Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 26°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Wednesday
10th Jun
26

18

4

5
Thursday
11th Jun
23

14

6

6
Friday
12th Jun
24

12

13

7
Saturday
13th Jun
26

14

14

7
Sunday
14th Jun
28

16

14

7

5-day weather forecast updated at 04:01 on Wednesday 10th June 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 Wednesday 10th June 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the south-east.

26
°C maximum temperature
18
°C minimum temperature
broken clouds
4
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from SE

Portoroz weather for Thursday 11th June 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 23°C, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 19 kph from the north-east.

23
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
6
UV index (High)
53
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
19
kph wind from NE

Portoroz weather for Friday 12th June 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 24°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-west.

24
°C maximum temperature
12
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
24
°C wind chill
13
kph wind from NW

Portoroz weather for Saturday 13th June 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.

26
°C maximum temperature
14
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
10
kph wind from W

Portoroz weather for Sunday 14th June 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.