06.10
tue
tue
Day

52°F
E 17 mph
Precip.
20%
20%
Night

48°F
E 13 mph
Precip.
9%
9%
07.10
wed
wed
Day

50°F
E 11 mph
Precip.
13%
13%
Night

39°F
NE 5 mph
Precip.
30%
30%
08.10
thu
thu
Day

46°F
N 4 mph
Precip.
22%
22%
Night

41°F
SW 12 mph
Precip.
88%
88%
09.10
fri
fri
Day

41°F
S 12 mph
Precip.
83%
83%
Night

34°F
S 8 mph
Precip.
69%
69%
10.10
sat
sat
Day

37°F
S 6 mph
Precip.
38%
38%
Night

37°F
S 2 mph
Precip.
43%
43%
11.10
sun
sun
Day

37°F
SW 6 mph
Precip.
12%
12%
Night

34°F
SW 3 mph
Precip.
30%
30%
12.10
mon
mon
Day

36°F
SW 4 mph
Precip.
17%
17%
Night

28°F
W 4 mph
Precip.
24%
24%
13.10
tue
tue
Day

41°F
NW 7 mph
Precip.
8%
8%
Night

34°F
NW 6 mph
Precip.
21%
21%
14.10
wed
wed
Day

39°F
NW 10 mph
Precip.
23%
23%
Night

39°F
W 9 mph
Precip.
29%
29%
15.10
thu
thu
Day

43°F
NW 12 mph
Precip.
33%
33%
Night

46°F
NW 14 mph
Precip.
30%
30%
16.10
fri
fri
Day

45°F
NW 13 mph
Precip.
29%
29%
Night

39°F
NW 11 mph
Precip.
32%
32%
17.10
sat
sat
Day

45°F
N 9 mph
Precip.
38%
38%
Night

43°F
N 8 mph
Precip.
39%
39%
18.10
sun
sun
Day

48°F
NW 14 mph
Precip.
58%
58%
Night

50°F
NW 13 mph
Precip.
50%
50%
19.10
mon
mon
Day

46°F
N 8 mph
Precip.
28%
28%
Night

45°F
NW 9 mph
Precip.
31%
31%
sea water
temperature
temperature
| Seinajoki |
monthly
weather
weather
| Seinajoki |
current
weather
weather
| Seinajoki |
7 days
forecast
forecast
| Seinajoki |
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 46.0°F. The highest and lowest sea temperatures during the month were 52.2°F and 41.7°F.
Air temperature in Seinajoki, °F
Precipitation total in Seinajoki, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Seinajoki
Seinajoki on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Seinajoki
Local time: 21:43
October 07, wednesday
0000

48°F
E
13 mph
13 mph
0300

46°F
E
11 mph
11 mph
0600

46°F
E
11 mph
11 mph
0900

45°F
E
9 mph
9 mph
1200

50°F
E
11 mph
11 mph
1500

52°F
E
9 mph
9 mph
1800

46°F
E
8 mph
8 mph
2100

43°F
NE
6 mph
6 mph



























