Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 9°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Sunday
25th Jan
9

5

0

0
Monday
26th Jan
10

4

7

1
Tuesday
27th Jan
10

3

5

1
Wednesday
28th Jan
12

6

0

0
Thursday
29th Jan
10

5

1

1

5-day weather forecast updated at 04:02 on Sunday 25th 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 Sunday 25th January 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 9°C and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 94% chance of some rain and a light breeze of 11 kph from the south-east.

9
°C maximum temperature
5
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
0
UV index (None)
94
% chance of some rain
<10
mm of rainfall expected
7
°C wind chill
11
kph wind from SE

Portoroz weather for Monday 26th January 2026

Expect sunshine and showers in Portoroz, Slovenia with a maximum temperature of 10°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 5-10 mm of rainfall expected with 17% chance of some rain and a light breeze of 7 kph from the north-west.

10
°C maximum temperature
4
°C minimum temperature
sunshine and showers
7
hours of sunshine
1
UV index (Low)
17
% chance of some rain
<10
mm of rainfall expected
0
no heat & humidity
7
kph wind from NW

Portoroz weather for Tuesday 27th January 2026

Expect sunshine and showers in Portoroz, Slovenia with a maximum temperature of 10°C, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 80% chance of some rain and a light breeze of 8 kph from the south-east.

10
°C maximum temperature
3
°C minimum temperature
sunshine and showers
5
hours of sunshine
1
UV index (Low)
80
% chance of some rain
<2
mm of rainfall expected
9
°C wind chill
8
kph wind from SE

Portoroz weather for Wednesday 28th January 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 12°C and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a moderate breeze of 20 kph from the south-east.

12
°C maximum temperature
6
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
0
UV index (None)
95
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
20
kph wind from SE

Portoroz weather for Thursday 29th January 2026

Expect mostly cloudy with rain in Portoroz, Slovenia with a maximum temperature of 10°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 62% chance of some rain and a light breeze of 8 kph from the south.