Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 13°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

  • Thursday
    20th Nov
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Friday
    21st Nov
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Saturday
    22nd Nov
    Overcast with light rain (0-2 mm of rainfall expected)
  • Sunday
    23rd Nov
    Mostly cloudy with light rain (2-5 mm of rainfall expected)
  • Monday
    24th Nov
    Cloudy with some rain (10-20 mm of rainfall expected)

5-day weather forecast updated at 04:01 on Thursday 20th November 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 Thursday 20th November 2025

Expect mostly cloudy with rain in Portoroz, Slovenia with a maximum temperature of 13°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 17 kph from the east.

  • 13°C maximum temperature13
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 57% chance of some rain57
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Gentle breeze of 17 kph from the East17
    kph wind from E

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Portoroz weather for Friday 21st November 2025

Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 2-5 mm of rainfall expected with 37% chance of some rain and a moderate breeze of 26 kph from the east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 37% chance of some rain37
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Moderate breeze of 26 kph from the East26
    kph wind from E

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Portoroz weather for Saturday 22nd November 2025

Expect overcast with light rain in Portoroz, Slovenia with a maximum temperature of 7°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 27 kph from the north-east.

  • 7°C maximum temperature7
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Overcast with light rain
    overcast with light rain
  • No hours of bright sunshine0
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 34% chance of some rain34
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 2°C wind chill2
    °C wind chill
  • Moderate breeze of 27 kph from the North-East27
    kph wind from NE

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Portoroz weather for Sunday 23rd November 2025

Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 8°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 57% chance of some rain and a gentle breeze of 13 kph from the north-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 1°C minimum temperature1
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 57% chance of some rain57
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 5°C wind chill5
    °C wind chill
  • Gentle breeze of 13 kph from the North-East13
    kph wind from NE

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Portoroz weather for Monday 24th November 2025

Expect cloudy with some rain in Portoroz, Slovenia with a maximum temperature of 10°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 92% chance of some rain and a light breeze of 9 kph from the north-west.

  • 10°C maximum temperature10
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Cloudy with some rain
    cloudy with some rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 92% chance of some rain92
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 9 kph from the North-West9
    kph wind from NW

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Metric (°C / mm)  |  Imperial (°F / inches)

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