Measurements:
°C
°F
CURRENT WEATHER
14:36
Cascais
64°F
S 7 mph
Feels like: 64°F
Precip: 0%
World Resorts Portugal Cascais Weather

7 Day Weather Forecast

03.30
mon
DAY
60°F
SW 11 mph
precip
0%
NIGHT
56°F
SW 8 mph
precip
0%
03.31
tue
DAY
66°F
SW 6 mph
precip
0%
NIGHT
60°F
S 9 mph
precip
0%
04.01
wed
DAY
66°F
SW 11 mph
precip
0%
NIGHT
58°F
S 11 mph
precip
0%
04.02
thu
DAY
64°F
S 12 mph
precip
0%
NIGHT
56°F
S 17 mph
precip
0%
04.03
fri
DAY
64°F
S 9 mph
precip
0%
NIGHT
56°F
SE 7 mph
precip
0%
04.04
sat
DAY
62°F
E 5 mph
precip
0%
NIGHT
58°F
S 5 mph
precip
0%
04.05
sun
DAY
64°F
NE 5 mph
precip
0%
NIGHT
58°F
S 8 mph
precip
0%

Cascais Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Cascais was 14.2°F. The maximum and minimum values were 13.5°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