05.10
mon
mon
Day
54°F
NE 13 mph
Precip.
73%
73%
Night
55°F
NE 26 mph
Precip.
45%
45%
06.10
tue
tue
Day
55°F
E 21 mph
Precip.
5%
5%
Night
54°F
E 22 mph
Precip.
16%
16%
07.10
wed
wed
Day
52°F
E 17 mph
Precip.
4%
4%
Night
48°F
E 12 mph
Precip.
9%
9%
08.10
thu
thu
Day
52°F
N 5 mph
Precip.
17%
17%
Night
54°F
NW 19 mph
Precip.
25%
25%
09.10
fri
fri
Day
54°F
NW 17 mph
Precip.
36%
36%
Night
52°F
NE 29 mph
Precip.
82%
82%
10.10
sat
sat
Day
39°F
S 17 mph
Precip.
42%
42%
Night
39°F
SE 17 mph
Precip.
30%
30%
11.10
sun
sun
Day
39°F
SE 13 mph
Precip.
20%
20%
Night
41°F
SE 13 mph
Precip.
23%
23%
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 51.4°F. The highest and lowest sea temperatures during the month were 55.4°F and 46.9°F.
Air temperature in Kotka, °F
Precipitation total in Kotka, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Kotka
Kotka on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Kotka
Local time: 08:38
October 05, monday
0900
54°F
NE
12 mph
12 mph
1200
54°F
NE
13 mph
13 mph
1500
54°F
E
11 mph
11 mph
1800
55°F
NE
15 mph
15 mph
2100
55°F
NE
22 mph
22 mph
October 06, tuesday
0000
55°F
NE
26 mph
26 mph
0300
57°F
NE
29 mph
29 mph
0600
57°F
E
27 mph
27 mph
