26.10
mon
mon
Day
63°F
NE 3 mph
Precip.
10%
10%
Night
59°F
SE 4 mph
Precip.
15%
15%
27.10
tue
tue
Day
66°F
E 2 mph
Precip.
10%
10%
Night
61°F
S 13 mph
Precip.
21%
21%
28.10
wed
wed
Day
64°F
S 11 mph
Precip.
11%
11%
Night
61°F
S 11 mph
Precip.
7%
7%
29.10
thu
thu
Day
66°F
SE 3 mph
Precip.
6%
6%
Night
63°F
S 7 mph
Precip.
9%
9%
30.10
fri
fri
Day
70°F
SW 2 mph
Precip.
9%
9%
Night
63°F
S 5 mph
Precip.
16%
16%
31.10
sat
sat
Day
68°F
N 1 mph
Precip.
5%
5%
Night
64°F
S 8 mph
Precip.
8%
8%
01.11
sun
sun
Day
72°F
NW 4 mph
Precip.
7%
7%
Night
64°F
SW 3 mph
Precip.
5%
5%
Sea water temperature in October, °F
Show year:
2026
2025
2024
The average sea water temperature in October of 2026 was 64.9°F. The highest and lowest sea temperatures during the month were 66.6°F and 63.0°F.
Sea water temperature in November, °F
Show year:
2025
2024
2023
The average sea water temperature in November of 2025 was 63.5°F. The highest and lowest sea temperatures during the month were 65.1°F and 60.3°F.
Air temperature in Cascais, °F
Precipitation total in Cascais, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Cascais
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 14:18
October 26, monday
1500
63°F
E
6 mph
6 mph
1800
61°F
SE
6 mph
6 mph
2100
59°F
SE
5 mph
5 mph
October 27, tuesday
0000
59°F
SE
4 mph
4 mph
0300
59°F
NW
1 mph
1 mph
0600
59°F
NW
2 mph
2 mph
0900
63°F
NW
4 mph
4 mph
1200
66°F
E
2 mph
2 mph
