Measurements:
°C
°F
Cascais
58°F
S 12 mph
Feels like: 56°F
Precip: 83%
World Resorts Portugal Cascais Weather

7 Day Weather Forecast

01.09
fri
DAY
58°F
SE 14 mph
precip
0%
NIGHT
56°F
S 11 mph
precip
0%
01.10
sat
DAY
58°F
S 6 mph
precip
0%
NIGHT
52°F
E 2 mph
precip
0%
01.11
sun
DAY
58°F
N 9 mph
precip
0%
NIGHT
56°F
N 12 mph
precip
0%
01.12
mon
DAY
60°F
N 21 mph
precip
81%
NIGHT
58°F
N 25 mph
precip
100%
01.13
tue
DAY
58°F
N 4 mph
precip
100%
NIGHT
54°F
NW 9 mph
precip
0%
01.14
wed
DAY
56°F
SW 8 mph
precip
0%
NIGHT
54°F
S 7 mph
precip
0%
01.15
thu
DAY
58°F
E 7 mph
precip
72%
NIGHT
56°F
E 19 mph
precip
83%

Cascais Sea Water Temperature in January, °F

Select Year: 2025 2024 2023

The average sea surface temperature in January 2025 for Cascais was 15.6°F. The maximum and minimum values were 15.3°F and 16.1°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 79.5 °F
July 78.1 °F
September 77.6 °F
Warmest sea temperature:
September 66.3 °F
October 65.9 °F
August 65.5 °F
The most cold months:
January 60.2 °F
February 60.4 °F
December 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