World Resorts

Brazil

Porto Alegre Weather

Porto Alegre 14 Days Forecast

26.08
wed

Day

70°F

SW 3 mph

Precip.
13%

Night

64°F

SW 3 mph

Precip.
12%

27.08
thu

Day

82°F

S 6 mph

Precip.
2%

Night

73°F

E 2 mph

Precip.
17%

28.08
fri

Day

72°F

NW 5 mph

Precip.
44%

Night

64°F

N 7 mph

Precip.
80%

29.08
sat

Day

64°F

N 5 mph

Precip.
78%

Night

64°F

N 6 mph

Precip.
80%

30.08
sun

Day

64°F

N 7 mph

Precip.
77%

Night

63°F

N 6 mph

Precip.
44%

31.08
mon

Day

63°F

N 9 mph

Precip.
43%

Night

57°F

N 6 mph

Precip.
38%

01.09
tue

Day

66°F

NW 6 mph

Precip.
2%

Night

55°F

W 8 mph

Precip.
8%

02.09
wed

Day

70°F

S 6 mph

Precip.
2%

Night

63°F

NE 2 mph

Precip.
21%

03.09
thu

Day

68°F

N 6 mph

Precip.
4%

Night

59°F

W 4 mph

Precip.
12%

04.09
fri

Day

75°F

S 5 mph

Precip.
1%

Night

66°F

S 4 mph

Precip.
7%

05.09
sat

Day

70°F

S 6 mph

Precip.
62%

Night

57°F

N 18 mph

Precip.
56%

06.09
sun

Day

55°F

N 11 mph

Precip.
42%

Night

57°F

NW 9 mph

Precip.
19%

07.09
mon

Day

61°F

W 11 mph

Precip.
16%

Night

57°F

W 7 mph

Precip.
24%

08.09
tue

Day

61°F

W 6 mph

Precip.
25%

Night

59°F

W 14 mph

Precip.
29%

sea water
temperature

Porto Alegre

monthly
weather

Porto Alegre

current
weather

Porto Alegre

7 days
forecast

Porto Alegre

January
February
March
April

May
June
July
August

September
October
November
December

Show year:

2026

2025

2024

The average sea water temperature in August of 2026 was 62.8°F. The highest and lowest sea temperatures during the month were 66.0°F and 59.7°F.

Show year:

2025

2024

2023

The average sea water temperature in September of 2025 was 64.3°F. The highest and lowest sea temperatures during the month were 65.8°F and 62.4°F.