Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 8°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Friday
2nd Jan
8

4

0

0
Saturday
3rd Jan
9

2

5

1
Sunday
4th Jan
7

-1

4

1
Monday
5th Jan
5

-2

1

1
Tuesday
6th Jan
3

-1

0

0

5-day weather forecast updated at 04:02 on Friday 2nd January 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 Friday 2nd January 2026

Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 8°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 39% chance of some rain and a light breeze of 7 kph from the north.

8
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
0
hours of sunshine
0
UV index (None)
39
% chance of some rain
<2
mm of rainfall expected
7
°C wind chill
7
kph wind from N

Portoroz weather for Saturday 3rd January 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 9°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

9
°C maximum temperature
2
°C minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
8
°C wind chill
9
kph wind from NE

Portoroz weather for Sunday 4th January 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 7°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the north-east.

7
°C maximum temperature
-1
°C minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
4
°C wind chill
19
kph wind from NE

Portoroz weather for Monday 5th January 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 5°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

5
°C maximum temperature
-2
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
2
°C wind chill
16
kph wind from E

Portoroz weather for Tuesday 6th January 2026

Expect overcast skies in Portoroz, Slovenia with a maximum temperature of 3°C and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the east.