Rio das Ostras Weather Forecast
Current Conditions & 10-Day Outlook
Current Weather Conditions in Rio das Ostras
Rio das Ostras
Rio de Janeiro, Brazil
Partly cloudyHourly Rio das Ostras Weather Forecast
21°20°
20°20°19°
19°19°19°19°19°18°20°22°24°25°26°25°25°25°
24°22°21°20°20°Very gentle wind.
Low chance of precipitation.
Rio das Ostras 10-Day Weather Outlook
Today's Weather in Rio das Ostras, Rio de Janeiro, Brazil
Wed, Jun 24
Thu, Jun 25
Fri, Jun 26
Sat, Jun 27
Sun, Jun 28
Mon, Jun 29
Tue, Jun 30
Wed, Jul 01
Thu, Jul 02
Feels like
Feels warmer than actual temperature.
Pressure
Expect clear and stable weather.
Humidity
High humidity.
UV
Take precautions.
Gusts
Max speed of wind gusts today.
Cloud Cover
Overcast, expect cloudy conditions.
Daylight
Balanced day and night.
Rain
No rain, dry conditions expected.
Snowfall
No snowfall expected.
Current Air Quality in Rio das Ostras
Get the app for the world’s most accurate hi-res weather forecasts.
4.8
1M+ USERS / 30K RATINGS
About Rio das Ostras Weather
General
This page provides the current weather forecast for Rio das Ostras, Rio de Janeiro, Brazil, including hourly conditions, a 10-day outlook, wind speed and direction, precipitation, UV index, and air quality - giving you everything you need to plan your day in one view.
Forecast & Methodology
The forecast data on this page is sourced from the ECMWF open-source model - a reliable global model used widely across weather services worldwide. For sailors, boaters, and mariners who need greater accuracy and higher resolution, PredictWind's proprietary forecast models deliver precision down to 1km resolution, updated multiple times daily and validated against real-world observations. Sign up free to access PredictWind's advanced forecasts.
Sailing & Marine Conditions
Rio das Ostras weather forecasts on PredictWind are optimised for sailors and boaters who need precise, reliable wind and wave data for passage planning and day sailing. PredictWind is used by ocean racers, cruising sailors, and commercial vessel operators across Brazil and worldwide. For detailed marine conditions including wave height, swell period, and offshore wind forecasts, see the Rio das Ostras marine forecast.
Units
Wind speed is displayed in knots - the standard unit used by sailors, weather services, and maritime authorities. Temperature is shown in degrees Celsius. Use the toggle at the top of the page to switch between Celsius and Fahrenheit. Pressure is shown in hPa, rainfall in millimetres, and air quality is available in both US and EU AQI standards.