Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 16°C. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

Wednesday
10th Dec
16

11

7

2
Thursday
11th Dec
15

10

2

2
Friday
12th Dec
14

11

4

1
Saturday
13th Dec
15

10

6

2
Sunday
14th Dec
17

10

9

2

5-day weather forecast updated at 04:03 on Wednesday 10th December 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 Wednesday 10th December 2025

Expect sunshine and showers in Cascais, Portugal with a maximum temperature of 16°C, maximum UV of 2 (Low) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 7% chance of some rain and a moderate breeze of 21 kph from the north.

16
°C maximum temperature
11
°C minimum temperature
sunshine and showers
7
hours of sunshine
2
UV index (Low)
7
% chance of some rain
<2
mm of rainfall expected
16
°C wind chill
21
kph wind from N

Cascais weather for Thursday 11th December 2025

Expect mostly cloudy with light rain in Cascais, Portugal with a maximum temperature of 15°C, maximum UV of 2 (Low) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 63% chance of some rain and a moderate breeze of 20 kph from the south.

15
°C maximum temperature
10
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
63
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
20
kph wind from S

Cascais weather for Friday 12th December 2025

Expect sunshine and showers in Cascais, Portugal with a maximum temperature of 14°C, maximum UV of 1 (Low) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 67% chance of some rain and a moderate breeze of 28 kph from the north.

14
°C maximum temperature
11
°C minimum temperature
sunshine and showers
4
hours of sunshine
1
UV index (Low)
67
% chance of some rain
<20
mm of rainfall expected
14
°C wind chill
28
kph wind from N

Cascais weather for Saturday 13th December 2025

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 15°C, maximum UV of 2 (Low) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-east.

15
°C maximum temperature
10
°C minimum temperature
scattered clouds
6
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
24
kph wind from NE

Cascais weather for Sunday 14th December 2025

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 17°C, maximum UV of 2 (Low) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.