05.08
wed
wed
Day
88°F
NE 3 mph
Precip.
1%
1%
Night
72°F
S 4 mph
Precip.
3%
3%
06.08
thu
thu
Day
93°F
NE 2 mph
Precip.
1%
1%
Night
73°F
S 6 mph
Precip.
1%
1%
07.08
fri
fri
Day
86°F
SW 7 mph
Precip.
4%
4%
Night
64°F
SW 8 mph
Precip.
57%
57%
08.08
sat
sat
Day
82°F
SW 6 mph
Precip.
7%
7%
Night
68°F
SW 8 mph
Precip.
3%
3%
09.08
sun
sun
Day
90°F
NE 1 mph
Precip.
1%
1%
Night
70°F
S 7 mph
Precip.
3%
3%
10.08
mon
mon
Day
90°F
N 2 mph
Precip.
1%
1%
Night
72°F
NE 4 mph
Precip.
3%
3%
11.08
tue
tue
Day
86°F
W 4 mph
Precip.
17%
17%
Night
63°F
SW 9 mph
Precip.
51%
51%
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: 12:09
August 05, wednesday
1500
84°F
NE
3 mph
3 mph
1800
75°F
S
3 mph
3 mph
2100
73°F
S
4 mph
4 mph
August 06, thursday
0000
72°F
S
4 mph
4 mph
0300
72°F
S
4 mph
4 mph
0600
72°F
SW
4 mph
4 mph
0900
86°F
SW
2 mph
2 mph
1200
93°F
NE
2 mph
2 mph
