17.03
tue
tue
Day
61°F
NW 16 mph
Precip.
0%
0%
Night
57°F
N 21 mph
Precip.
79%
79%
18.03
wed
wed
Day
61°F
NW 24 mph
Precip.
100%
100%
Night
57°F
NW 25 mph
Precip.
100%
100%
19.03
thu
thu
Day
55°F
N 26 mph
Precip.
100%
100%
Night
54°F
NW 22 mph
Precip.
59%
59%
20.03
fri
fri
Day
59°F
N 27 mph
Precip.
100%
100%
Night
55°F
NW 11 mph
Precip.
0%
0%
21.03
sat
sat
Day
59°F
NW 21 mph
Precip.
100%
100%
Night
57°F
NW 18 mph
Precip.
100%
100%
22.03
sun
sun
Day
59°F
NW 19 mph
Precip.
100%
100%
Night
55°F
W 9 mph
Precip.
0%
0%
23.03
mon
mon
Day
59°F
E 1 mph
Precip.
100%
100%
Night
55°F
S 9 mph
Precip.
0%
0%
24.03
tue
tue
Day
59°F
S 13 mph
Precip.
0%
0%
Night
55°F
S 11 mph
Precip.
0%
0%
25.03
wed
wed
Day
61°F
S 14 mph
Precip.
0%
0%
Night
57°F
S 12 mph
Precip.
0%
0%
26.03
thu
thu
Day
63°F
S 10 mph
Precip.
0%
0%
Night
57°F
S 14 mph
Precip.
0%
0%
27.03
fri
fri
Day
61°F
S 17 mph
Precip.
0%
0%
Night
57°F
S 20 mph
Precip.
0%
0%
28.03
sat
sat
Day
63°F
S 12 mph
Precip.
0%
0%
Night
57°F
S 15 mph
Precip.
0%
0%
29.03
sun
sun
Day
59°F
S 19 mph
Precip.
21%
21%
Night
55°F
S 22 mph
Precip.
84%
84%
30.03
mon
mon
Day
54°F
SE 23 mph
Precip.
68%
68%
Night
54°F
SE 25 mph
Precip.
100%
100%
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
Cascais on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 08:55
March 17, tuesday
0900
57°F
NW
16 mph
16 mph
1200
61°F
NW
16 mph
16 mph
1500
61°F
N
21 mph
21 mph
1800
57°F
N
22 mph
22 mph
2100
57°F
N
22 mph
22 mph
March 18, wednesday
0000
57°F
N
21 mph
21 mph
0300
57°F
N
24 mph
24 mph
0600
57°F
NW
22 mph
22 mph
