day

59°F
E 7 mph
Precip.
2%
2%
Night

54°F
E 4 mph
Precip.
19%
19%
04.09
fri
fri
Day

61°F
NE 2 mph
Precip.
12%
12%
Night

48°F
E 6 mph
Precip.
14%
14%
05.09
sat
sat
Day

63°F
E 7 mph
Precip.
1%
1%
Night

54°F
W 5 mph
Precip.
16%
16%
06.09
sun
sun
Day

52°F
SW 14 mph
Precip.
79%
79%
Night

50°F
S 5 mph
Precip.
34%
34%
07.09
mon
mon
Day

54°F
E 5 mph
Precip.
41%
41%
Night

50°F
SE 3 mph
Precip.
31%
31%
08.09
tue
tue
Day

59°F
S 7 mph
Precip.
24%
24%
Night

54°F
S 6 mph
Precip.
52%
52%
09.09
wed
wed
Day

55°F
NW 11 mph
Precip.
31%
31%
Night

54°F
NW 9 mph
Precip.
38%
38%
sea water
temperature
temperature
| Vasteras |
monthly
weather
weather
| Vasteras |
current
weather
weather
| Vasteras |
7 days
forecast
forecast
| Vasteras |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 65.2°F. The highest and lowest sea temperatures during the month were 67.5°F and 63.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 61.6°F. The highest and lowest sea temperatures during the month were 64.2°F and 58.5°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: 06:56
August 27, thursday
0900

63°F
NW
3 mph
3 mph
1200

70°F
NW
5 mph
5 mph
1500

73°F
W
6 mph
6 mph
1800

70°F
W
4 mph
4 mph
2100

61°F
N
7 mph
7 mph
August 28, friday
0000

54°F
N
5 mph
5 mph
0300

54°F
N
4 mph
4 mph
0600

52°F
NW
4 mph
4 mph




























