26.06
fri
fri
Day
88°F
W 6 mph
Precip.
1%
1%
Night
70°F
S 6 mph
Precip.
3%
3%
27.06
sat
sat
Day
90°F
N 2 mph
Precip.
1%
1%
Night
72°F
S 5 mph
Precip.
4%
4%
28.06
sun
sun
Day
90°F
N 2 mph
Precip.
1%
1%
Night
73°F
S 6 mph
Precip.
3%
3%
29.06
mon
mon
Day
90°F
NW 2 mph
Precip.
1%
1%
Night
70°F
SW 2 mph
Precip.
5%
5%
30.06
tue
tue
Day
86°F
NE 4 mph
Precip.
1%
1%
Night
68°F
SW 3 mph
Precip.
4%
4%
01.07
wed
wed
Day
82°F
W 2 mph
Precip.
3%
3%
Night
66°F
SW 7 mph
Precip.
32%
32%
02.07
thu
thu
Day
82°F
W 3 mph
Precip.
5%
5%
Night
68°F
SW 6 mph
Precip.
8%
8%
Sea water temperature in June, °F
Show year:
2026
2025
2024
The average sea water temperature in June of 2026 was 70.9°F. The highest and lowest sea temperatures during the month were 76.8°F and 67.1°F.
Sea water temperature in July, °F
Show year:
2025
2024
2023
The average sea water temperature in July of 2025 was 75.8°F. The highest and lowest sea temperatures during the month were 77.2°F and 73.6°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: 06:00
June 26, friday
0900
81°F
SW
4 mph
4 mph
1200
88°F
W
6 mph
6 mph
1500
90°F
W
2 mph
2 mph
1800
84°F
W
2 mph
2 mph
2100
72°F
S
5 mph
5 mph
June 27, saturday
0000
70°F
S
6 mph
6 mph
0300
68°F
S
6 mph
6 mph
0600
66°F
S
6 mph
6 mph
