Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 36°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Monday
29th Jun
36

22

14

8
Tuesday
30th Jun
35

23

15

8
Wednesday
1st Jul
35

23

14

7
Thursday
2nd Jul
28

21

6

8
Friday
3rd Jul
30

18

13

7

5-day weather forecast updated at 04:01 on Monday 29th 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 Monday 29th June 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the north-east.

36
°C maximum temperature
22
°C minimum temperature
scattered clouds
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
9
kph wind from NE

Portoroz weather for Tuesday 30th June 2026

Expect scattered clouds 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 light breeze of 9 kph from the south-east.

35
°C maximum temperature
23
°C minimum temperature
scattered clouds
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
9
kph wind from SE

Portoroz weather for Wednesday 1st July 2026

Expect isolated thunderstorms 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 0-2 mm of rainfall expected with 53% chance of some rain and a gentle breeze of 18 kph from the west.

35
°C maximum temperature
23
°C minimum temperature
isolated thunderstorms
14
hours of sunshine
7
UV index (High)
53
% chance of some rain
<2
mm of rainfall expected
H
high heat & humidity
18
kph wind from W

Portoroz weather for Thursday 2nd July 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 38% chance of some rain and a moderate breeze of 20 kph from the north-east.

28
°C maximum temperature
21
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
8
UV index (Very High)
38
% chance of some rain
<10
mm of rainfall expected
L
low heat & humidity
20
kph wind from NE

Portoroz weather for Friday 3rd July 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 30°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 15 kph from the north-east.