Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 28°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Saturday
30th May
28

16

11

7
Sunday
31st May
29

18

9

7
Monday
1st Jun
26

18

6

7
Tuesday
2nd Jun
26

16

4

6
Wednesday
3rd Jun
23

17

3

4

5-day weather forecast updated at 04:01 on Saturday 30th May 2026 GMT

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

Portoroz weather forecast by day

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

Portoroz weather for Saturday 30th May 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

28
°C maximum temperature
16
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from SE

Portoroz weather for Sunday 31st May 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a light breeze of 12 kph from the south-east.

29
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
7
UV index (High)
31
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
12
kph wind from SE

Portoroz weather for Monday 1st June 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 26°C, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a light breeze of 10 kph from the east.

26
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
7
UV index (High)
71
% chance of some rain
<20
mm of rainfall expected
26
°C wind chill
10
kph wind from E

Portoroz weather for Tuesday 2nd June 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

26
°C maximum temperature
16
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from SW

Portoroz weather for Wednesday 3rd June 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 88% chance of some rain and a gentle breeze of 15 kph from the south.