26.08
wed
wed
Day
61°F
SE 9 mph
Precip.
4%
4%
Night
50°F
W 5 mph
Precip.
11%
11%
27.08
thu
thu
Day
57°F
NW 7 mph
Precip.
17%
17%
Night
52°F
NW 7 mph
Precip.
11%
11%
28.08
fri
fri
Day
59°F
N 6 mph
Precip.
18%
18%
Night
57°F
N 7 mph
Precip.
22%
22%
29.08
sat
sat
Day
64°F
N 11 mph
Precip.
20%
20%
Night
57°F
NW 10 mph
Precip.
71%
71%
30.08
sun
sun
Day
57°F
NW 15 mph
Precip.
67%
67%
Night
57°F
N 11 mph
Precip.
41%
41%
31.08
mon
mon
Day
59°F
NW 9 mph
Precip.
46%
46%
Night
57°F
NE 11 mph
Precip.
34%
34%
01.09
tue
tue
Day
63°F
NE 6 mph
Precip.
28%
28%
Night
55°F
S 2 mph
Precip.
78%
78%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 61.4°F. The highest and lowest sea temperatures during the month were 64.0°F and 59.2°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 56.6°F. The highest and lowest sea temperatures during the month were 61.2°F and 50.0°F.
Air temperature in Oulu, °F
Precipitation total in Oulu, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Oulu
Oulu on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Oulu
Local time: 03:21
August 26, wednesday
0600
52°F
S
6 mph
6 mph
0900
57°F
S
6 mph
6 mph
1200
61°F
SE
9 mph
9 mph
1500
63°F
SE
11 mph
11 mph
1800
61°F
S
8 mph
8 mph
2100
54°F
SW
6 mph
6 mph
August 27, thursday
0000
50°F
W
5 mph
5 mph
0300
50°F
W
5 mph
5 mph
