Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 30°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Monday
6th Jul
30

20

11

7
Tuesday
7th Jul
31

19

13

7
Wednesday
8th Jul
31

20

10

7
Thursday
9th Jul
31

20

15

7
Friday
10th Jul
32

20

9

7

5-day weather forecast updated at 04:01 on Monday 6th 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 Monday 6th July 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 10-20 mm of rainfall expected with 9% chance of some rain and a light breeze of 11 kph from the north-west.

30
°C maximum temperature
20
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
7
UV index (High)
9
% chance of some rain
<20
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from NW

Portoroz weather for Tuesday 7th 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 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-east.

31
°C maximum temperature
19
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from SE

Portoroz weather for Wednesday 8th 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 light breeze of 10 kph from the north-west.

31
°C maximum temperature
20
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from NW

Portoroz weather for Thursday 9th July 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 7 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the west.

31
°C maximum temperature
20
°C minimum temperature
clear skies
15
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
13
kph wind from W

Portoroz weather for Friday 10th 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 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.