Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 29°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Saturday
11th Jul
29

20

7

6
Sunday
12th Jul
32

19

11

7
Monday
13th Jul
31

19

10

7
Tuesday
14th Jul
32

20

5

7
Wednesday
15th Jul
31

21

11

7

5-day weather forecast updated at 04:01 on Friday 10th July 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 Saturday 11th July 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 63% chance of some rain and a light breeze of 10 kph from the south-east.

29
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
7
hours of sunshine
6
UV index (High)
63
% chance of some rain
<5
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from SE

Portoroz weather for Sunday 12th July 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

32
°C maximum temperature
19
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

Portoroz weather for Monday 13th July 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the west.

31
°C maximum temperature
19
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
14
kph wind from W

Portoroz weather for Tuesday 14th July 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

32
°C maximum temperature
20
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

Portoroz weather for Wednesday 15th July 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.