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.

Monday
15th Jun
27

17

11

7
Tuesday
16th Jun
28

16

12

7
Wednesday
17th Jun
30

17

11

7
Thursday
18th Jun
32

19

15

8
Friday
19th Jun
31

20

16

8

5-day weather forecast updated at 04:01 on Sunday 14th 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 15th June 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 7 (High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 31% chance of some rain and a gentle breeze of 13 kph from the north-east.

27
°C maximum temperature
17
°C minimum temperature
isolated thunderstorms
11
hours of sunshine
7
UV index (High)
31
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
13
kph wind from NE

Portoroz weather for Tuesday 16th June 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

28
°C maximum temperature
16
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
12
kph wind from E

Portoroz weather for Wednesday 17th June 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 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

30
°C maximum temperature
17
°C minimum temperature
scattered clouds
11
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
M
moderate heat & humidity
11
kph wind from E

Portoroz weather for Thursday 18th June 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 32°C, moderate 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 10 kph from the west.

32
°C maximum temperature
19
°C minimum temperature
clear skies
15
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
10
kph wind from W

Portoroz weather for Friday 19th June 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 31°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 16 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.