Portoroz weather live forecast

Today's maximum temperature in Portoroz is expected to be 8°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.

  • Monday
    12th Jan
    Broken clouds
  • Tuesday
    13th Jan
    Overcast skies
  • Wednesday
    14th Jan
    Mostly cloudy with light rain (0-2 mm of rainfall expected)
  • Thursday
    15th Jan
    Mostly cloudy with rain (5-10 mm of rainfall expected)
  • Friday
    16th Jan
    Mostly cloudy with light rain (0-2 mm of rainfall expected)

5-day weather forecast updated at 04:02 on Monday 12th 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 Monday 12th January 2026

Expect broken clouds 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 light breeze of 10 kph from the south-east.

  • 8°C maximum temperature8
    °C maximum temperature
  • 0°C minimum temperature0
    °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
  • 6°C wind chill6
    °C wind chill
  • Light breeze of 10 kph from the South-East10
    kph wind from SE

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Portoroz weather for Tuesday 13th January 2026

Expect overcast skies in Portoroz, Slovenia with a maximum temperature of 9°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

  • 9°C maximum temperature9
    °C maximum temperature
  • 4°C minimum temperature4
    °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
  • 8°C wind chill8
    °C wind chill
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

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Portoroz weather for Wednesday 14th January 2026

Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 11°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 36% chance of some rain and a light breeze of 7 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 6°C minimum temperature6
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 36% chance of some rain36
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

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Portoroz weather for Thursday 15th January 2026

Expect mostly cloudy with rain in Portoroz, Slovenia with a maximum temperature of 11°C and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 64% chance of some rain and a light breeze of 7 kph from the south-east.

  • 11°C maximum temperature11
    °C maximum temperature
  • 7°C minimum temperature7
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 1 hour of bright sunshine1
    hour of sunshine
  • No UV (maximum) index0
    UV index (None)
  • 64% chance of some rain64
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • 11°C wind chill11
    °C wind chill
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

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Portoroz weather for Friday 16th January 2026

Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 12°C, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 48% chance of some rain and a light breeze of 7 kph from the south-east.

  • 12°C maximum temperature12
    °C maximum temperature
  • 8°C minimum temperature8
    °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)
  • 48% chance of some rain48
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 7 kph from the South-East7
    kph wind from SE

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

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