05.10
mon
mon
Day
70°F
NW 10 mph
Precip.
10%
10%
Night
61°F
W 10 mph
Precip.
17%
17%
06.10
tue
tue
Day
72°F
W 5 mph
Precip.
14%
14%
Night
63°F
W 4 mph
Precip.
31%
31%
07.10
wed
wed
Day
81°F
W 2 mph
Precip.
2%
2%
Night
68°F
W 6 mph
Precip.
29%
29%
08.10
thu
thu
Day
77°F
S 4 mph
Precip.
25%
25%
Night
68°F
NW 3 mph
Precip.
42%
42%
09.10
fri
fri
Day
77°F
SE 4 mph
Precip.
20%
20%
Night
70°F
W 1 mph
Precip.
38%
38%
10.10
sat
sat
Day
70°F
E 6 mph
Precip.
46%
46%
Night
64°F
E 2 mph
Precip.
34%
34%
11.10
sun
sun
Day
73°F
E 7 mph
Precip.
2%
2%
Night
63°F
NW 5 mph
Precip.
20%
20%
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 October, °F
Show year:
2025
2024
2023
The average sea water temperature in October of 2025 was 69.7°F. The highest and lowest sea temperatures during the month were 73.9°F and 65.3°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: 17:39
October 05, monday
1800
64°F
W
14 mph
14 mph
2100
61°F
W
12 mph
12 mph
October 06, tuesday
0000
61°F
W
10 mph
10 mph
0300
59°F
W
11 mph
11 mph
0600
59°F
W
7 mph
7 mph
0900
63°F
W
6 mph
6 mph
1200
72°F
W
5 mph
5 mph
1500
75°F
NW
5 mph
5 mph
