17.03
tue
tue
Day
66°F
N 5 mph
Precip.
0%
0%
Night
57°F
NW 8 mph
Precip.
72%
72%
18.03
wed
wed
Day
63°F
N 12 mph
Precip.
100%
100%
Night
57°F
W 11 mph
Precip.
0%
0%
19.03
thu
thu
Day
59°F
NW 19 mph
Precip.
100%
100%
Night
52°F
SW 6 mph
Precip.
0%
0%
20.03
fri
fri
Day
61°F
N 15 mph
Precip.
0%
0%
Night
54°F
W 4 mph
Precip.
0%
0%
21.03
sat
sat
Day
63°F
N 2 mph
Precip.
60%
60%
Night
55°F
NW 5 mph
Precip.
0%
0%
22.03
sun
sun
Day
54°F
W 4 mph
Precip.
100%
100%
Night
54°F
S 2 mph
Precip.
100%
100%
23.03
mon
mon
Day
59°F
E 3 mph
Precip.
100%
100%
Night
52°F
S 3 mph
Precip.
0%
0%
24.03
tue
tue
Day
59°F
SE 5 mph
Precip.
0%
0%
Night
54°F
SW 3 mph
Precip.
0%
0%
25.03
wed
wed
Day
61°F
SE 8 mph
Precip.
0%
0%
Night
55°F
S 6 mph
Precip.
0%
0%
26.03
thu
thu
Day
64°F
SE 6 mph
Precip.
0%
0%
Night
57°F
S 2 mph
Precip.
0%
0%
27.03
fri
fri
Day
64°F
SE 9 mph
Precip.
0%
0%
Night
57°F
S 7 mph
Precip.
0%
0%
28.03
sat
sat
Day
68°F
S 4 mph
Precip.
0%
0%
Night
57°F
SW 2 mph
Precip.
0%
0%
29.03
sun
sun
Day
59°F
SE 13 mph
Precip.
0%
0%
Night
50°F
SE 17 mph
Precip.
21%
21%
30.03
mon
mon
Day
50°F
SE 22 mph
Precip.
100%
100%
Night
48°F
SE 21 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 55.1°F. The highest and lowest sea temperatures during the month were 55.8°F and 54.1°F.
Air temperature in Porto, °F
Precipitation total in Porto, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Porto
Porto on a weather map
Places in Portugal:
Name
°F
24 Hours Forecast
Porto
Local time: 09:01
March 17, tuesday
1200
66°F
N
5 mph
5 mph
1500
66°F
NE
8 mph
8 mph
1800
59°F
NE
4 mph
4 mph
2100
57°F
N
9 mph
9 mph
March 18, wednesday
0000
57°F
NW
8 mph
8 mph
0300
55°F
NW
7 mph
7 mph
0600
55°F
NW
11 mph
11 mph
0900
55°F
NW
9 mph
9 mph
