San Sebastian weather live forecast

Tomorrow's maximum temperature in San Sebastian is expected to be 30°C.

5-day weather forecast updated at 04:01 on Friday 30th May 2025 GMT

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

San Sebastian weather forecast by day

Below are the detailed weather forecasts for San Sebastian for the next 5 days.

San Sebastian weather for Friday 30th May 2025

Expect isolated thunderstorms in San Sebastian, Spain with a maximum temperature of 30°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0-2 mm of rainfall expected with 28% chance of some rain and a gentle breeze of 17 kph from the south.

  • 30°C maximum temperature30
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 11 hours of bright sunshine11
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 28% chance of some rain28
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • Moderate heat & humidityM
    moderate heat & humidity
  • Gentle breeze of 17 kph from the South17
    kph wind from S

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San Sebastian weather for Saturday 31st May 2025

Expect isolated thunderstorms in San Sebastian, Spain with a maximum temperature of 22°C, maximum UV of 8 (Very High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a light breeze of 10 kph from the north-west.

  • 22°C maximum temperature22
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 8 (Very High)8
    UV index (Very High)
  • 17% chance of some rain17
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 22°C wind chill22
    °C wind chill
  • Light breeze of 10 kph from the North-West10
    kph wind from NW

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San Sebastian weather for Sunday 1st June 2025

Expect mostly cloudy with rain in San Sebastian, Spain with a maximum temperature of 19°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 5-10 mm of rainfall expected with 78% chance of some rain and a light breeze of 10 kph from the north-west.

  • 19°C maximum temperature19
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 78% chance of some rain78
    % chance of some rain
  • 5-10 mm of rainfall expected<10
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Light breeze of 10 kph from the North-West10
    kph wind from NW

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San Sebastian weather for Monday 2nd June 2025

Expect isolated thunderstorms in San Sebastian, Spain with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 73% chance of some rain and a gentle breeze of 14 kph from the north-east.

  • 18°C maximum temperature18
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • No hours of bright sunshine0
    hours of sunshine
  • UV (maximum) index 4 (Moderate)4
    UV index (Moderate)
  • 73% chance of some rain73
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • 18°C wind chill18
    °C wind chill
  • Gentle breeze of 14 kph from the North-East14
    kph wind from NE

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San Sebastian weather for Tuesday 3rd June 2025

Expect isolated thunderstorms in San Sebastian, Spain with a maximum temperature of 20°C, maximum UV of 5 (Moderate) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 51% chance of some rain and a light breeze of 12 kph from the north-west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 51% chance of some rain51
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Light breeze of 12 kph from the North-West12
    kph wind from NW

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

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