Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 23°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Thursday
11th Jun
23

15

7

6
Friday
12th Jun
24

13

11

7
Saturday
13th Jun
26

14

15

8
Sunday
14th Jun
28

16

15

7
Monday
15th Jun
27

17

8

7

5-day weather forecast updated at 04:02 on Thursday 11th 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 Thursday 11th June 2026

Expect sunshine and showers in Portoroz, Slovenia with a maximum temperature of 23°C, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 32% chance of some rain and a gentle breeze of 19 kph from the north-east.

23
°C maximum temperature
15
°C minimum temperature
sunshine and showers
7
hours of sunshine
6
UV index (High)
32
% chance of some rain
<2
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 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

24
°C maximum temperature
13
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
24
°C wind chill
13
kph wind from NE

Portoroz weather for Saturday 13th June 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 26°C, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.

26
°C maximum temperature
14
°C minimum temperature
clear skies
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
10
kph wind from SE

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 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

28
°C maximum temperature
16
°C minimum temperature
clear skies
15
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
14
kph wind from W

Portoroz weather for Monday 15th June 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 55% chance of some rain and a gentle breeze of 13 kph from the east.