World Resorts Portugal Cascais Weather

Cascais 7 Days Forecast

06.10
tue
Day
66°F
E 8 mph
Precip.
16%
Night
66°F
SE 7 mph
Precip.
11%
07.10
wed
Day
66°F
S 11 mph
Precip.
12%
Night
64°F
S 19 mph
Precip.
14%
08.10
thu
Day
68°F
S 12 mph
Precip.
16%
Night
64°F
S 13 mph
Precip.
8%
09.10
fri
Day
70°F
W 8 mph
Precip.
2%
Night
64°F
S 15 mph
Precip.
7%
10.10
sat
Day
66°F
S 11 mph
Precip.
20%
Night
64°F
S 21 mph
Precip.
27%
11.10
sun
Day
66°F
NE 11 mph
Precip.
10%
Night
64°F
S 12 mph
Precip.
11%
12.10
mon
Day
66°F
S 6 mph
Precip.
7%
Night
64°F
S 15 mph
Precip.
14%

Sea water temperature in October, °F

Show year:
2025
2024
2023

The average sea water temperature in October of 2025 was 63.2°F. The highest and lowest sea temperatures during the month were 65.8°F and 61.5°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

Sunniest months:
August 27 days
July 26 days
September 23 days
Warmest months:
August 76.3 °F
July 75.1 °F
September 74.5 °F
Warmest sea temp:
September 64.7 °F
October 64.4 °F
August 64.1 °F
Coldest months:
January 59.0 °F
February 59.3 °F
March 61.0 °F
Rainiest months:
November 5 days
March 4 days
December 4 days
Windiest months:
July 13.8 mph
August 13.5 mph
June 13.2 mph

Cascais on a weather map

Cascais
+66°F
E 8 mph
Feels like: +66°F
Precip.: 16%
Places in Portugal:
Name
°F
+72°F
+72°F
+66°F
+70°F
+72°F
+72°F
+68°F
+70°F
+77°F
+72°F
+70°F
+73°F
+72°F
+68°F
+72°F
24 Hours Forecast
Cascais
Local time: 13:01
October 06, tuesday
1500
68°F
E
12 mph
1800
66°F
SE
11 mph
2100
66°F
SE
9 mph
October 07, wednesday
0000
66°F
SE
7 mph
0300
66°F
SE
7 mph
0600
64°F
SE
10 mph
0900
64°F
S
11 mph
1200
66°F
S
11 mph
Units of measurement: °C / °F