Measurements:
°C
°F
CURRENT WEATHER
20:19
Cascais
62°F
SE 9 mph
Feels like: 62°F
Precip: 0%
World Resorts Portugal Cascais Weather

7 Day Weather Forecast

04.19
sun
DAY
66°F
NE 3 mph
precip
0%
NIGHT
60°F
S 7 mph
precip
0%
04.20
mon
DAY
68°F
W 4 mph
precip
0%
NIGHT
66°F
W 14 mph
precip
0%
04.21
tue
DAY
66°F
N 16 mph
precip
78%
NIGHT
60°F
SE 7 mph
precip
67%
04.22
wed
DAY
62°F
N 14 mph
precip
0%
NIGHT
60°F
N 7 mph
precip
0%
04.23
thu
DAY
64°F
N 7 mph
precip
0%
NIGHT
60°F
SE 9 mph
precip
0%
04.24
fri
DAY
62°F
SE 6 mph
precip
0%
NIGHT
58°F
S 12 mph
precip
0%
04.25
sat
DAY
62°F
SE 14 mph
precip
0%
NIGHT
58°F
S 17 mph
precip
0%

Cascais Sea Water Temperature in April, °F

Select Year: 2026 2025 2024

The average sea surface temperature in April 2026 for Cascais was 14.9°F. The maximum and minimum values were 14.3°F and 15.5°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 60.0 °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
more details