Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 25°C. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

Wednesday
29th Jul
25

19

10

9
Thursday
30th Jul
25

19

11

9
Friday
31st Jul
26

19

11

9
Saturday
1st Aug
27

19

14

9
Sunday
2nd Aug
26

20

11

9

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

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 10 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north.

25
°C maximum temperature
19
°C minimum temperature
scattered clouds
10
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from N

Cascais weather for Thursday 30th July 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 25°C, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 28 kph from the north.

25
°C maximum temperature
19
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
25
°C wind chill
28
kph wind from N

Cascais weather for Friday 31st July 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 26°C, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the north.

26
°C maximum temperature
19
°C minimum temperature
scattered clouds
11
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
26
°C wind chill
31
kph wind from N

Cascais weather for Saturday 1st August 2026

Expect clear skies in Cascais, Portugal with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-west.

27
°C maximum temperature
19
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
26
kph wind from NW

Cascais weather for Sunday 2nd August 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 26 kph from the north-west.