06.10
tue
tue
Day

55°F
E 25 mph
Precip.
6%
6%
Night

54°F
E 22 mph
Precip.
5%
5%
07.10
wed
wed
Day

54°F
E 19 mph
Precip.
5%
5%
Night

48°F
SE 7 mph
Precip.
9%
9%
08.10
thu
thu
Day

52°F
NW 12 mph
Precip.
25%
25%
Night

55°F
NW 25 mph
Precip.
29%
29%
09.10
fri
fri
Day

52°F
NE 22 mph
Precip.
22%
22%
Night

48°F
E 15 mph
Precip.
23%
23%
10.10
sat
sat
Day

46°F
E 22 mph
Precip.
21%
21%
Night

45°F
SE 6 mph
Precip.
17%
17%
11.10
sun
sun
Day

43°F
SW 7 mph
Precip.
9%
9%
Night

45°F
SW 12 mph
Precip.
16%
16%
12.10
mon
mon
Day

46°F
SW 17 mph
Precip.
23%
23%
Night

48°F
W 21 mph
Precip.
29%
29%
13.10
tue
tue
Day

50°F
W 21 mph
Precip.
16%
16%
Night

48°F
W 27 mph
Precip.
19%
19%
14.10
wed
wed
Day

46°F
W 33 mph
Precip.
26%
26%
Night

50°F
W 32 mph
Precip.
25%
25%
15.10
thu
thu
Day

48°F
NW 32 mph
Precip.
78%
78%
Night

50°F
N 24 mph
Precip.
36%
36%
16.10
fri
fri
Day

46°F
NW 28 mph
Precip.
31%
31%
Night

45°F
NW 15 mph
Precip.
57%
57%
17.10
sat
sat
Day

50°F
N 22 mph
Precip.
25%
25%
Night

50°F
N 25 mph
Precip.
38%
38%
18.10
sun
sun
Day

50°F
NW 33 mph
Precip.
29%
29%
Night

52°F
NW 33 mph
Precip.
61%
61%
19.10
mon
mon
Day

50°F
N 17 mph
Precip.
12%
12%
Night

50°F
N 19 mph
Precip.
27%
27%
Sea water temperature in October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 48.9°F. The highest and lowest sea temperatures during the month were 52.9°F and 44.2°F.
Air temperature in Porvoo, °F
Precipitation total in Porvoo, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Porvoo
Porvoo on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Porvoo
Local time: 21:12
October 07, wednesday
0000

54°F
E
22 mph
22 mph
0300

52°F
E
21 mph
21 mph
0600

50°F
E
22 mph
22 mph
0900

52°F
E
20 mph
20 mph
1200

54°F
E
19 mph
19 mph
1500

55°F
E
16 mph
16 mph
1800

54°F
E
13 mph
13 mph
2100

52°F
E
12 mph
12 mph



























