26.04
sun
sun
Day

77°F
E 7 mph
Precip.
65%
65%
Night

66°F
E 8 mph
Precip.
0%
0%
27.04
mon
mon
Day

63°F
E 14 mph
Precip.
0%
0%
Night

52°F
SE 4 mph
Precip.
0%
0%
28.04
tue
tue
Day

64°F
SE 1 mph
Precip.
0%
0%
Night

55°F
W 4 mph
Precip.
0%
0%
29.04
wed
wed
Day

68°F
E 2 mph
Precip.
0%
0%
Night

57°F
SE 5 mph
Precip.
0%
0%
30.04
thu
thu
Day

72°F
SE 2 mph
Precip.
0%
0%
Night

61°F
W 3 mph
Precip.
0%
0%
01.05
fri
fri
Day

66°F
SE 5 mph
Precip.
78%
78%
Night

64°F
SE 2 mph
Precip.
100%
100%
02.05
sat
sat
Day

68°F
SE 7 mph
Precip.
100%
100%
Night

61°F
N 11 mph
Precip.
100%
100%
03.05
sun
sun
Day

64°F
N 5 mph
Precip.
0%
0%
Night

54°F
NE 4 mph
Precip.
0%
0%
04.05
mon
mon
Day

61°F
E 14 mph
Precip.
0%
0%
Night

50°F
E 7 mph
Precip.
0%
0%
05.05
tue
tue
Day

59°F
E 9 mph
Precip.
0%
0%
Night

50°F
SE 4 mph
Precip.
0%
0%
06.05
wed
wed
Day

57°F
SE 3 mph
Precip.
0%
0%
Night

55°F
W 3 mph
Precip.
0%
0%
07.05
thu
thu
Day

68°F
W 8 mph
Precip.
0%
0%
Night

59°F
SW 6 mph
Precip.
0%
0%
08.05
fri
fri
Day

70°F
S 2 mph
Precip.
0%
0%
Night

61°F
W 4 mph
Precip.
0%
0%
09.05
sat
sat
Day

70°F
NW 3 mph
Precip.
0%
0%
Night

63°F
W 6 mph
Precip.
0%
0%
sea water
temperature
temperature
| Porto Alegre |
monthly
weather
weather
| Porto Alegre |
current
weather
weather
| Porto Alegre |
7 days
forecast
forecast
| Porto Alegre |
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 76.5°F. The highest and lowest sea temperatures during the month were 81.0°F and 73.2°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 68.0°F. The highest and lowest sea temperatures during the month were 71.2°F and 63.9°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: 23:16
April 27, monday
0000

66°F
E
8 mph
8 mph
0300

63°F
E
11 mph
11 mph
0600

57°F
E
11 mph
11 mph
0900

55°F
E
13 mph
13 mph
1200

63°F
E
14 mph
14 mph
1500

64°F
E
12 mph
12 mph
1800

59°F
E
7 mph
7 mph
2100

55°F
E
6 mph
6 mph



























