Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 12°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

  • Tuesday
    18th Nov
    Sunshine and showers (20-30 mm of rainfall expected)
  • Wednesday
    19th Nov
    Scattered clouds
  • Thursday
    20th Nov
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Friday
    21st Nov
    Overcast with light rain (0-2 mm of rainfall expected)
  • Saturday
    22nd Nov
    Overcast skies

5-day weather forecast updated at 04:02 on Tuesday 18th 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 Tuesday 18th November 2025

Expect sunshine and showers in Portoroz, Slovenia with a maximum temperature of 12°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 20-30 mm of rainfall expected with 13% chance of some rain and a fresh breeze of 29 kph from the north-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 13% chance of some rain13
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 12°C wind chill12
    °C wind chill
  • Fresh breeze of 29 kph from the North-East29
    kph wind from NE

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Portoroz weather for Wednesday 19th November 2025

Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 11°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the north-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 3°C minimum temperature3
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the North-East12
    kph wind from NE

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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 3 hours of bright sunshine. There are 5-10 mm of rainfall expected with 88% chance of some rain and a light breeze of 12 kph from the south-east.

  • 13°C maximum temperature13
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 88% chance of some rain88
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 12 kph from the South-East12
    kph wind from SE

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Portoroz weather for Friday 21st November 2025

Expect overcast with light rain in Portoroz, Slovenia with a maximum temperature of 10°C and no hours of bright sunshine. There are 0-2 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 22 kph from the east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 5°C minimum temperature5
    °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)
  • 67% chance of some rain67
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the East22
    kph wind from E

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Portoroz weather for Saturday 22nd November 2025

Expect overcast skies in Portoroz, Slovenia with a maximum temperature of 8°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Overcast skies
    overcast skies
  • 1 hour of bright sunshine1
    hour of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 4°C wind chill4
    °C wind chill
  • Moderate breeze of 22 kph from the North-East22
    kph wind from NE

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

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