Syros weather live forecast

Today's maximum temperature in Syros is expected to be 15°C. Select a day from the live weather forecast for Syros (Ermoupolis), Greece for more weather parameters.

5-day weather forecast updated at 04:02 on Friday 19th December 2025 GMT

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The 5-day weather forecast for Syros, represented by Ermoupolis, (Ermoupolis) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Syros weather forecast by day

Below are the detailed weather forecasts for Syros for the next 5 days. The forecasts shown are for Ermoupolis and may not represent the whole of Syros. Browse more destinations in Syros to view more weather forecasts.

Syros weather for Friday 19th December 2025

Expect scattered clouds in Syros with a maximum temperature of 15°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

  • 15°C maximum temperature15
    °C maximum temperature
  • 12°C minimum temperature12
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 13 kph from the North13
    kph wind from N

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Syros weather for Saturday 20th December 2025

Expect broken clouds in Syros with a maximum temperature of 16°C, maximum UV of 1 (Low) and no hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north.

  • 16°C maximum temperature16
    °C maximum temperature
  • 14°C minimum temperature14
    °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
  • Gentle breeze of 14 kph from the North14
    kph wind from N

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Syros weather for Sunday 21st December 2025

Expect sunshine and showers in Syros with a maximum temperature of 16°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 5-10 mm of rainfall expected with 42% chance of some rain and a gentle breeze of 15 kph from the north-east.

  • 16°C maximum temperature16
    °C maximum temperature
  • 14°C minimum temperature14
    °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)
  • 42% chance of some rain42
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 15 kph from the North-East15
    kph wind from NE

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Syros weather for Monday 22nd December 2025

Expect mostly cloudy with light rain in Syros with a maximum temperature of 16°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 37% chance of some rain and a gentle breeze of 16 kph from the north.

  • 16°C maximum temperature16
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 37% chance of some rain37
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Gentle breeze of 16 kph from the North16
    kph wind from N

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Syros weather for Tuesday 23rd December 2025

Expect isolated thunderstorms in Syros with a maximum temperature of 17°C, maximum UV of 1 (Low) and 7 hours of bright sunshine. There are 2-5 mm of rainfall expected with 50% chance of some rain and a moderate breeze of 20 kph from the north.

  • 17°C maximum temperature17
    °C maximum temperature
  • 14°C minimum temperature14
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 50% chance of some rain50
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 20 kph from the North20
    kph wind from N

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

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