Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 27°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Sunday
7th Jun
27

15

15

7
Monday
8th Jun
29

17

15

7
Tuesday
9th Jun
29

18

11

7
Wednesday
10th Jun
28

18

8

7
Thursday
11th Jun
24

16

1

5

5-day weather forecast updated at 04:01 on Sunday 7th June 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 Sunday 7th June 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

27
°C maximum temperature
15
°C minimum temperature
clear skies
15
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
9
kph wind from SE

Portoroz weather for Monday 8th June 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the east.

29
°C maximum temperature
17
°C minimum temperature
clear skies
15
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
10
kph wind from E

Portoroz weather for Tuesday 9th June 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 29°C, low 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 west.

29
°C maximum temperature
18
°C minimum temperature
broken clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
11
kph wind from W

Portoroz weather for Wednesday 10th June 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 47% chance of some rain and a gentle breeze of 15 kph from the east.

28
°C maximum temperature
18
°C minimum temperature
isolated thunderstorms
8
hours of sunshine
7
UV index (High)
47
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
15
kph wind from E

Portoroz weather for Thursday 11th June 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 24°C, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 16 kph from the north-east.