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.

Thursday
29th Jan
15

11

2

2
Friday
30th Jan
15

11

2

2
Saturday
31st Jan
15

11

3

2
Sunday
1st Feb
15

13

0

2
Monday
2nd Feb
13

10

3

2

5-day weather forecast updated at 04:02 on Thursday 29th January 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 Thursday 29th January 2026

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 2-5 mm of rainfall expected with 92% chance of some rain and a fresh breeze of 38 kph from the west.

15
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
2
UV index (Low)
92
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
38
kph wind from W

Cascais weather for Friday 30th January 2026

Expect isolated thunderstorms 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 43% chance of some rain and a fresh breeze of 35 kph from the west.

15
°C maximum temperature
11
°C minimum temperature
isolated thunderstorms
2
hours of sunshine
2
UV index (Low)
43
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
35
kph wind from W

Cascais weather for Saturday 31st January 2026

Expect mostly cloudy with light rain in Cascais, Portugal with a maximum temperature of 15°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 0-2 mm of rainfall expected with 78% chance of some rain and a moderate breeze of 27 kph from the south-west.

15
°C maximum temperature
11
°C minimum temperature
mostly cloudy with light rain
3
hours of sunshine
2
UV index (Low)
78
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
27
kph wind from SW

Cascais weather for Sunday 1st February 2026

Expect isolated thunderstorms in Cascais, Portugal with a maximum temperature of 15°C, maximum UV of 2 (Low) and no hours of bright sunshine. There are 20-30 mm of rainfall expected with 99% chance of some rain and a strong breeze of 39 kph from the south-west.

15
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
2
UV index (Low)
99
% chance of some rain
<30
mm of rainfall expected
0
no heat & humidity
39
kph wind from SW

Cascais weather for Monday 2nd February 2026

Expect mostly cloudy with rain in Cascais, Portugal with a maximum temperature of 13°C, maximum UV of 2 (Low) and 3 hours of bright sunshine. There are 10-20 mm of rainfall expected with 94% chance of some rain and a fresh breeze of 38 kph from the west.