World Resorts Portugal Cascais Weather

Cascais 7 Days Forecast

17.03
tue
Day
61°F
NW 16 mph
Precip.
0%
Night
57°F
N 20 mph
Precip.
81%
18.03
wed
Day
61°F
NW 24 mph
Precip.
100%
Night
57°F
NW 24 mph
Precip.
100%
19.03
thu
Day
55°F
N 25 mph
Precip.
100%
Night
54°F
NW 21 mph
Precip.
59%
20.03
fri
Day
59°F
N 27 mph
Precip.
100%
Night
54°F
NW 11 mph
Precip.
0%
21.03
sat
Day
59°F
NW 21 mph
Precip.
100%
Night
57°F
NW 17 mph
Precip.
86%
22.03
sun
Day
59°F
NW 17 mph
Precip.
100%
Night
55°F
W 9 mph
Precip.
0%
23.03
mon
Day
61°F
E 1 mph
Precip.
100%
Night
55°F
S 8 mph
Precip.
0%

Sea water temperature in March, °F

Show year:
2026
2025
2024

The average sea water temperature in March of 2026 was 56.8°F. The highest and lowest sea temperatures during the month were 57.6°F and 56.3°F.

Air temperature in Cascais, °F

Precipitation total in Cascais, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Cascais

Sunniest months:
August 27 days
July 26 days
September 23 days
Warmest months:
August 76.5 °F
July 75.3 °F
September 74.8 °F
Warmest sea temp:
September 64.7 °F
October 64.4 °F
August 64.0 °F
Coldest months:
January 59.0 °F
February 59.3 °F
December 61.0 °F
Rainiest months:
November 5 days
March 4 days
December 4 days
Windiest months:
July 14.0 mph
August 13.5 mph
June 13.1 mph

Cascais on a weather map

Cascais
+57°F
NW 16 mph
Feels like: +54°F
Precip.: 0%
Places in Portugal:
Name
°F
+61°F
+61°F
+61°F
+61°F
+63°F
+61°F
+52°F
+63°F
+66°F
+52°F
+64°F
+61°F
+61°F
+61°F
24 Hours Forecast
Cascais
Local time: 10:40
March 17, tuesday
1200
61°F
NW
16 mph
1500
61°F
N
21 mph
1800
57°F
N
21 mph
2100
57°F
N
21 mph
March 18, wednesday
0000
57°F
N
20 mph
0300
57°F
N
23 mph
0600
57°F
NW
21 mph
0900
57°F
NW
21 mph
Units of measurement: °C / °F