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%
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: 21:11
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
