Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 24°C. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

Saturday
23rd May
24

16

8

UV6
Sunday
24th May
23

15

11

UV8
Monday
25th May
27

15

9

UV8
Tuesday
26th May
29

18

12

UV7
Wednesday
27th May
28

18

14

UV8

5-day weather forecast updated at 04:02 on Saturday 23rd 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 Saturday 23rd May 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 24°C, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north.

24
°C maximum temperature
16
°C minimum temperature
broken clouds
8
hours of sunshine
UV6
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
25
kph wind from N

Cascais weather for Sunday 24th May 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 23°C, maximum UV of 8 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north.

23
°C maximum temperature
15
°C minimum temperature
scattered clouds
11
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
0
no heat & humidity
17
kph wind from N

Cascais weather for Monday 25th May 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 27°C, low 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 15 kph from the north-west.

27
°C maximum temperature
15
°C minimum temperature
scattered clouds
9
hours of sunshine
UV8
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
15
kph wind from NW

Cascais weather for Tuesday 26th May 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 29°C, low levels of heat & humidity, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-west.

29
°C maximum temperature
18
°C minimum temperature
scattered clouds
12
hours of sunshine
UV7
UV index (High)
0
mm of rainfall expected
L
low heat & humidity
16
kph wind from NW

Cascais weather for Wednesday 27th May 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 28°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 moderate breeze of 24 kph from the north.