Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 16°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

5-day weather forecast updated at 04:02 on Sunday 16th 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 Monday 17th November 2025

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 16°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 10-20 mm of rainfall expected with 99% chance of some rain and a moderate breeze of 22 kph from the south.

  • 16°C maximum temperature16
    °C maximum temperature
  • 10°C minimum temperature10
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 99% chance of some rain99
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 22 kph from the South22
    kph wind from S

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Portoroz weather for Tuesday 18th November 2025

Expect sunshine and showers in Portoroz, Slovenia with a maximum temperature of 11°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 2-5 mm of rainfall expected with 30% chance of some rain and a moderate breeze of 28 kph from the north-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 30% chance of some rain30
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 28 kph from the North-East28
    kph wind from NE

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Portoroz weather for Wednesday 19th November 2025

Expect sunshine and showers in Portoroz, Slovenia with a maximum temperature of 11°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a gentle breeze of 16 kph from the east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the East16
    kph wind from E

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Portoroz weather for Thursday 20th November 2025

Expect mostly cloudy with rain in Portoroz, Slovenia with a maximum temperature of 14°C and 2 hours of bright sunshine. There are 20-30 mm of rainfall expected with 74% chance of some rain and a gentle breeze of 19 kph from the east.

  • 14°C maximum temperature14
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 74% chance of some rain74
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 14°C wind chill14
    °C wind chill
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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Portoroz weather for Friday 21st November 2025

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 13°C and 1 hour of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 19 kph from the east.

  • 13°C maximum temperature13
    °C maximum temperature
  • 8°C minimum temperature8
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 87% chance of some rain87
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Gentle breeze of 19 kph from the East19
    kph wind from E

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

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