Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 17°C. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

Wednesday
29th Apr
17

15

4

6
Thursday
30th Apr
18

15

5

7
Friday
1st May
20

14

3

7
Saturday
2nd May
20

14

8

6
Sunday
3rd May
20

14

5

7

5-day weather forecast updated at 04:02 on Wednesday 29th April 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 Wednesday 29th April 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 17°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the south-west.

17
°C maximum temperature
15
°C minimum temperature
broken clouds
4
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
17
°C wind chill
22
kph wind from SW

Cascais weather for Thursday 30th April 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 18°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south-west.

18
°C maximum temperature
15
°C minimum temperature
broken clouds
5
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
18
°C wind chill
15
kph wind from SW

Cascais weather for Friday 1st May 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 20°C, maximum UV of 7 (High) and 3 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-west.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
3
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
20
°C wind chill
17
kph wind from NW

Cascais weather for Saturday 2nd May 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 20°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the north-west.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
8
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
20
°C wind chill
20
kph wind from NW

Cascais weather for Sunday 3rd May 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 20°C, maximum UV of 7 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north-west.