27.10
tue
tue
Day
52°F
NE 24 mph
Precip.
17%
17%
Night
52°F
NE 23 mph
Precip.
23%
23%
28.10
wed
wed
Day
50°F
NE 21 mph
Precip.
16%
16%
Night
48°F
NE 17 mph
Precip.
38%
38%
29.10
thu
thu
Day
50°F
NE 16 mph
Precip.
21%
21%
Night
50°F
E 16 mph
Precip.
13%
13%
30.10
fri
fri
Day
48°F
E 18 mph
Precip.
8%
8%
Night
45°F
SE 15 mph
Precip.
12%
12%
31.10
sat
sat
Day
45°F
SE 5 mph
Precip.
21%
21%
Night
43°F
SE 7 mph
Precip.
24%
24%
01.11
sun
sun
Day
48°F
NE 9 mph
Precip.
55%
55%
Night
46°F
E 9 mph
Precip.
43%
43%
02.11
mon
mon
Day
45°F
SE 12 mph
Precip.
36%
36%
Night
41°F
S 11 mph
Precip.
30%
30%
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 50.9°F. The highest and lowest sea temperatures during the month were 54.9°F and 45.0°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 43.2°F. The highest and lowest sea temperatures during the month were 45.1°F and 40.6°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: 05:20
October 27, tuesday
0600
52°F
NE
25 mph
25 mph
0900
52°F
NE
24 mph
24 mph
1200
52°F
NE
24 mph
24 mph
1500
52°F
NE
22 mph
22 mph
1800
52°F
NE
22 mph
22 mph
2100
52°F
NE
23 mph
23 mph
October 28, wednesday
0000
52°F
NE
23 mph
23 mph
0300
52°F
NE
22 mph
22 mph
