27.08
thu
thu
Day
66°F
E 1 mph
Precip.
11%
11%
Night
59°F
S 2 mph
Precip.
21%
21%
28.08
fri
fri
Day
64°F
NW 4 mph
Precip.
17%
17%
Night
59°F
NW 6 mph
Precip.
23%
23%
29.08
sat
sat
Day
68°F
NW 13 mph
Precip.
13%
13%
Night
59°F
N 9 mph
Precip.
32%
32%
30.08
sun
sun
Day
64°F
NE 13 mph
Precip.
32%
32%
Night
59°F
N 6 mph
Precip.
20%
20%
31.08
mon
mon
Day
68°F
NE 11 mph
Precip.
17%
17%
Night
59°F
N 5 mph
Precip.
29%
29%
01.09
tue
tue
Day
63°F
N 8 mph
Precip.
30%
30%
Night
57°F
NE 5 mph
Precip.
42%
42%
02.09
wed
wed
Day
64°F
E 13 mph
Precip.
28%
28%
Night
55°F
N 6 mph
Precip.
32%
32%
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 66.9°F. The highest and lowest sea temperatures during the month were 69.6°F and 63.9°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 62.1°F. The highest and lowest sea temperatures during the month were 67.5°F and 55.9°F.
Air temperature in Parnu, °F
Precipitation total in Parnu, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Parnu
Parnu on a weather map
Places in Estonia:
Name
°F
24 Hours Forecast
Parnu
Local time: 22:15
August 28, friday
0000
59°F
S
2 mph
2 mph
0300
59°F
W
0 mph
0 mph
0600
57°F
SW
1 mph
1 mph
0900
61°F
NW
2 mph
2 mph
1200
64°F
NW
4 mph
4 mph
1500
70°F
N
5 mph
5 mph
1800
68°F
N
3 mph
3 mph
2100
63°F
NW
5 mph
5 mph
