Galissas weather live forecast

Today's maximum temperature in Galissas is expected to be 23°C. Select a day from the live weather forecast for Galissas, Syros, Greece for more weather parameters.

5-day weather forecast updated at 04:02 on Saturday 11th October 2025 GMT

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

Galissas weather forecast by day

Below are the detailed weather forecasts for Galissas for the next 5 days.

Galissas weather for Saturday 11th October 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 23°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north.

  • 23°C maximum temperature23
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 23°C wind chill23
    °C wind chill
  • Fresh breeze of 30 kph from the North30
    kph wind from N

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Galissas weather for Sunday 12th October 2025

Expect clear skies in Galissas, Syros with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 33 kph from the north.

  • 21°C maximum temperature21
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Clear skies
    clear skies
  • 11 hours of bright sunshine11
    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
  • Fresh breeze of 33 kph from the North33
    kph wind from N

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Galissas weather for Monday 13th October 2025

Expect scattered clouds in Galissas, Syros with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.

  • 22°C maximum temperature22
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Moderate breeze of 23 kph from the North23
    kph wind from N

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Galissas weather for Tuesday 14th October 2025

Expect scattered clouds in Galissas, Syros with a maximum temperature of 22°C, maximum UV of 5 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

  • 22°C maximum temperature22
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Gentle breeze of 13 kph from the North13
    kph wind from N

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Galissas weather for Wednesday 15th October 2025

Expect scattered clouds in Galissas, Syros with a maximum temperature of 22°C, maximum UV of 4 (Moderate) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.

  • 22°C maximum temperature22
    °C maximum temperature
  • 18°C minimum temperature18
    °C minimum temperature
  • Scattered clouds
    scattered clouds
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Moderate breeze of 23 kph from the North23
    kph wind from N

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

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