Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 73°F. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

5-day weather forecast updated at 04:03 on Sunday 7th September 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 Sunday 7th September 2025

Expect mostly cloudy with rain in Cascais, Portugal with a maximum temperature of 73°F, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 34% chance of some rain and a moderate breeze of 14 mph from the north.

  • 73°F maximum temperature73
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Mostly cloudy with rain
    mostly cloudy with rain
  • 3 hours of bright sunshine3
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 34% chance of some rain34
    % chance of some rain
  • 10-20 mm of rainfall expected<20
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Moderate breeze of 14 mph from the North14
    mph wind from N

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Cascais weather for Monday 8th September 2025

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 70°F, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 22 mph from the north.

  • 70°F maximum temperature70
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 10 hours of bright sunshine10
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Fresh breeze of 22 mph from the North22
    mph wind from N

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Cascais weather for Tuesday 9th September 2025

Expect broken clouds in Cascais, Portugal with a maximum temperature of 70°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the north.

  • 70°F maximum temperature70
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 70°F wind chill70
    °F wind chill
  • Fresh breeze of 20 mph from the North20
    mph wind from N

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Cascais weather for Wednesday 10th September 2025

Expect mostly cloudy with light rain in Cascais, Portugal with a maximum temperature of 73°F, maximum UV of 7 (High) and 4 hours of bright sunshine. There are 0-2 mm of rainfall expected with 15% chance of some rain and a moderate breeze of 13 mph from the north-west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Mostly cloudy with light rain
    mostly cloudy with light rain
  • 4 hours of bright sunshine4
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 15% chance of some rain15
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 73°F wind chill73
    °F wind chill
  • Moderate breeze of 13 mph from the North-West13
    mph wind from NW

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Cascais weather for Thursday 11th September 2025

Expect broken clouds in Cascais, Portugal with a maximum temperature of 75°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 16 mph from the north.

  • 75°F maximum temperature75
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Broken clouds
    broken clouds
  • 8 hours of bright sunshine8
    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
  • Moderate breeze of 16 mph from the North16
    mph wind from N

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Metric (°C)  |  Imperial (°F)

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