27.04
mon
mon
Day
41°F
S 19 mph
Precip.
0%
0%
Night
37°F
S 21 mph
Precip.
0%
0%
28.04
tue
tue
Day
37°F
S 20 mph
Precip.
0%
0%
Night
37°F
SE 13 mph
Precip.
0%
0%
29.04
wed
wed
Day
41°F
SE 7 mph
Precip.
0%
0%
Night
39°F
SE 8 mph
Precip.
0%
0%
30.04
thu
thu
Day
43°F
E 9 mph
Precip.
0%
0%
Night
41°F
S 7 mph
Precip.
0%
0%
01.05
fri
fri
Day
46°F
W 4 mph
Precip.
0%
0%
Night
41°F
E 5 mph
Precip.
0%
0%
02.05
sat
sat
Day
43°F
NE 8 mph
Precip.
0%
0%
Night
41°F
N 6 mph
Precip.
0%
0%
03.05
sun
sun
Day
43°F
N 6 mph
Precip.
0%
0%
Night
41°F
NW 6 mph
Precip.
0%
0%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 36.0°F. The highest and lowest sea temperatures during the month were 42.3°F and 30.0°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 47.1°F. The highest and lowest sea temperatures during the month were 53.2°F and 42.6°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: 17:05
April 27, monday
1800
45°F
S
17 mph
17 mph
2100
41°F
SE
18 mph
18 mph
April 28, tuesday
0000
37°F
S
21 mph
21 mph
0300
36°F
SE
21 mph
21 mph
0600
34°F
SE
22 mph
22 mph
0900
36°F
S
22 mph
22 mph
1200
37°F
S
20 mph
20 mph
1500
41°F
S
17 mph
17 mph
