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Portoroz weather live forecast
Today's maximum temperature in Portoroz is expected to be 14°C. Select a day from the live weather forecast for Portoroz, Slovenia for more weather parameters.
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Thursday
12th Mar -
Friday
13th Mar -
Saturday
14th Mar -
Sunday
15th Mar -
Monday
16th Mar
5-day weather forecast updated at 04:01 on Thursday 12th March 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 12th March 2026
Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 14°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 87% chance of some rain and a light breeze of 7 kph from the south-east.
- °C maximum temperature
- °C minimum temperature
- mostly cloudy with light rain
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- kph wind from SE
Portoroz weather for Friday 13th March 2026
Expect scattered clouds in Portoroz, Slovenia with a maximum temperature of 12°C, maximum UV of 3 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south-east.
- °C maximum temperature
- °C minimum temperature
- scattered clouds
- hours of sunshine
- UV index (Moderate)
- mm of rainfall expected
- no heat & humidity
- kph wind from SE
Portoroz weather for Saturday 14th March 2026
Expect sunshine and showers in Portoroz, Slovenia with a maximum temperature of 14°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 2-5 mm of rainfall expected with 69% chance of some rain and a gentle breeze of 15 kph from the south-east.
- °C maximum temperature
- °C minimum temperature
- sunshine and showers
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from SE
Portoroz weather for Sunday 15th March 2026
Expect sunshine and showers in Portoroz, Slovenia with a maximum temperature of 15°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 56% chance of some rain and a light breeze of 10 kph from the east.
- °C maximum temperature
- °C minimum temperature
- sunshine and showers
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- °C wind chill
- kph wind from E
Portoroz weather for Monday 16th March 2026
Expect mostly cloudy with light rain in Portoroz, Slovenia with a maximum temperature of 14°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 75% chance of some rain and a gentle breeze of 13 kph from the east.
- °C maximum temperature
- °C minimum temperature
- mostly cloudy with light rain
- hours of sunshine
- UV index (Low)
- % chance of some rain
- mm of rainfall expected
- no heat & humidity
- kph wind from E
- Explore latest special offers & online deals from TUI
- Free child places & £0 deposits with direct debit available
- Book summer & winter sun holidays in 2026/2027
Metric (°C / mm) | Imperial (°F / inches)
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