Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 72°F. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

Sunday
10th May
72

52

2

4
Monday
11th May
68

57

4

4
Tuesday
12th May
63

45

11

6
Wednesday
13th May
61

39

4

6
Thursday
14th May
66

46

6

5

5-day weather forecast updated at 04:01 on Sunday 10th May 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 10th May 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 72°F, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the south-east.

72
°F maximum temperature
52
°F minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
72
°F wind chill
7
mph wind from SE

Portoroz weather for Monday 11th May 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 68°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 89% chance of some rain and a gentle breeze of 12 mph from the south.

68
°F maximum temperature
57
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
89
% chance of some rain
<20
mm of rainfall expected
68
°F wind chill
12
mph wind from S

Portoroz weather for Tuesday 12th May 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 63°F, maximum UV of 6 (High) and 11 hours of bright sunshine. There are 5-10 mm of rainfall expected with 92% chance of some rain and a gentle breeze of 12 mph from the north-east.

63
°F maximum temperature
45
°F minimum temperature
isolated thunderstorms
11
hours of sunshine
6
UV index (High)
92
% chance of some rain
<10
mm of rainfall expected
63
°F wind chill
12
mph wind from NE

Portoroz weather for Wednesday 13th May 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 61°F, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the east.

61
°F maximum temperature
39
°F minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
7
mph wind from E

Portoroz weather for Thursday 14th May 2026

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 66°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 67% chance of some rain and a light breeze of 7 mph from the east.