World Resorts Portugal Porto Weather

Porto 7 Days Forecast

17.05
sun
Day
63°F
SE 7 mph
Precip.
79%
Night
55°F
SE 9 mph
Precip.
0%
18.05
mon
Day
61°F
E 7 mph
Precip.
0%
Night
59°F
N 2 mph
Precip.
0%
19.05
tue
Day
64°F
E 4 mph
Precip.
0%
Night
61°F
S 4 mph
Precip.
0%
20.05
wed
Day
75°F
SE 3 mph
Precip.
0%
Night
66°F
SE 2 mph
Precip.
0%
21.05
thu
Day
73°F
NE 6 mph
Precip.
0%
Night
70°F
SW 4 mph
Precip.
0%
22.05
fri
Day
81°F
E 4 mph
Precip.
0%
Night
72°F
SW 7 mph
Precip.
0%
23.05
sat
Day
81°F
NE 7 mph
Precip.
0%
Night
72°F
W 4 mph
Precip.
0%

Sea water temperature in May, °F

Show year:
2026
2025
2024

The average sea water temperature in May of 2026 was 61.5°F. The highest and lowest sea temperatures during the month were 63.1°F and 60.3°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

Sunniest months:
August 25 days
July 24 days
September 21 days
Warmest months:
August 77.9 °F
July 77.5 °F
September 75.5 °F
Warmest sea temp:
September 63.4 °F
August 62.9 °F
July 62.5 °F
Coldest months:
January 56.2 °F
February 57.5 °F
December 58.3 °F
Rainiest months:
November 9 days
December 8 days
October 8 days
Windiest months:
February 8.5 mph
March 8.4 mph
January 8.3 mph

Porto on a weather map

Porto
+55°F
SE 11 mph
Feels like: +52°F
Precip.: 0%
Places in Portugal:
Name
°F
+57°F
+61°F
+59°F
+59°F
+57°F
+57°F
+55°F
+59°F
+57°F
+55°F
+59°F
+55°F
+61°F
+57°F
24 Hours Forecast
Porto
Local time: 00:34
May 17, sunday
0300
54°F
S
7 mph
0600
52°F
SW
3 mph
0900
55°F
S
4 mph
1200
63°F
SE
7 mph
1500
63°F
SE
15 mph
1800
61°F
SE
16 mph
2100
57°F
SE
13 mph
May 18, monday
0000
55°F
SE
9 mph
Units of measurement: °C / °F