17.03
tue
tue
Day
75°F
SW 6 mph
Precip.
100%
100%
Night
73°F
SW 10 mph
Precip.
100%
100%
18.03
wed
wed
Day
75°F
NE 7 mph
Precip.
0%
0%
Night
73°F
W 12 mph
Precip.
100%
100%
19.03
thu
thu
Day
77°F
W 14 mph
Precip.
72%
72%
Night
72°F
W 15 mph
Precip.
0%
0%
20.03
fri
fri
Day
77°F
SW 16 mph
Precip.
0%
0%
Night
72°F
SW 17 mph
Precip.
0%
0%
21.03
sat
sat
Day
77°F
SW 17 mph
Precip.
0%
0%
Night
72°F
SW 11 mph
Precip.
100%
100%
22.03
sun
sun
Day
79°F
W 7 mph
Precip.
0%
0%
Night
72°F
SW 13 mph
Precip.
0%
0%
23.03
mon
mon
Day
79°F
SW 14 mph
Precip.
0%
0%
Night
73°F
SW 14 mph
Precip.
0%
0%
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 March, °F
Show year:
2026
2025
2024
The average sea water temperature in March of 2026 was 75.6°F. The highest and lowest sea temperatures during the month were 77.4°F and 73.9°F.
Sea water temperature in April, °F
Show year:
2025
2024
2023
The average sea water temperature in April of 2025 was 71.4°F. The highest and lowest sea temperatures during the month were 77.0°F and 67.6°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: 22:08
March 18, wednesday
0000
73°F
SW
10 mph
10 mph
0300
73°F
SW
6 mph
6 mph
0600
73°F
SE
2 mph
2 mph
0900
73°F
NE
4 mph
4 mph
1200
75°F
NE
7 mph
7 mph
1500
77°F
N
14 mph
14 mph
1800
75°F
N
11 mph
11 mph
2100
73°F
NW
6 mph
6 mph
