27.04
mon
mon
Day
43°F
S 13 mph
Precip.
0%
0%
Night
36°F
S 14 mph
Precip.
0%
0%
28.04
tue
tue
Day
39°F
S 16 mph
Precip.
0%
0%
Night
36°F
S 11 mph
Precip.
0%
0%
29.04
wed
wed
Day
43°F
S 9 mph
Precip.
0%
0%
Night
39°F
E 6 mph
Precip.
0%
0%
30.04
thu
thu
Day
45°F
S 8 mph
Precip.
83%
83%
Night
39°F
S 1 mph
Precip.
0%
0%
01.05
fri
fri
Day
59°F
E 5 mph
Precip.
0%
0%
Night
46°F
NE 7 mph
Precip.
0%
0%
02.05
sat
sat
Day
63°F
NE 12 mph
Precip.
0%
0%
Night
46°F
NE 10 mph
Precip.
0%
0%
03.05
sun
sun
Day
50°F
E 7 mph
Precip.
100%
100%
Night
37°F
SE 3 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 36.2°F. The highest and lowest sea temperatures during the month were 41.2°F and 32.5°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 47.5°F. The highest and lowest sea temperatures during the month were 54.5°F and 41.2°F.
Air temperature in Lahti, °F
Precipitation total in Lahti, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Lahti
Lahti on a weather map
Places in Finland:
Name
°F
24 Hours Forecast
Lahti
Local time: 10:05
April 27, monday
1200
43°F
S
13 mph
13 mph
1500
45°F
S
14 mph
14 mph
1800
43°F
S
14 mph
14 mph
2100
37°F
S
14 mph
14 mph
April 28, tuesday
0000
36°F
S
14 mph
14 mph
0300
32°F
SE
14 mph
14 mph
0600
30°F
SE
14 mph
14 mph
0900
36°F
S
14 mph
14 mph
