Portoroz weather live forecast

Tomorrow's maximum temperature in Portoroz is expected to be 18°C.

5-day weather forecast updated at 04:01 on Saturday 19th April 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 Saturday 19th April 2025

Expect sunshine and showers in Portoroz, Slovenia with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 6% chance of some rain and a gentle breeze of 15 kph from the south-west.

  • 18°C maximum temperature18
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 6% chance of some rain6
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the South-West15
    kph wind from SW

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Portoroz weather for Sunday 20th April 2025

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the south-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 11°C minimum temperature11
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Gentle breeze of 13 kph from the South-West13
    kph wind from SW

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Portoroz weather for Monday 21st April 2025

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the west.

  • 21°C maximum temperature21
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 21°C wind chill21
    °C wind chill
  • Light breeze of 10 kph from the West10
    kph wind from W

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Portoroz weather for Tuesday 22nd April 2025

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 23°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 2-5 mm of rainfall expected with 52% chance of some rain and a light breeze of 8 kph from the east.

  • 23°C maximum temperature23
    °C maximum temperature
  • 13°C minimum temperature13
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 52% chance of some rain52
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Light breeze of 8 kph from the East8
    kph wind from E

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Portoroz weather for Wednesday 23rd April 2025

Expect isolated thunderstorms in Portoroz, Slovenia with a maximum temperature of 21°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 5-10 mm of rainfall expected with 76% chance of some rain and a light breeze of 8 kph from the east.

  • 21°C maximum temperature21
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 76% chance of some rain76
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 8 kph from the East8
    kph wind from E

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

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