Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 54°F. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Monday
22nd Dec
54

37

3

1
Tuesday
23rd Dec
54

46

1

0
Wednesday
24th Dec
48

41

1

0
Thursday
25th Dec
46

39

4

1
Friday
26th Dec
48

37

8

1

5-day weather forecast updated at 04:02 on Monday 22nd December 2025 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 22nd December 2025

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 54°F, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

54
°F maximum temperature
37
°F minimum temperature
broken clouds
3
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
54
°F wind chill
7
mph wind from E

Portoroz weather for Tuesday 23rd December 2025

Expect mostly cloudy with rain in Portoroz, Slovenia with a maximum temperature of 54°F and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 71% chance of some rain and a gentle breeze of 10 mph from the north-east.

54
°F maximum temperature
46
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
71
% chance of some rain
<20
mm of rainfall expected
54
°F wind chill
10
mph wind from NE

Portoroz weather for Wednesday 24th December 2025

Expect mostly cloudy with rain in Portoroz, Slovenia with a maximum temperature of 48°F and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 89% chance of some rain and a fresh breeze of 19 mph from the east.

48
°F maximum temperature
41
°F minimum temperature
mostly cloudy with rain
1
hour of sunshine
0
UV index (None)
89
% chance of some rain
<10
mm of rainfall expected
41
°F wind chill
19
mph wind from E

Portoroz weather for Thursday 25th December 2025

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 46°F, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the east.

46
°F maximum temperature
39
°F minimum temperature
broken clouds
4
hours of sunshine
1
UV index (Low)
0
mm of rainfall expected
41
°F wind chill
16
mph wind from E

Portoroz weather for Friday 26th December 2025

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 48°F, maximum UV of 1 (Low) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 11 mph from the east.