Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 34°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Monday
10th Aug
34

20

14

7
Tuesday
11th Aug
36

23

13

7
Wednesday
12th Aug
36

24

14

7
Thursday
13th Aug
35

23

13

7
Friday
14th Aug
34

21

14

7

5-day weather forecast updated at 04:01 on Monday 10th August 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 10th August 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

34
°C maximum temperature
20
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
12
kph wind from W

Portoroz weather for Tuesday 11th August 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 36°C, high 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 north-east.

36
°C maximum temperature
23
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
13
kph wind from NE

Portoroz weather for Wednesday 12th August 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

36
°C maximum temperature
24
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
16
kph wind from E

Portoroz weather for Thursday 13th August 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 35°C, high 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 14 kph from the east.