Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 20°C. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

Friday
24th Apr
20

14

10

6
Saturday
25th Apr
22

14

10

7
Sunday
26th Apr
25

15

13

7
Monday
27th Apr
25

16

12

7
Tuesday
28th Apr
22

15

5

7

5-day weather forecast updated at 04:02 on Thursday 23rd April 2026 GMT

More about Cascais

Cascais by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Portugal

TUI: Top deals & discounts on 2026/2027 holidays

Sale

Explore latest special offers & online deals from TUI
Free child places & £0 deposits with direct debit available
Book summer & winter sun holidays in 2026/2027

Go to TUI deal >>

View all TUI offers

TUI deal finder

Destination

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 24th April 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 20°C, maximum UV of 6 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north-west.

20
°C maximum temperature
14
°C minimum temperature
broken clouds
10
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
20
°C wind chill
23
kph wind from NW

Cascais weather for Saturday 25th April 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 22°C, maximum UV of 7 (High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north.

22
°C maximum temperature
14
°C minimum temperature
scattered clouds
10
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
30
kph wind from N

Cascais weather for Sunday 26th April 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 25°C, maximum UV of 7 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 24 kph from the north.

25
°C maximum temperature
15
°C minimum temperature
scattered clouds
13
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
25
°C wind chill
24
kph wind from N

Cascais weather for Monday 27th April 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 25°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 22 kph from the north.

25
°C maximum temperature
16
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
25
°C wind chill
22
kph wind from N

Cascais weather for Tuesday 28th April 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 22°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.