Measurements:
°C
°F
CURRENT WEATHER
05:21
Cascais
56°F
W 18 mph
Feels like: 50°F
Precip: 84%
World Resorts Portugal Cascais Weather

7 Day Weather Forecast

03.03
tue
DAY
60°F
SW 12 mph
precip
0%
NIGHT
58°F
S 16 mph
precip
0%
03.04
wed
DAY
62°F
S 11 mph
precip
0%
NIGHT
56°F
SE 12 mph
precip
0%
03.05
thu
DAY
58°F
SE 17 mph
precip
0%
NIGHT
50°F
SE 36 mph
precip
100%
03.06
fri
DAY
50°F
S 38 mph
precip
100%
NIGHT
54°F
S 27 mph
precip
85%
03.07
sat
DAY
56°F
S 22 mph
precip
65%
NIGHT
54°F
S 14 mph
precip
100%
03.08
sun
DAY
58°F
S 6 mph
precip
0%
NIGHT
54°F
S 11 mph
precip
0%
03.09
mon
DAY
58°F
NE 3 mph
precip
0%
NIGHT
56°F
N 8 mph
precip
0%

Cascais Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Cascais was 15.0°F. The maximum and minimum values were 14.6°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
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
more details