27.04
mon
mon
Day
43°F
S 15 mph
Precip.
0%
0%
Night
37°F
S 20 mph
Precip.
0%
0%
28.04
tue
tue
Day
39°F
S 21 mph
Precip.
0%
0%
Night
37°F
SE 14 mph
Precip.
0%
0%
29.04
wed
wed
Day
41°F
SE 8 mph
Precip.
0%
0%
Night
41°F
E 11 mph
Precip.
0%
0%
30.04
thu
thu
Day
41°F
SE 5 mph
Precip.
69%
69%
Night
43°F
NE 6 mph
Precip.
0%
0%
01.05
fri
fri
Day
48°F
NE 12 mph
Precip.
0%
0%
Night
43°F
NE 11 mph
Precip.
0%
0%
02.05
sat
sat
Day
45°F
NE 21 mph
Precip.
0%
0%
Night
45°F
NE 17 mph
Precip.
0%
0%
03.05
sun
sun
Day
48°F
NE 16 mph
Precip.
0%
0%
Night
41°F
NE 12 mph
Precip.
100%
100%
04.05
mon
mon
Day
43°F
NE 13 mph
Precip.
87%
87%
Night
45°F
SW 9 mph
Precip.
0%
0%
05.05
tue
tue
Day
43°F
W 11 mph
Precip.
0%
0%
Night
41°F
W 7 mph
Precip.
0%
0%
06.05
wed
wed
Day
41°F
W 12 mph
Precip.
0%
0%
Night
41°F
W 9 mph
Precip.
0%
0%
07.05
thu
thu
Day
43°F
W 9 mph
Precip.
0%
0%
Night
45°F
NE 2 mph
Precip.
0%
0%
08.05
fri
fri
Day
43°F
NE 12 mph
Precip.
0%
0%
Night
43°F
SW 9 mph
Precip.
0%
0%
09.05
sat
sat
Day
50°F
SW 7 mph
Precip.
0%
0%
Night
46°F
E 1 mph
Precip.
0%
0%
10.05
sun
sun
Day
45°F
N 5 mph
Precip.
65%
65%
Night
43°F
NE 7 mph
Precip.
100%
100%
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: 18:33
April 27, monday
2100
39°F
S
19 mph
19 mph
April 28, tuesday
0000
37°F
S
20 mph
20 mph
0300
36°F
SE
21 mph
21 mph
0600
34°F
SE
22 mph
22 mph
0900
36°F
SE
22 mph
22 mph
1200
39°F
S
21 mph
21 mph
1500
43°F
S
19 mph
19 mph
1800
43°F
S
13 mph
13 mph
