Arraial do Cabo Weather Forecast

Current Conditions & 10-Day Outlook

Current Weather Conditions in Arraial do Cabo

Arraial do Cabo

Rio de Janeiro, Brazil

weather iconMainly clear
22°
Low 20°
High 23°

Hourly Arraial do Cabo Weather Forecast

12 AMweather icon22°
1 AMweather icon22°
2 AMweather icon21°
3 AMweather icon21°
4 AMweather icon20°
5 AMweather icon21°
6 AMweather icon21°
7 AMweather icon20°
8 AMweather icon20°
9 AMweather icon20°
10 AMweather icon20°
11 AMweather icon21°
12 PMweather icon21°
1 PMweather icon22°
2 PMweather icon22°
3 PMweather icon22°
4 PMweather icon22°
5 PMweather icon22°
6 PMweather icon22°
7 PMweather icon22°
8 PMweather icon23°
9 PMweather icon23°
10 PMweather icon23°
11 PMweather icon22°
Wind
9kt SE

Gentle wind.

9kt
NESW
Precipitation
86%

Very high chance of precipitation.

Arraial do Cabo 10-Day Weather Outlook

Today's Weather in Arraial do Cabo, Rio de Janeiro, Brazil

Thu, Jun 04

Showers svg
20°
23°

Fri, Jun 05

Showers svg
21°
23°

Sat, Jun 06

Showers svg
19°
21°

Sun, Jun 07

Showers svg
16°
22°

Mon, Jun 08

Showers svg
18°
22°

Tue, Jun 09

Showers svg
21°
25°

Wed, Jun 10

Showers svg
22°
25°

Thu, Jun 11

Showers svg
23°
23°

Fri, Jun 12

Showers svg
23°
26°

Feels like

22°

Feels cooler than actual temperature.

Pressure

1026 hPa

Expect clear and stable weather.

Humidity

66%

High humidity.

UV

5 - Moderate

Take precautions.

Gusts

14kt

Max speed of wind gusts today.

Cloud Cover

20%

Partly cloudy, some clouds expected.

Daylight

10h 47m

Balanced day and night.

Rain

3.2mm

No rain, dry conditions expected.

Snowfall

0.0mm

No snowfall expected.

Current Air Quality in Arraial do Cabo

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About Arraial do Cabo Weather

General

This page provides the current weather forecast for Arraial do Cabo, 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

Arraial do Cabo 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 Arraial do Cabo 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.