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.

Friday
23rd Jan
10

4

1

1
Saturday
24th Jan
11

7

0

0
Sunday
25th Jan
11

6

0

1
Monday
26th Jan
10

4

1

1
Tuesday
27th Jan
11

2

4

1

5-day weather forecast updated at 04:02 on Friday 23rd January 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 Friday 23rd January 2026

Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 79% chance of some rain and a light breeze of 7 kph from the east.

10
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
79
% chance of some rain
<2
mm of rainfall expected
9
°C wind chill
7
kph wind from E

Portoroz weather for Saturday 24th January 2026

Expect mostly cloudy with rain in Portoroz, Slovenia with a maximum temperature of 11°C and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a light breeze of 10 kph from the south-east.

11
°C maximum temperature
7
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
0
UV index (None)
89
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
10
kph wind from SE

Portoroz weather for Sunday 25th January 2026

Expect cloudy with some rain in Portoroz, Slovenia with a maximum temperature of 11°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 83% chance of some rain and a light breeze of 10 kph from the south-east.

11
°C maximum temperature
6
°C minimum temperature
cloudy with some rain
0
hours of sunshine
1
UV index (Low)
83
% chance of some rain
<20
mm of rainfall expected
0
no heat & humidity
10
kph wind from SE

Portoroz weather for Monday 26th January 2026

Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 46% chance of some rain and a light breeze of 7 kph from the south-east.

10
°C maximum temperature
4
°C minimum temperature
mostly cloudy with light rain
1
hour of sunshine
1
UV index (Low)
46
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
7
kph wind from SE

Portoroz weather for Tuesday 27th January 2026

Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 11°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 14 kph from the south-east.