Measurements:
°C
°F
CURRENT WEATHER
01:14
Porto Alegre
54°F
E 3 mph
Feels like: 54°F
Precip: 14%
World Resorts Brazil Porto Alegre Weather

7 Day Weather Forecast

10.19
mon
DAY
68°F
N 5 mph
precip
8%
NIGHT
56°F
W 5 mph
precip
11%
10.20
tue
DAY
72°F
NW 7 mph
precip
1%
NIGHT
60°F
W 10 mph
precip
16%
10.21
wed
DAY
76°F
W 8 mph
precip
12%
NIGHT
64°F
W 7 mph
precip
14%
10.22
thu
DAY
82°F
W 2 mph
precip
12%
NIGHT
70°F
W 4 mph
precip
28%
10.23
fri
DAY
68°F
SW 4 mph
precip
44%
NIGHT
70°F
SW 3 mph
precip
39%
10.24
sat
DAY
70°F
NW 2 mph
precip
95%
NIGHT
68°F
W 6 mph
precip
43%
10.25
sun
DAY
66°F
W 5 mph
precip
85%
NIGHT
64°F
E 6 mph
precip
39%

Porto Alegre Sea Water Temperature in October, °F

Select Year: 2026 2025 2024

The average sea surface temperature in October 2026 for Porto Alegre was 19.0°F. The maximum and minimum values were 18.2°F and 19.5°F respectively.

Porto Alegre on the Weather Map

Best Time to Visit Porto Alegre
The most sunny months:
February 15 days
March 15 days
May 15 days
The most warm months:
January 90.7 °F
February 90.6 °F
March 88.0 °F
Warmest sea temperature:
February 84.6 °F
January 84.0 °F
March 83.2 °F
The most cold months:
June 65.7 °F
July 66.3 °F
August 69.1 °F
The most rainy months:
September 5 days
November 4 days
October 4 days
The most windy months:
December 7 mph
November 7 mph
January 7 mph
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