10.08
mon
mon
Day
88°F
NE 2 mph
Precip.
1%
1%
Night
72°F
S 5 mph
Precip.
3%
3%
11.08
tue
tue
Day
93°F
SW 6 mph
Precip.
1%
1%
Night
73°F
SW 8 mph
Precip.
2%
2%
12.08
wed
wed
Day
88°F
SW 7 mph
Precip.
1%
1%
Night
72°F
SW 9 mph
Precip.
2%
2%
13.08
thu
thu
Day
88°F
SW 7 mph
Precip.
1%
1%
Night
70°F
SW 9 mph
Precip.
1%
1%
14.08
fri
fri
Day
84°F
SW 6 mph
Precip.
0%
0%
Night
70°F
SW 7 mph
Precip.
1%
1%
15.08
sat
sat
Day
90°F
NW 2 mph
Precip.
1%
1%
Night
72°F
S 4 mph
Precip.
2%
2%
16.08
sun
sun
Day
84°F
NE 4 mph
Precip.
1%
1%
Night
68°F
SW 2 mph
Precip.
4%
4%
17.08
mon
mon
Day
86°F
NE 4 mph
Precip.
1%
1%
Night
66°F
S 6 mph
Precip.
20%
20%
18.08
tue
tue
Day
75°F
SW 9 mph
Precip.
10%
10%
Night
63°F
SW 6 mph
Precip.
6%
6%
19.08
wed
wed
Day
81°F
SW 4 mph
Precip.
1%
1%
Night
64°F
SW 6 mph
Precip.
2%
2%
20.08
thu
thu
Day
82°F
NE 4 mph
Precip.
1%
1%
Night
66°F
NW 4 mph
Precip.
3%
3%
21.08
fri
fri
Day
82°F
NE 4 mph
Precip.
1%
1%
Night
66°F
SW 2 mph
Precip.
4%
4%
22.08
sat
sat
Day
82°F
NE 3 mph
Precip.
17%
17%
Night
64°F
SW 4 mph
Precip.
10%
10%
23.08
sun
sun
Day
81°F
NE 4 mph
Precip.
3%
3%
Night
66°F
SW 1 mph
Precip.
15%
15%
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 73.7°F. The highest and lowest sea temperatures during the month were 77.0°F and 71.8°F.
Air temperature in Opatija, °F
Precipitation total in Opatija, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Opatija
Opatija on a weather map
Places in Croatia:
Name
°F
24 Hours Forecast
Opatija
Local time: 14:31
August 10, monday
1500
88°F
NE
3 mph
3 mph
1800
86°F
NE
1 mph
1 mph
2100
73°F
S
4 mph
4 mph
August 11, tuesday
0000
72°F
S
5 mph
5 mph
0300
70°F
S
6 mph
6 mph
0600
70°F
SW
6 mph
6 mph
0900
84°F
SW
5 mph
5 mph
1200
93°F
SW
6 mph
6 mph
