Cascais weather live forecast

Today's maximum temperature in Cascais is expected to be 26°C. Select a day from the live weather forecast for Cascais, Portugal for more weather parameters.

Tuesday
30th Jun
26

18

13

9
Wednesday
1st Jul
29

19

14

10
Thursday
2nd Jul
36

21

14

10
Friday
3rd Jul
35

25

14

10
Saturday
4th Jul
36

24

11

10

5-day weather forecast updated at 04:02 on Tuesday 30th 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 Tuesday 30th June 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 13 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 35 kph from the north.

26
°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
35
kph wind from N

Cascais weather for Wednesday 1st July 2026

Expect clear skies in Cascais, Portugal with a maximum temperature of 29°C, moderate levels of heat & humidity, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a fresh breeze of 29 kph from the north.

29
°C maximum temperature
19
°C minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
M
moderate heat & humidity
29
kph wind from N

Cascais weather for Thursday 2nd July 2026

Expect clear skies in Cascais, Portugal with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north.

36
°C maximum temperature
21
°C minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from N

Cascais weather for Friday 3rd July 2026

Expect clear skies in Cascais, Portugal with a maximum temperature of 35°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 21 kph from the north-west.

35
°C maximum temperature
25
°C minimum temperature
clear skies
14
hours of sunshine
10
UV index (Very High)
0
mm of rainfall expected
H
high heat & humidity
21
kph wind from NW

Cascais weather for Saturday 4th July 2026

Expect scattered clouds in Cascais, Portugal with a maximum temperature of 36°C, high levels of heat & humidity, maximum UV of 10 (Very High) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 23 kph from the north.