Measurements:
°C
°F
Porto
64°F
N 5 mph
Feels like: 64°F
Precip: 25%
World Resorts Portugal Porto Weather

7 Day Weather Forecast

08.26
wed
DAY
68°F
N 15 mph
precip
60%
NIGHT
62°F
NW 4 mph
precip
34%
08.27
thu
DAY
62°F
NE 11 mph
precip
68%
NIGHT
64°F
N 9 mph
precip
28%
08.28
fri
DAY
74°F
SE 4 mph
precip
3%
NIGHT
62°F
S 2 mph
precip
12%
08.29
sat
DAY
76°F
SE 4 mph
precip
1%
NIGHT
64°F
NE 1 mph
precip
12%
08.30
sun
DAY
80°F
E 9 mph
precip
5%
NIGHT
66°F
SE 2 mph
precip
14%
08.31
mon
DAY
80°F
SE 6 mph
precip
1%
NIGHT
64°F
N 2 mph
precip
16%
09.01
tue
DAY
74°F
E 7 mph
precip
13%
NIGHT
62°F
SE 1 mph
precip
17%

Porto Sea Water Temperature in August, °F

Select Year: 2026 2025 2024

The average sea surface temperature in August 2026 for Porto was 19.3°F. The maximum and minimum values were 17.2°F and 20.7°F respectively.

Porto on the Weather Map

Best Time to Visit Porto
The most sunny months:
August 25 days
July 24 days
September 21 days
The most warm months:
August 81.0 °F
July 80.4 °F
September 78.3 °F
Warmest sea temperature:
September 64.8 °F
August 64.6 °F
July 64.2 °F
The most cold months:
January 56.9 °F
February 58.3 °F
December 59.3 °F
The most rainy months:
November 9 days
December 8 days
October 8 days
The most windy months:
February 8 mph
March 8 mph
January 8 mph