Live Weather & Forecast
Weather in Arraial do Cabo
Rio de Janeiro, Brazil · Real-time conditions & 3-day outlook
24°C
Feels like 26°C
76°F / Feels 79°F
Clear
Arraial do Cabo, Rio de Janeiro
🌙 Nighttime
Updated: 2026-04-21 18:15
Humidity
78%
Wind
16.9 km/h SSW
Wind Gust
27.7 km/h
Pressure
1016 mb
Visibility
10 km
UV Index
0
(Low)
Precipitation
0 mm
Cloud Cover
0%
Dew Point
19.2°C
Wind Degree
207°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
91.9 μg/m³
NO₂
3.5 μg/m³
O₃
66 μg/m³
SO₂
1.8 μg/m³
PM 2.5
8.7 μg/m³
PM 10
12.2 μg/m³
Today's Hourly Forecast
24-hour breakdown for Arraial do Cabo, Rio de Janeiro
12 AM
21°
Light rain shower
1 AM
21°
Patchy rain nearby
2 AM
21°
Patchy rain nearby
3 AM
21°
Patchy rain nearby
4 AM
20°
Patchy rain nearby
5 AM
20°
Partly Cloudy
6 AM
21°
Patchy rain nearby
7 AM
21°
Patchy rain nearby
8 AM
23°
Patchy rain nearby
9 AM
24°
Sunny
10 AM
24°
Sunny
11 AM
25°
Sunny
12 PM
25°
Patchy rain nearby
1 PM
25°
Patchy rain nearby
2 PM
25°
Sunny
3 PM
25°
Sunny
4 PM
24°
Sunny
5 PM
24°
Sunny
6 PM
24°
Clear
7 PM
23°
Clear
8 PM
22°
Patchy rain nearby
9 PM
22°
Patchy rain nearby
10 PM
22°
Patchy rain nearby
11 PM
22°
Patchy rain nearby
3-Day Forecast
Daily overview for Arraial do Cabo, Rio de Janeiro
Today
Patchy rain nearby
25°
/
20°
🌧️ 92% chance of rain
💧 Avg. humidity: 78%
💨 Max wind: 21.2 km/h
🌧️ Total precip: 1 mm
☀️ UV Index: 8.7
🌅 Sunrise: 06:04 AM
🌇 Sunset: 05:30 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Sunny
25°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 80%
💨 Max wind: 13.3 km/h
🌧️ Total precip: 0.04 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:04 AM
🌇 Sunset: 05:29 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Sunny
25°
/
20°
🌧️ 0% chance of rain
💧 Avg. humidity: 82%
💨 Max wind: 16.2 km/h
🌧️ Total precip: 0.07 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:04 AM
🌇 Sunset: 05:28 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Arraial do Cabo
Plan your trip to Arraial do Cabo, Brazil around the most favorable weather conditions.
Peak Season
November – April
Dry season — low humidity, clear skies, comfortable temperatures.
Shoulder Season
May, October
Fewer crowds, moderate prices, mild weather.
Off Season
June – September
Wet/monsoon season; heavier rainfall possible.
Frequently Asked Questions
What is the current weather in Arraial do Cabo?
Current conditions in Arraial do Cabo: Clear, temperature 24°C, humidity 78%.
What is the best time to visit Arraial do Cabo?
The best time to visit Arraial do Cabo is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Arraial do Cabo?
Arraial do Cabo is located at approximately -23° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Arraial do Cabo?
The wettest period in Arraial do Cabo is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Arraial do Cabo?
For visits to Arraial do Cabo during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Arraial do Cabo in?
Arraial do Cabo is located in Brazil, in the state of Rio de Janeiro.
What are the public holidays in Arraial do Cabo in 2026?
View the 2026 public holidays for Arraial do Cabo on our Holidays page.
What are the GPS coordinates used for the weather forecast in Arraial do Cabo?
The weather forecast for Arraial do Cabo uses coordinates -22.9663, -42.0244.
What is the current temperature outside in Arraial do Cabo?
The current outdoor temperature in Arraial do Cabo is 24°C (75°F) with clear.
What is the hourly weather forecast for Arraial do Cabo today?
Today's hour-by-hour weather breakdown for Arraial do Cabo is shown in the Hourly Forecast section above, including temperature, rain chance, and conditions for each hour of the day.
What is the weather in Arraial do Cabo tomorrow hour by hour?
Tomorrow's forecast for Arraial do Cabo shows a high of 25°C and a low of 20°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Arraial do Cabo?
There is a 92% chance of rain in Arraial do Cabo today. Check the hourly forecast above for a time-by-time breakdown of when rain is most likely.
Is it going to rain today in Arraial do Cabo?
Yes, there is a 92% chance of rain in Arraial do Cabo today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.