Measurements:
°C
°F
CURRENT WEATHER
21:57
Porto
68°F
SE 9 mph
Feels like: 68°F
Precip: 8%
World Resorts Portugal Porto Weather

7 Day Weather Forecast

08.05
wed
DAY
76°F
SE 9 mph
precip
4%
NIGHT
66°F
SE 3 mph
precip
11%
08.06
thu
DAY
78°F
SE 7 mph
precip
3%
NIGHT
68°F
SE 4 mph
precip
13%
08.07
fri
DAY
78°F
SE 8 mph
precip
4%
NIGHT
68°F
SE 4 mph
precip
13%
08.08
sat
DAY
78°F
SE 7 mph
precip
4%
NIGHT
70°F
S 3 mph
precip
18%
08.09
sun
DAY
76°F
SE 7 mph
precip
4%
NIGHT
68°F
SE 6 mph
precip
15%
08.10
mon
DAY
76°F
E 6 mph
precip
4%
NIGHT
68°F
S 4 mph
precip
12%
08.11
tue
DAY
76°F
SE 6 mph
precip
4%
NIGHT
68°F
S 4 mph
precip
10%

Porto Sea Water Temperature in August, °F

Select Year: 2025 2024 2023

The average sea surface temperature in August 2025 for Porto was 17.4°F. The maximum and minimum values were 15.0°F and 19.7°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 64.3 °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
more details