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.

Friday
20th Feb
16

9

10

4
Saturday
21st Feb
19

9

11

4
Sunday
22nd Feb
20

10

11

4
Monday
23rd Feb
18

11

8

4
Tuesday
24th Feb
16

12

0

4

5-day weather forecast updated at 04:03 on Friday 20th February 2026 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 Friday 20th February 2026

Expect clear skies in Cascais, Portugal with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north.

16
°C maximum temperature
9
°C minimum temperature
clear skies
10
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
20
kph wind from N

Cascais weather for Saturday 21st February 2026

Expect clear skies in Cascais, Portugal with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the north-east.

19
°C maximum temperature
9
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from NE

Cascais weather for Sunday 22nd February 2026

Expect clear skies in Cascais, Portugal with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north-east.

20
°C maximum temperature
10
°C minimum temperature
clear skies
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
13
kph wind from NE

Cascais weather for Monday 23rd February 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.

18
°C maximum temperature
11
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
15
kph wind from S

Cascais weather for Tuesday 24th February 2026

Expect mostly cloudy with light rain in Cascais, Portugal with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 2-5 mm of rainfall expected with 45% chance of some rain and a moderate breeze of 21 kph from the south-west.