Opatija weather live forecast

Today's maximum temperature in Opatija is expected to be 27°C. Select a day from the live weather forecast for Opatija, Croatia for more weather parameters.

Monday
17th Aug
27

23

3

4
Tuesday
18th Aug
29

21

8

6
Wednesday
19th Aug
30

22

13

7
Thursday
20th Aug
30

25

4

6
Friday
21st Aug
26

24

3

5

5-day weather forecast updated at 04:01 on Sunday 16th August 2026 GMT

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The 5-day weather forecast for Croatia (Opatija) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Opatija weather forecast by day

Below are the detailed weather forecasts for Opatija for the next 5 days.

Opatija weather for Monday 17th August 2026

Expect isolated thunderstorms in Opatija, Croatia with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 72% chance of some rain and little or no wind of 6 kph from the north-west.

27
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
4
UV index (Moderate)
72
% chance of some rain
<20
mm of rainfall expected
L
low heat & humidity
6
kph wind from NW

Opatija weather for Tuesday 18th August 2026

Expect isolated thunderstorms in Opatija, Croatia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 21% chance of some rain and little or no wind of 6 kph from the north.

29
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
6
UV index (High)
21
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
6
kph wind from N

Opatija weather for Wednesday 19th August 2026

Expect clear skies in Opatija, Croatia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.

30
°C maximum temperature
22
°C minimum temperature
clear skies
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SE

Opatija weather for Thursday 20th August 2026

Expect isolated thunderstorms in Opatija, Croatia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 74% chance of some rain and a light breeze of 10 kph from the east.

30
°C maximum temperature
25
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
6
UV index (High)
74
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from E

Opatija weather for Friday 21st August 2026

Expect isolated thunderstorms in Opatija, Croatia with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 50 mm or more of rainfall expected with 94% chance of some rain and a light breeze of 9 kph from the south-east.