Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 59°F. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

• Monday
  1st Dec
  59
  50
  
  7
  2
• Tuesday
  2nd Dec
  59
  54
  
  5
  2
• Wednesday
  3rd Dec
  57
  52
  
  3
  2
• Thursday
  4th Dec
  61
  55
  
  1
  1
• Friday
  5th Dec
  61
  54
  
  5
  2

5-day weather forecast updated at 04:02 on Sunday 30th 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 1st December 2025

Expect sunshine and showers in Cascais, Portugal with a maximum temperature of 59°F, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 71% chance of some rain and a light breeze of 6 mph from the south-west.

• 59
  °F maximum temperature
• 50
  °F minimum temperature
• 
  sunshine and showers
• 7
  hours of sunshine
• 2
  UV index (Low)
• 71
  % chance of some rain
• <2
  mm of rainfall expected
• 59
  °F wind chill
• 6
  mph wind from SW

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Cascais weather for Tuesday 2nd December 2025

Expect sunshine and showers in Cascais, Portugal with a maximum temperature of 59°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 10-20 mm of rainfall expected with 87% chance of some rain and a gentle breeze of 9 mph from the north-west.

• 59
  °F maximum temperature
• 54
  °F minimum temperature
• 
  sunshine and showers
• 5
  hours of sunshine
• 2
  UV index (Low)
• 87
  % chance of some rain
• <20
  mm of rainfall expected
• 59
  °F wind chill
• 9
  mph wind from NW

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Cascais weather for Wednesday 3rd December 2025

Expect mostly cloudy with light rain in Cascais, Portugal with a maximum temperature of 57°F, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 20% chance of some rain and a gentle breeze of 8 mph from the north.

• 57
  °F maximum temperature
• 52
  °F minimum temperature
• 
  mostly cloudy with light rain
• 3
  hours of sunshine
• 2
  UV index (Low)
• 20
  % chance of some rain
• <2
  mm of rainfall expected
• 57
  °F wind chill
• 8
  mph wind from N

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Cascais weather for Thursday 4th December 2025

Expect mostly cloudy with light rain in Cascais, Portugal with a maximum temperature of 61°F, maximum UV of 1 (Low) and 1 hour of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 8 mph from the north-west.

• 61
  °F maximum temperature
• 55
  °F minimum temperature
• 
  mostly cloudy with light rain
• 1
  hour of sunshine
• 1
  UV index (Low)
• 59
  % chance of some rain
• <2
  mm of rainfall expected
• 61
  °F wind chill
• 8
  mph wind from NW

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Cascais weather for Friday 5th December 2025

Expect sunshine and showers in Cascais, Portugal with a maximum temperature of 61°F, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 49% chance of some rain and a light breeze of 6 mph from the north-west.

• 61
  °F maximum temperature
• 54
  °F minimum temperature
• 
  sunshine and showers
• 5
  hours of sunshine
• 2
  UV index (Low)
• 49
  % chance of some rain
• <2
  mm of rainfall expected
• 61
  °F wind chill
• 6
  mph wind from NW

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Sale

• Save up to £300 on holidays (Jan 2026-Nov 2027)
• Book online with TUI Black Friday discount code
• Sign up to myTUI. Discount varies by spend. T&Cs apply

Go to TUI deal >>

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Metric (°C)  |  Imperial (°F)

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