Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 18°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Thursday
23rd Apr
18

4

13

5
Friday
24th Apr
21

8

14

6
Saturday
25th Apr
23

9

13

5
Sunday
26th Apr
23

10

13

6
Monday
27th Apr
23

11

6

4

5-day weather forecast updated at 04:01 on Thursday 23rd April 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 23rd April 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

18
°C maximum temperature
4
°C minimum temperature
clear skies
13
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
13
kph wind from SE

Portoroz weather for Friday 24th April 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 21°C, maximum UV of 6 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

21
°C maximum temperature
8
°C minimum temperature
clear skies
14
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
21
°C wind chill
11
kph wind from SE

Portoroz weather for Saturday 25th April 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

23
°C maximum temperature
9
°C minimum temperature
clear skies
13
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
11
kph wind from E

Portoroz weather for Sunday 26th April 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 23°C, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

23
°C maximum temperature
10
°C minimum temperature
clear skies
13
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from E

Portoroz weather for Monday 27th April 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.