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.

Sunday
14th Jun
25

18

8

7
Monday
15th Jun
23

18

12

7
Tuesday
16th Jun
26

17

15

9
Wednesday
17th Jun
28

18

13

9
Thursday
18th Jun
27

18

6

8

5-day weather forecast updated at 04:02 on Saturday 13th June 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 Sunday 14th June 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 25°C, maximum UV of 7 (High) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 19 kph from the west.

25
°C maximum temperature
18
°C minimum temperature
broken clouds
8
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
25
°C wind chill
19
kph wind from W

Cascais weather for Monday 15th June 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 23°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 30 kph from the north.

23
°C maximum temperature
18
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
30
kph wind from N

Cascais weather for Tuesday 16th June 2026

Expect clear skies in Cascais, Portugal with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 15 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north.

26
°C maximum temperature
17
°C minimum temperature
clear skies
15
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
29
kph wind from N

Cascais weather for Wednesday 17th June 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 28°C, low levels of heat & humidity, maximum UV of 9 (Very High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north.

28
°C maximum temperature
18
°C minimum temperature
scattered clouds
13
hours of sunshine
9
UV index (Very High)
0
mm of rainfall expected
L
low heat & humidity
29
kph wind from N

Cascais weather for Thursday 18th June 2026

Expect broken clouds in Cascais, Portugal with a maximum temperature of 27°C, low levels of heat & humidity, maximum UV of 8 (Very High) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 25 kph from the north.