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.

Monday
5th Oct
23

11

3

3
Tuesday
6th Oct
23

11

6

3
Wednesday
7th Oct
22

13

5

3
Thursday
8th Oct
22

16

2

1
Friday
9th Oct
19

10

4

1

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

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-east.

23
°C maximum temperature
11
°C minimum temperature
broken clouds
3
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
23
°C wind chill
8
kph wind from SE

Portoroz weather for Tuesday 6th October 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

23
°C maximum temperature
11
°C minimum temperature
scattered clouds
6
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from SE

Portoroz weather for Wednesday 7th October 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 22°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 62% chance of some rain and a light breeze of 10 kph from the south-east.

22
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
3
UV index (Moderate)
62
% chance of some rain
<10
mm of rainfall expected
22
°C wind chill
10
kph wind from SE

Portoroz weather for Thursday 8th October 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 22°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 95% chance of some rain and a gentle breeze of 19 kph from the south.

22
°C maximum temperature
16
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
1
UV index (Low)
95
% chance of some rain
<40
mm of rainfall expected
22
°C wind chill
19
kph wind from S

Portoroz weather for Friday 9th October 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 19°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 76% chance of some rain and a gentle breeze of 17 kph from the north-east.