Measurements:
°C
°F
CURRENT WEATHER
04:19
Cascais
66°F
SW 9 mph
Feels like: 66°F
Precip: 3%
World Resorts Portugal Cascais Weather

7 Day Weather Forecast

10.19
mon
DAY
68°F
S 6 mph
precip
3%
NIGHT
62°F
S 12 mph
precip
5%
10.20
tue
DAY
64°F
S 15 mph
precip
17%
NIGHT
64°F
SE 10 mph
precip
7%
10.21
wed
DAY
64°F
S 17 mph
precip
13%
NIGHT
62°F
S 16 mph
precip
17%
10.22
thu
DAY
62°F
S 8 mph
precip
5%
NIGHT
62°F
S 11 mph
precip
15%
10.23
fri
DAY
66°F
SE 5 mph
precip
20%
NIGHT
62°F
NW 20 mph
precip
10%
10.24
sat
DAY
64°F
NE 19 mph
precip
9%
NIGHT
62°F
S 21 mph
precip
11%
10.25
sun
DAY
66°F
S 19 mph
precip
7%
NIGHT
64°F
S 14 mph
precip
13%

Cascais Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Cascais was 18.6°F. The maximum and minimum values were 18.1°F and 19.2°F respectively.

Cascais on the Weather Map

Best Time to Visit Cascais
The most sunny months:
August 27 days
July 26 days
September 23 days
The most warm months:
August 79.2 °F
July 77.9 °F
September 77.2 °F
Warmest sea temperature:
September 66.3 °F
October 65.9 °F
August 65.6 °F
The most cold months:
January 60.0 °F
February 60.3 °F
March 62.2 °F
The most rainy months:
November 5 days
March 4 days
December 4 days
The most windy months:
July 14 mph
August 13 mph
June 13 mph
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