Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 10°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Thursday
26th Mar
10

6

0

2
Friday
27th Mar
11

6

0

2
Saturday
28th Mar
16

5

11

4
Sunday
29th Mar
17

7

5

3
Monday
30th Mar
14

6

1

3

5-day weather forecast updated at 04:02 on Thursday 26th March 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 Thursday 26th March 2026

Expect overcast with light rain in Portoroz, Slovenia with a maximum temperature of 10°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 30-40 mm of rainfall expected with 47% chance of some rain and a fresh breeze of 29 kph from the north-east.

10
°C maximum temperature
6
°C minimum temperature
overcast with light rain
0
hours of sunshine
2
UV index (Low)
47
% chance of some rain
<40
mm of rainfall expected
0
no heat & humidity
29
kph wind from NE

Portoroz weather for Friday 27th March 2026

Expect overcast skies in Portoroz, Slovenia with a maximum temperature of 11°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-east.

11
°C maximum temperature
6
°C minimum temperature
overcast skies
0
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
23
kph wind from NE

Portoroz weather for Saturday 28th March 2026

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-west.

16
°C maximum temperature
5
°C minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NW

Portoroz weather for Sunday 29th March 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 17°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

17
°C maximum temperature
7
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
17
°C wind chill
14
kph wind from NE

Portoroz weather for Monday 30th March 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 14°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.