Santorini weather live forecast

Today's maximum temperature in Santorini is expected to be 81°F. Select a day from the live weather forecast for Santorini (Thira), Greece for more weather parameters.

5-day weather forecast updated at 04:01 on Wednesday 17th September 2025 GMT

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

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Below are temperatures expected today at popular countries, regions and places in Santorini. Select a destination to see the detailed weather forecast for today, tomorrow and the outlook for the next five days.

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Santorini weather forecast by day

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

Santorini weather for Thursday 18th September 2025

Expect clear skies in Santorini with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 8 (Very High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 27 mph from the north.

  • 81°F maximum temperature81
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Strong breeze of 27 mph from the North27
    mph wind from N

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Santorini weather for Friday 19th September 2025

Expect clear skies in Santorini with a maximum temperature of 79°F, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate gale of 32 mph from the north.

  • 79°F maximum temperature79
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 79°F wind chill79
    °F wind chill
  • Moderate gale of 32 mph from the North32
    mph wind from N

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Santorini weather for Saturday 20th September 2025

Expect clear skies in Santorini with a maximum temperature of 77°F, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a strong breeze of 26 mph from the north.

  • 77°F maximum temperature77
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Strong breeze of 26 mph from the North26
    mph wind from N

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Santorini weather for Sunday 21st September 2025

Expect clear skies in Santorini with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north.

  • 81°F maximum temperature81
    °F maximum temperature
  • 73°F minimum temperature73
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Moderate breeze of 16 mph from the North16
    mph wind from N

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Santorini weather for Monday 22nd September 2025

Expect clear skies in Santorini with a maximum temperature of 81°F, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north.

  • 81°F maximum temperature81
    °F maximum temperature
  • 72°F minimum temperature72
    °F minimum temperature
  • Clear skies
    clear skies
  • 12 hours of bright sunshine12
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • Low heat & humidityL
    low heat & humidity
  • Light breeze of 7 mph from the North7
    mph wind from N

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  • Book online with TUI & save up to 8% on holidays
  • FREE child places available for select holidays
  • Pay £0 deposits with direct debit & spread the cost
Go to TUI deal >>

View all TUI offers

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Metric (°C)  |  Imperial (°F)

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