05.08
wed
wed
Day
68°F
SW 3 mph
Precip.
17%
17%
Night
64°F
S 4 mph
Precip.
15%
15%
06.08
thu
thu
Day
75°F
SE 7 mph
Precip.
5%
5%
Night
66°F
SE 16 mph
Precip.
21%
21%
07.08
fri
fri
Day
59°F
E 12 mph
Precip.
6%
6%
Night
50°F
S 1 mph
Precip.
7%
7%
08.08
sat
sat
Day
61°F
E 4 mph
Precip.
3%
3%
Night
52°F
E 5 mph
Precip.
11%
11%
09.08
sun
sun
Day
55°F
N 4 mph
Precip.
1%
1%
Night
50°F
NW 6 mph
Precip.
5%
5%
10.08
mon
mon
Day
57°F
NW 9 mph
Precip.
3%
3%
Night
50°F
N 6 mph
Precip.
16%
16%
11.08
tue
tue
Day
55°F
NW 9 mph
Precip.
17%
17%
Night
52°F
NW 7 mph
Precip.
9%
9%
sea water
temperature
temperature
| Porto Alegre |
monthly
weather
weather
| Porto Alegre |
current
weather
weather
| Porto Alegre |
14 days
forecast
forecast
| Porto Alegre |
Sea water temperature in August, °F
Show year:
2025
2024
2023
The average sea water temperature in August of 2025 was 59.7°F. The highest and lowest sea temperatures during the month were 62.2°F and 58.1°F.
Air temperature in Porto Alegre, °F
Precipitation total in Porto Alegre, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Porto Alegre
Porto Alegre on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Porto Alegre
Local time: 23:29
August 06, thursday
0000
64°F
S
4 mph
4 mph
0300
63°F
S
4 mph
4 mph
0600
63°F
S
4 mph
4 mph
0900
66°F
SE
5 mph
5 mph
1200
75°F
SE
7 mph
7 mph
1500
79°F
SE
8 mph
8 mph
1800
75°F
SW
6 mph
6 mph
2100
77°F
SE
20 mph
20 mph
