27.10
tue
tue
Day
52°F
NE 16 mph
Precip.
27%
27%
Night
52°F
NE 15 mph
Precip.
25%
25%
28.10
wed
wed
Day
50°F
NE 12 mph
Precip.
25%
25%
Night
50°F
NE 10 mph
Precip.
37%
37%
29.10
thu
thu
Day
52°F
NE 9 mph
Precip.
10%
10%
Night
46°F
E 8 mph
Precip.
16%
16%
30.10
fri
fri
Day
48°F
E 11 mph
Precip.
7%
7%
Night
43°F
SE 8 mph
Precip.
13%
13%
31.10
sat
sat
Day
46°F
E 4 mph
Precip.
15%
15%
Night
41°F
E 4 mph
Precip.
25%
25%
01.11
sun
sun
Day
46°F
NE 7 mph
Precip.
71%
71%
Night
45°F
E 6 mph
Precip.
42%
42%
02.11
mon
mon
Day
43°F
SE 12 mph
Precip.
27%
27%
Night
41°F
S 9 mph
Precip.
25%
25%
sea water
temperature
temperature
| Helsinki |
monthly
weather
weather
| Helsinki |
current
weather
weather
| Helsinki |
14 days
forecast
forecast
| Helsinki |
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 52.9°F. The highest and lowest sea temperatures during the month were 55.9°F and 49.5°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 45.3°F. The highest and lowest sea temperatures during the month were 47.5°F and 41.9°F.
Air temperature in Helsinki, °F
Precipitation total in Helsinki, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Helsinki
Helsinki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Helsinki
Local time: 06:06
October 27, tuesday
0900
50°F
NE
15 mph
15 mph
1200
52°F
NE
16 mph
16 mph
1500
52°F
NE
15 mph
15 mph
1800
52°F
NE
16 mph
16 mph
2100
52°F
NE
17 mph
17 mph
October 28, wednesday
0000
52°F
NE
15 mph
15 mph
0300
50°F
NE
14 mph
14 mph
0600
50°F
N
13 mph
13 mph
