Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 35°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Monday
3rd Aug
35

22

15

8
Tuesday
4th Aug
34

21

15

8
Wednesday
5th Aug
35

22

14

7
Thursday
6th Aug
36

23

14

7
Friday
7th Aug
35

23

6

7

5-day weather forecast updated at 04:01 on Monday 3rd 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 3rd August 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

35
°C maximum temperature
22
°C minimum temperature
clear skies
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
13
kph wind from SW

Portoroz weather for Tuesday 4th August 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 34°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-west.

34
°C maximum temperature
21
°C minimum temperature
clear skies
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
11
kph wind from SW

Portoroz weather for Wednesday 5th 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 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the west.

35
°C maximum temperature
22
°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 Thursday 6th 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 light breeze of 11 kph from the east.

36
°C maximum temperature
23
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
H
high heat & humidity
11
kph wind from E

Portoroz weather for Friday 7th August 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 7 (High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the north-east.