Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 25°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Monday
28th Sep
25

12

11

5
Tuesday
29th Sep
26

13

12

4
Wednesday
30th Sep
25

13

9

4
Thursday
1st Oct
26

12

11

4
Friday
2nd Oct
26

12

9

4

5-day weather forecast updated at 04:01 on Monday 28th September 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 Monday 28th September 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 25°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.

25
°C maximum temperature
12
°C minimum temperature
clear skies
11
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from E

Portoroz weather for Tuesday 29th September 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

26
°C maximum temperature
13
°C minimum temperature
clear skies
12
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
11
kph wind from E

Portoroz weather for Wednesday 30th September 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 25°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

25
°C maximum temperature
13
°C minimum temperature
scattered clouds
9
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
11
kph wind from E

Portoroz weather for Thursday 1st October 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

26
°C maximum temperature
12
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
26
°C wind chill
11
kph wind from E

Portoroz weather for Friday 2nd October 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 26°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.