26.08
wed
wed
Day

61°F
SW 14 mph
Precip.
13%
13%
Night

59°F
SW 14 mph
Precip.
17%
17%
27.08
thu
thu
Day

64°F
SW 19 mph
Precip.
26%
26%
Night

61°F
S 9 mph
Precip.
80%
80%
28.08
fri
fri
Day

61°F
NE 6 mph
Precip.
48%
48%
Night

57°F
N 19 mph
Precip.
45%
45%
29.08
sat
sat
Day

59°F
N 16 mph
Precip.
29%
29%
Night

57°F
NW 11 mph
Precip.
29%
29%
30.08
sun
sun
Day

61°F
NW 15 mph
Precip.
26%
26%
Night

59°F
W 15 mph
Precip.
40%
40%
31.08
mon
mon
Day

59°F
NW 13 mph
Precip.
43%
43%
Night

57°F
NE 13 mph
Precip.
33%
33%
01.09
tue
tue
Day

59°F
NE 12 mph
Precip.
8%
8%
Night

54°F
N 14 mph
Precip.
16%
16%
02.09
wed
wed
Day

54°F
NE 14 mph
Precip.
4%
4%
Night

52°F
W 11 mph
Precip.
17%
17%
03.09
thu
thu
Day

59°F
SW 9 mph
Precip.
10%
10%
Night

55°F
S 6 mph
Precip.
17%
17%
04.09
fri
fri
Day

61°F
E 4 mph
Precip.
16%
16%
Night

54°F
NW 11 mph
Precip.
26%
26%
05.09
sat
sat
Day

59°F
W 12 mph
Precip.
20%
20%
Night

59°F
W 19 mph
Precip.
20%
20%
06.09
sun
sun
Day

63°F
SW 22 mph
Precip.
25%
25%
Night

61°F
SW 8 mph
Precip.
41%
41%
07.09
mon
mon
Day

63°F
NE 10 mph
Precip.
24%
24%
Night

57°F
NW 7 mph
Precip.
31%
31%
08.09
tue
tue
Day

61°F
W 12 mph
Precip.
20%
20%
Night

59°F
NW 8 mph
Precip.
78%
78%
sea water
temperature
temperature
| Rio Grande |
monthly
weather
weather
| Rio Grande |
current
weather
weather
| Rio Grande |
7 days
forecast
forecast
| Rio Grande |
Sea water temperature in August, °F
Show year:
2026
2025
2024
The average sea water temperature in August of 2026 was 58.8°F. The highest and lowest sea temperatures during the month were 63.5°F and 53.6°F.
Sea water temperature in September, °F
Show year:
2025
2024
2023
The average sea water temperature in September of 2025 was 62.7°F. The highest and lowest sea temperatures during the month were 67.1°F and 59.2°F.
Air temperature in Rio Grande, °F
Precipitation total in Rio Grande, in.
* Charts above show average data for the last 3 years.
Best time for vacation in Rio Grande
Rio Grande on a weather map
Places in Brazil:
Name
°F
24 Hours Forecast
Rio Grande
Local time: 01:14
August 26, wednesday
0300

54°F
SW
12 mph
12 mph
0600

54°F
SW
11 mph
11 mph
0900

57°F
W
14 mph
14 mph
1200

61°F
SW
14 mph
14 mph
1500

63°F
SW
16 mph
16 mph
1800

61°F
SW
11 mph
11 mph
2100

59°F
SW
15 mph
15 mph
August 27, thursday
0000

59°F
SW
14 mph
14 mph


























