Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 13°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Saturday
13th Dec
13

4

9

1
Sunday
14th Dec
13

3

9

1
Monday
15th Dec
12

3

3

1
Tuesday
16th Dec
12

5

1

1
Wednesday
17th Dec
13

8

2

0

5-day weather forecast updated at 04:02 on Friday 12th December 2025 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 Saturday 13th December 2025

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 13°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

13
°C maximum temperature
4
°C minimum temperature
clear skies
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
9
kph wind from SE

Portoroz weather for Sunday 14th December 2025

13
°C maximum temperature
3
°C minimum temperature
clear skies
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
13
°C wind chill
8
kph wind from E

Portoroz weather for Monday 15th December 2025

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 12°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

12
°C maximum temperature
3
°C minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
12
°C wind chill
7
kph wind from SE

Portoroz weather for Tuesday 16th December 2025

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 12°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.

12
°C maximum temperature
5
°C minimum temperature
broken clouds
1
hour of sunshine
1
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
8
kph wind from E

Portoroz weather for Wednesday 17th December 2025

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 13°C and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the east.