18.03
tue
tue
Day
59°F
E 11 mph
Precip.
62%
62%
Night
57°F
N 20 mph
Precip.
100%
100%
19.03
wed
wed
Day
59°F
N 32 mph
Precip.
73%
73%
Night
54°F
NE 30 mph
Precip.
100%
100%
20.03
thu
thu
Day
57°F
N 26 mph
Precip.
100%
100%
Night
54°F
NE 33 mph
Precip.
100%
100%
21.03
fri
fri
Day
59°F
NE 25 mph
Precip.
100%
100%
Night
54°F
E 24 mph
Precip.
100%
100%
22.03
sat
sat
Day
57°F
SE 20 mph
Precip.
100%
100%
Night
54°F
S 19 mph
Precip.
100%
100%
23.03
sun
sun
Day
57°F
S 19 mph
Precip.
50%
50%
Night
54°F
S 19 mph
Precip.
77%
77%
24.03
mon
mon
Day
57°F
S 19 mph
Precip.
62%
62%
Night
57°F
SE 19 mph
Precip.
88%
88%
Sea water temperature in March, °F
Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
53
55
57
59
61
63
65
67
The average sea water temperature in March of 2025 was 59.0°F. The highest and lowest sea temperatures during the month were 59.5°F and 58.5°F.
Sea water temperature in April, °F
Show year:
2024
2023
2022
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
53
55
57
59
61
63
65
67
The average sea water temperature in April of 2024 was 60.4°F. The highest and lowest sea temperatures during the month were 62.6°F and 58.5°F.
Air temperature in Cascais, °F
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
12
24
36
48
60
72
84
96
60.4
64.0
69.9
73.2
75.5
74.2
69.6
66.9
63.4
60.5
59.7
58.7
56.6
59.8
64.7
66.4
66.3
65.6
63.3
60.0
57.4
55.2
54.8
54.4
| Day temperature | Night temperature |
Precipitation total in Cascais, in.
jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.4
0.8
1.2
1.7
2.1
2.5
2.9
2.4
2.1
1.7
0.7
0.1
0.1
0.5
1.2
1.7
1.5
1.3
1.6
* Charts above show average data for the last 3 years.
Best time for vacation in Cascais
Cascais on a weather map
Leaflet | Tiles © Esri
Places in Portugal:
Name
°F
24 Hours Forecast
Cascais
Local time: 22:05
March 19, wednesday
0000
57°F
N
20 mph
20 mph
0300
57°F
N
25 mph
25 mph
0600
57°F
NW
29 mph
29 mph
0900
59°F
N
32 mph
32 mph
1200
59°F
N
32 mph
32 mph
1500
61°F
N
34 mph
34 mph
1800
57°F
NW
35 mph
35 mph
2100
57°F
NW
39 mph
39 mph
