Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 20°C. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

5-day weather forecast updated at 04:02 on Sunday 9th November 2025 GMT

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

Cascais weather forecast by day

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

Cascais weather for Monday 10th November 2025

Expect sunshine and showers in Cascais, Portugal with a maximum temperature of 20°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 18% chance of some rain and a light breeze of 12 kph from the west.

  • 20°C maximum temperature20
    °C maximum temperature
  • 15°C minimum temperature15
    °C minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 3 (Moderate)3
    UV index (Moderate)
  • 18% chance of some rain18
    % 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 West12
    kph wind from W

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Cascais weather for Tuesday 11th November 2025

Expect mostly cloudy with light rain in Cascais, Portugal with a maximum temperature of 20°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 2-5 mm of rainfall expected with 59% chance of some rain and a fresh breeze of 33 kph from the south.

  • 20°C maximum temperature20
    °C maximum temperature
  • 16°C minimum temperature16
    °C minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 59% chance of some rain59
    % chance of some rain
  • 2-5 mm of rainfall expected<5
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Fresh breeze of 33 kph from the South33
    kph wind from S

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Cascais weather for Wednesday 12th November 2025

Expect isolated thunderstorms in Cascais, Portugal with a maximum temperature of 20°C, maximum UV of 1 (Low) and 2 hours of bright sunshine. There are 30-40 mm of rainfall expected with 97% chance of some rain and a strong breeze of 42 kph from the south.

  • 20°C maximum temperature20
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 2 hours of bright sunshine2
    hours of sunshine
  • UV (maximum) index 1 (Low)1
    UV index (Low)
  • 97% chance of some rain97
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • 20°C wind chill20
    °C wind chill
  • Strong breeze of 42 kph from the South42
    kph wind from S

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Cascais weather for Thursday 13th November 2025

Expect isolated thunderstorms in Cascais, Portugal with a maximum temperature of 19°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 30-40 mm of rainfall expected with 98% chance of some rain and a fresh breeze of 37 kph from the south.

  • 19°C maximum temperature19
    °C maximum temperature
  • 17°C minimum temperature17
    °C minimum temperature
  • Isolated thunderstorms
    isolated thunderstorms
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 2 (Low)2
    UV index (Low)
  • 98% chance of some rain98
    % chance of some rain
  • 30-40 mm of rainfall expected<40
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 37 kph from the South37
    kph wind from S

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Cascais weather for Friday 14th November 2025

Expect isolated thunderstorms in Cascais, Portugal with a maximum temperature of 18°C, maximum UV of 2 (Low) and 4 hours of bright sunshine. There are 20-30 mm of rainfall expected with 95% chance of some rain and a fresh breeze of 35 kph from the south-west.

  • 18°C maximum temperature18
    °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 2 (Low)2
    UV index (Low)
  • 95% chance of some rain95
    % chance of some rain
  • 20-30 mm of rainfall expected<30
    mm of rainfall expected
  • No heat & humidity0
    no heat & humidity
  • Fresh breeze of 35 kph from the South-West35
    kph wind from SW

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

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