World Resorts Finland Lahti Weather

Lahti 14 Days Forecast

27.08
thu
Day
64°F
NW 1 mph
Precip.
14%
Night
57°F
NE 3 mph
Precip.
24%
28.08
fri
Day
63°F
N 5 mph
Precip.
18%
Night
55°F
NW 3 mph
Precip.
30%
29.08
sat
Day
63°F
NW 12 mph
Precip.
19%
Night
59°F
NW 7 mph
Precip.
39%
30.08
sun
Day
61°F
N 9 mph
Precip.
25%
Night
55°F
NE 6 mph
Precip.
43%
31.08
mon
Day
61°F
NE 7 mph
Precip.
37%
Night
57°F
NW 4 mph
Precip.
39%
01.09
tue
Day
61°F
N 12 mph
Precip.
37%
Night
55°F
NE 11 mph
Precip.
80%
02.09
wed
Day
57°F
E 10 mph
Precip.
48%
Night
54°F
E 6 mph
Precip.
43%
03.09
thu
Day
63°F
NE 5 mph
Precip.
42%
Night
52°F
E 7 mph
Precip.
50%
04.09
fri
Day
52°F
NE 3 mph
Precip.
31%
Night
52°F
NW 4 mph
Precip.
29%
05.09
sat
Day
50°F
W 11 mph
Precip.
34%
Night
48°F
SW 10 mph
Precip.
35%
06.09
sun
Day
48°F
SW 10 mph
Precip.
21%
Night
46°F
S 5 mph
Precip.
19%
07.09
mon
Day
46°F
E 9 mph
Precip.
24%
Night
41°F
SE 4 mph
Precip.
14%
08.09
tue
Day
46°F
S 6 mph
Precip.
8%
Night
43°F
E 4 mph
Precip.
21%
09.09
wed
Day
52°F
S 6 mph
Precip.
3%
Night
48°F
NW 3 mph
Precip.
21%

Sea water temperature in August, °F

Show year:
2026
2025
2024

The average sea water temperature in August of 2026 was 64.9°F. The highest and lowest sea temperatures during the month were 66.4°F and 62.6°F.

Sea water temperature in September, °F

Show year:
2025
2024
2023

The average sea water temperature in September of 2025 was 60.6°F. The highest and lowest sea temperatures during the month were 63.7°F and 56.5°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

Sunniest months:
May 11 days
June 11 days
July 11 days
Warmest months:
July 71.2 °F
August 68.2 °F
June 67.2 °F
Warmest sea temp:
August 67.7 °F
July 65.6 °F
September 61.5 °F
Coldest months:
January 22.9 °F
February 25.2 °F
December 28.8 °F
Rainiest months:
June 4 days
July 4 days
May 3 days
Windiest months:
December 7.6 mph
March 7.5 mph
October 7.3 mph

Lahti on a weather map

Current weather
17:40
Lahti
+68°F
E 4 mph
Feels like: +68°F
Precip.: 11%
Places in Finland:
Name
°F
Vaasa
+64°F
Vantaa
+64°F
Kemi
+57°F
Kotka
+64°F
Lappeenranta
+64°F
Lahti
+68°F
Oulu
+61°F
Pori
+64°F
Saariselka
+54°F
Savolinna
+63°F
Seinajoki
+68°F
Turku
+64°F
Helsinki
+64°F
Espoo
+64°F
Juvaskyla
+64°F
all places
24 Hours Forecast
Lahti
Local time: 17:40
August 27, thursday
1800
68°F
E
4 mph
2100
59°F
NE
2 mph
August 28, friday
0000
57°F
NE
3 mph
0300
55°F
NE
3 mph
0600
54°F
NE
2 mph
0900
59°F
NE
2 mph
1200
63°F
N
5 mph
1500
63°F
N
4 mph
Units of measurement: °C / °F