World Resorts Brazil Porto Alegre Weather

Porto Alegre 14 Days Forecast

05.10
mon
Day
70°F
NW 10 mph
Precip.
10%
Night
61°F
W 10 mph
Precip.
17%
06.10
tue
Day
72°F
W 5 mph
Precip.
14%
Night
63°F
W 4 mph
Precip.
31%
07.10
wed
Day
81°F
W 2 mph
Precip.
2%
Night
68°F
W 6 mph
Precip.
29%
08.10
thu
Day
77°F
S 4 mph
Precip.
25%
Night
68°F
NW 3 mph
Precip.
42%
09.10
fri
Day
77°F
SE 4 mph
Precip.
20%
Night
70°F
W 1 mph
Precip.
38%
10.10
sat
Day
70°F
E 6 mph
Precip.
46%
Night
64°F
E 2 mph
Precip.
34%
11.10
sun
Day
73°F
E 7 mph
Precip.
2%
Night
63°F
NW 5 mph
Precip.
20%
12.10
mon
Day
68°F
NW 5 mph
Precip.
14%
Night
63°F
NW 6 mph
Precip.
21%
13.10
tue
Day
73°F
NW 9 mph
Precip.
12%
Night
63°F
W 12 mph
Precip.
17%
14.10
wed
Day
66°F
W 12 mph
Precip.
16%
Night
61°F
W 12 mph
Precip.
38%
15.10
thu
Day
61°F
W 10 mph
Precip.
32%
Night
63°F
W 4 mph
Precip.
39%
16.10
fri
Day
68°F
SE 4 mph
Precip.
25%
Night
64°F
SE 4 mph
Precip.
29%
17.10
sat
Day
72°F
E 8 mph
Precip.
4%
Night
61°F
E 4 mph
Precip.
14%
18.10
sun
Day
72°F
SE 7 mph
Precip.
18%
Night
64°F
SE 5 mph
Precip.
47%

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

Sunniest months:
February 15 days
March 15 days
May 15 days
Warmest months:
January 86.7 °F
February 86.6 °F
March 84.2 °F
Warmest sea temp:
February 81.1 °F
January 80.6 °F
March 79.8 °F
Coldest months:
June 64.1 °F
July 64.7 °F
August 67.2 °F
Rainiest months:
September 5 days
November 4 days
October 4 days
Windiest months:
December 7.3 mph
November 7.3 mph
January 7.2 mph

Porto Alegre on a weather map

Current weather
17:39
Porto Alegre
+64°F
W 14 mph
Feels like: +64°F
Precip.: 15%
Places in Brazil:
Name
°F
Balneario Camboriu
+59°F
Barra da Tijuca
+72°F
Buzios
+72°F
Duque de Caxias
+73°F
Joao Pessoa
+79°F
Recife
+77°F
Rio de Janeiro
+72°F
Salvador
+79°F
Sao Jose de Ribamar
+81°F
Sao Paulo
+66°F
Sao Sebastiao
+68°F
Santos
+70°F
Florianopolis
+63°F
Fortaleza
+81°F
Xangri-la
+63°F
all places
24 Hours Forecast
Porto Alegre
Local time: 17:39
October 05, monday
1800
64°F
W
14 mph
2100
61°F
W
12 mph
October 06, tuesday
0000
61°F
W
10 mph
0300
59°F
W
11 mph
0600
59°F
W
7 mph
0900
63°F
W
6 mph
1200
72°F
W
5 mph
1500
75°F
NW
5 mph
Units of measurement: °C / °F