Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 15°C. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

Friday
13th Mar
15

10

5

5
Saturday
14th Mar
14

12

2

4
Sunday
15th Mar
16

11

8

5
Monday
16th Mar
19

11

12

5
Tuesday
17th Mar
18

11

10

5

5-day weather forecast updated at 04:02 on Thursday 12th March 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 13th March 2026

Expect sunshine and showers in Cascais, Portugal with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 19% chance of some rain and a moderate breeze of 24 kph from the north-west.

15
°C maximum temperature
10
°C minimum temperature
sunshine and showers
5
hours of sunshine
5
UV index (Moderate)
19
% chance of some rain
<2
mm of rainfall expected
15
°C wind chill
24
kph wind from NW

Cascais weather for Saturday 14th March 2026

Expect mostly cloudy with light rain in Cascais, Portugal with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0-2 mm of rainfall expected with 35% chance of some rain and a moderate breeze of 28 kph from the north-west.

14
°C maximum temperature
12
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
4
UV index (Moderate)
35
% chance of some rain
<2
mm of rainfall expected
14
°C wind chill
28
kph wind from NW

Cascais weather for Sunday 15th March 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 16°C, maximum UV of 5 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 27 kph from the north.

16
°C maximum temperature
11
°C minimum temperature
scattered clouds
8
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
27
kph wind from N

Cascais weather for Monday 16th March 2026

Expect clear skies in Cascais, Portugal with a maximum temperature of 19°C, maximum UV of 5 (Moderate) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

19
°C maximum temperature
11
°C minimum temperature
clear skies
12
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from N

Cascais weather for Tuesday 17th March 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 18°C, maximum UV of 5 (Moderate) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the east.