Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 21°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Monday
19th Oct
21

11

11

3
Tuesday
20th Oct
21

12

5

2
Wednesday
21st Oct
20

15

1

1
Thursday
22nd Oct
16

8

3

1
Friday
23rd Oct
18

7

6

3

5-day weather forecast updated at 04:01 on Monday 19th 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 19th October 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-east.

21
°C maximum temperature
11
°C minimum temperature
clear skies
11
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
8
kph wind from SE

Portoroz weather for Tuesday 20th October 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 21°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the south-east.

21
°C maximum temperature
12
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
21
°C wind chill
18
kph wind from SE

Portoroz weather for Wednesday 21st October 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 20°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 96% chance of some rain and a moderate breeze of 26 kph from the south-east.

20
°C maximum temperature
15
°C minimum temperature
isolated thunderstorms
1
hour of sunshine
1
UV index (Low)
96
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
26
kph wind from SE

Portoroz weather for Thursday 22nd October 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 16°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 82% chance of some rain and a gentle breeze of 17 kph from the north-east.

16
°C maximum temperature
8
°C minimum temperature
isolated thunderstorms
3
hours of sunshine
1
UV index (Low)
82
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
17
kph wind from NE

Portoroz weather for Friday 23rd October 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 18°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.