Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 10°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

  • Thursday
    15th Jan
    Broken clouds
  • Friday
    16th Jan
    Broken clouds
  • Saturday
    17th Jan
    Clear skies
  • Sunday
    18th Jan
    Broken clouds
  • Monday
    19th Jan
    Broken clouds

5-day weather forecast updated at 04:02 on Thursday 15th January 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 Thursday 15th January 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 10°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 5 kph from the east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Broken clouds
    broken clouds
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 5 kph from the East5
    kph wind from E

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Portoroz weather for Friday 16th January 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 11°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and little or no wind of 6 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 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
  • No heat & humidity0
    no heat & humidity
  • Little or no wind of 6 kph from the South-East6
    kph wind from SE

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Portoroz weather for Saturday 17th January 2026

Expect clear skies in Portoroz, Slovenia with a maximum temperature of 13°C, maximum UV of 1 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the east.

  • 13°C maximum temperature13
    °C maximum temperature
  • 5°C minimum temperature5
    °C minimum temperature
  • Clear skies
    clear skies
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 13°C wind chill13
    °C wind chill
  • Light breeze of 11 kph from the East11
    kph wind from E

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Portoroz weather for Sunday 18th January 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 11°C, maximum UV of 1 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 4°C minimum temperature4
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Gentle breeze of 13 kph from the East13
    kph wind from E

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Portoroz weather for Monday 19th January 2026

Expect broken clouds in Portoroz, Slovenia with a maximum temperature of 10°C, maximum UV of 1 (Low) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.

  • 10°C maximum temperature10
    °C maximum temperature
  • 2°C minimum temperature2
    °C minimum temperature
  • Broken clouds
    broken clouds
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 7°C wind chill7
    °C wind chill
  • Gentle breeze of 16 kph from the East16
    kph wind from E

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  • Travel between 1st May 2026 & 31st Oct 2027 (inclusive)
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Metric (°C / mm)  |  Imperial (°F / inches)

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