Measurements:
°C
°F
CURRENT WEATHER
22:49
Opatija
64°F
SW 11 mph
Feels like: 64°F
Precip: 9%
World Resorts Croatia Opatija Weather

7 Day Weather Forecast

10.01
thu
DAY
74°F
SW 3 mph
precip
1%
NIGHT
64°F
SW 11 mph
precip
9%
10.02
fri
DAY
72°F
SW 8 mph
precip
10%
NIGHT
64°F
SW 11 mph
precip
12%
10.03
sat
DAY
72°F
SW 3 mph
precip
1%
NIGHT
62°F
SW 8 mph
precip
2%
10.04
sun
DAY
70°F
NE 4 mph
precip
1%
NIGHT
64°F
SW 6 mph
precip
4%
10.05
mon
DAY
70°F
NE 3 mph
precip
2%
NIGHT
64°F
SW 7 mph
precip
12%
10.06
tue
DAY
74°F
W 2 mph
precip
1%
NIGHT
66°F
SW 6 mph
precip
9%
10.07
wed
DAY
70°F
NE 3 mph
precip
10%
NIGHT
64°F
SW 4 mph
precip
14%

Opatija Sea Water Temperature in October, °F

Select Year: 2025 2024 2023

The average sea surface temperature in October 2025 for Opatija was 18.9°F. The maximum and minimum values were 17.1°F and 21.8°F respectively.

Opatija on the Weather Map

Best Time to Visit Opatija
The most sunny months:
August 23 days
July 21 days
June 19 days
The most warm months:
August 83.4 °F
July 83.0 °F
June 78.5 °F
Warmest sea temperature:
August 79.1 °F
July 78.6 °F
September 73.9 °F
The most cold months:
January 41.4 °F
February 43.6 °F
December 44.5 °F
The most rainy months:
May 7 days
November 6 days
July 6 days
The most windy months:
February 8 mph
March 7 mph
November 7 mph
more details