World Resorts Portugal Cascais Weather

Cascais weather in October

Weather in Cascais: October

Average day temperature: 71.5°F
Average night temperature: 65.3°F
Sea water temperature: 64.4°F
Number of sunny days: 16 days
Day length: 10.6 - 11.8 hours
Number of rainy days: 4 days
Precipitation totals: 2.3 in.

Air temperature in October, °F

Show year:
2025
2024
2023

The highest day temperature during October of 2025 was 73°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during October were 69.3°F and 64.9°F.

Sea water temperature in Cascais 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.

Sunny, partly cloudy and cloudy days

Mostly all days in October are sunny but cloudy days are also possible.

Precipitation total in October, in.

Precipitation total value in Cascais in October is 1.6 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 11.3 mph It makes October lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 7.1.

Best time for vacation in Cascais

Sunniest months:
August 27 days
July 26 days
September 23 days
Warmest months:
August 76.5 °F
July 75.3 °F
September 74.8 °F
Warmest sea temp:
September 64.7 °F
October 64.4 °F
August 64.0 °F
Coldest months:
January 59.2 °F
February 59.4 °F
March 61.1 °F
Rainiest months:
November 5 days
March 4 days
December 4 days
Windiest months:
July 14.0 mph
August 13.5 mph
June 13.1 mph

Cascais on a weather map

Cascais
+63°F
E 19 mph
Feels like: +63°F
Precip.: 100%
Places in Portugal:
Name
°F
+57°F
+57°F
+63°F
+57°F
+61°F
+61°F
+54°F
+64°F
+59°F
+54°F
+64°F
+57°F
+54°F
24 Hours Forecast
Cascais
Local time: 03:56
December 05, friday
0600
61°F
E
16 mph
0900
61°F
E
16 mph
1200
63°F
E
15 mph
1500
63°F
E
14 mph
1800
61°F
E
10 mph
2100
61°F
E
8 mph
December 06, saturday
0000
61°F
E
9 mph
0300
61°F
E
10 mph
Units of measurement: °C / °F