Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 70°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 Monday 8th 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 Monday 8th September 2025

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 70°F, maximum UV of 7 (High) and 9 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
  • 9 hours of bright sunshine9
    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 sunshine and showers in Cascais, Portugal with a maximum temperature of 70°F, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a fresh breeze of 22 mph from the north.

  • 70°F maximum temperature70
    °F maximum temperature
  • 63°F minimum temperature63
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 8 hours of bright sunshine8
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 25% chance of some rain25
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    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 Wednesday 10th September 2025

Expect sunshine and showers in Cascais, Portugal with a maximum temperature of 73°F, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 17% chance of some rain and a moderate breeze of 12 mph from the north-west.

  • 73°F maximum temperature73
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 6 hours of bright sunshine6
    hours of sunshine
  • UV (maximum) index 5 (Moderate)5
    UV index (Moderate)
  • 17% chance of some rain17
    % 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 12 mph from the North-West12
    mph wind from NW

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Cascais weather for Thursday 11th September 2025

Expect sunshine and showers in Cascais, Portugal with a maximum temperature of 75°F, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 1% chance of some rain and a moderate breeze of 16 mph from the north.

  • 75°F maximum temperature75
    °F maximum temperature
  • 66°F minimum temperature66
    °F minimum temperature
  • Sunshine and showers
    sunshine and showers
  • 9 hours of bright sunshine9
    hours of sunshine
  • UV (maximum) index 6 (High)6
    UV index (High)
  • 1% chance of some rain1
    % chance of some rain
  • 0-2 mm of rainfall expected<2
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Moderate breeze of 16 mph from the North16
    mph wind from N

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Cascais weather for Friday 12th September 2025

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 75°F, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 20 mph from the north.

  • 75°F maximum temperature75
    °F maximum temperature
  • 64°F minimum temperature64
    °F minimum temperature
  • Scattered clouds
    scattered clouds
  • 7 hours of bright sunshine7
    hours of sunshine
  • UV (maximum) index 7 (High)7
    UV index (High)
  • 0 mm of rainfall expected0
    mm of rainfall expected
  • 75°F wind chill75
    °F wind chill
  • Fresh breeze of 20 mph from the North20
    mph wind from N

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