Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 32°C. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

Tuesday
26th May
32

20

9

8
Wednesday
27th May
29

20

14

8
Thursday
28th May
27

17

14

9
Friday
29th May
25

17

10

9
Saturday
30th May
24

17

8

8

5-day weather forecast updated at 04:02 on Tuesday 26th May 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 Tuesday 26th May 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 32°C, moderate levels of heat & humidity, maximum UV of 8 (Very High) and 9 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

32
°C maximum temperature
20
°C minimum temperature
broken clouds
9
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
16
kph wind from NE

Cascais weather for Wednesday 27th May 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-west.

29
°C maximum temperature
20
°C minimum temperature
scattered clouds
14
hours of sunshine
8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
18
kph wind from NW

Cascais weather for Thursday 28th May 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 25 kph from the north-west.

27
°C maximum temperature
17
°C minimum temperature
clear skies
14
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
25
kph wind from NW

Cascais weather for Friday 29th May 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 28 kph from the north.

25
°C maximum temperature
17
°C minimum temperature
scattered clouds
10
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 Saturday 30th May 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 24°C, maximum UV of 8 (Very High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 31 kph from the north.