Measurements:
°C
°F
CURRENT WEATHER
11:00
Porto Alegre
88°F
N 9 mph
Feels like: 92°F
Precip: 100%
World Resorts Brazil Porto Alegre Weather

7 Day Weather Forecast

03.30
mon
DAY
88°F
N 9 mph
precip
100%
NIGHT
76°F
W 7 mph
precip
78%
03.31
tue
DAY
88°F
W 11 mph
precip
0%
NIGHT
74°F
W 4 mph
precip
0%
04.01
wed
DAY
90°F
SW 2 mph
precip
0%
NIGHT
76°F
W 2 mph
precip
0%
04.02
thu
DAY
92°F
SE 6 mph
precip
0%
NIGHT
76°F
S 2 mph
precip
0%
04.03
fri
DAY
90°F
E 4 mph
precip
0%
NIGHT
76°F
NW 4 mph
precip
0%
04.04
sat
DAY
88°F
N 5 mph
precip
0%
NIGHT
72°F
NW 6 mph
precip
100%
04.05
sun
DAY
72°F
NW 6 mph
precip
100%
NIGHT
70°F
NW 6 mph
precip
85%

Porto Alegre Sea Water Temperature in March, °F

Select Year: 2026 2025 2024

The average sea surface temperature in March 2026 for Porto Alegre was 26.1°F. The maximum and minimum values were 25.4°F and 27.6°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:
July 66.1 °F
June 66.2 °F
August 69.5 °F
The most rainy months:
September 5 days
May 5 days
November 4 days
The most windy months:
December 7 mph
November 7 mph
January 7 mph
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