Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 48°F. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Monday
29th Dec
48

32

9

1
Tuesday
30th Dec
46

34

8

1
Wednesday
31st Dec
41

28

5

1
Thursday
1st Jan
45

32

4

1
Friday
2nd Jan
45

37

0

1

5-day weather forecast updated at 04:02 on Monday 29th December 2025 GMT

More about Portoroz

Portoroz by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Slovenia

TUI sale: 10% off 2026/2027 holidays

Discount Code

Save 10% on 2026/2027 holidays in biggest ever TUI sale
Max discount £500. T&Cs apply. £500 min spend
Travel between 1st May 2026 & 31st Oct 2027 (inclusive)

Show discount code

******ALE

Redeem TUI discount code >>

Expires at 23:59 on Saturday 31st Jan 2026 · View all TUI offers

TUI deal finder

Destination

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 December 2025

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 48°F, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 5 mph from the south-east.

48
°F maximum temperature
32
°F minimum temperature
scattered clouds
9
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
46
°F wind chill
5
mph wind from SE

Portoroz weather for Tuesday 30th December 2025

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 46°F, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 12 mph from the east.

46
°F maximum temperature
34
°F minimum temperature
scattered clouds
8
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
41
°F wind chill
12
mph wind from E

Portoroz weather for Wednesday 31st December 2025

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 41°F, maximum UV of 1 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

41
°F maximum temperature
28
°F minimum temperature
broken clouds
5
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
37
°F wind chill
7
mph wind from E

Portoroz weather for Thursday 1st January 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 45°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-west.

45
°F maximum temperature
32
°F minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
41
°F wind chill
7
mph wind from SW

Portoroz weather for Friday 2nd January 2026

Expect overcast with light rain in Portoroz, Slovenia with a maximum temperature of 45°F, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 69% chance of some rain and little or no wind of 4 mph from the south-west.