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%
sea water
temperature
temperature
| Rio Grande |
monthly
weather
weather
| Rio Grande |
current
weather
weather
| Rio Grande |
14 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: 01:48
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
