Live Weather & Forecast
Weather in Rio Das Ostras
Rio de Janeiro, Brazil · Real-time conditions & 3-day outlook
22°C
Feels like 25°C
72°F / Feels 76°F
Partly cloudy
Rio Das Ostras, Rio de Janeiro
🌞 Daytime
Updated: 2026-04-21 09:00
Humidity
78%
Wind
5.8 km/h WSW
Wind Gust
7.1 km/h
Pressure
1017 mb
Visibility
10 km
UV Index
3.9
(Moderate)
Precipitation
0 mm
Cloud Cover
50%
Dew Point
16°C
Wind Degree
253°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
90.9 μg/m³
NO₂
2 μg/m³
O₃
88 μg/m³
SO₂
2.3 μg/m³
PM 2.5
9.9 μg/m³
PM 10
13.5 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rio Das Ostras, Rio de Janeiro
12 AM
19°
Clear
1 AM
19°
Clear
2 AM
19°
Clear
3 AM
19°
Clear
4 AM
19°
Clear
5 AM
19°
Clear
6 AM
19°
Clear
7 AM
19°
Sunny
8 AM
21°
Sunny
9 AM
22°
Partly cloudy
10 AM
24°
Sunny
11 AM
25°
Sunny
12 PM
26°
Sunny
1 PM
26°
Sunny
2 PM
25°
Sunny
3 PM
25°
Sunny
4 PM
24°
Sunny
5 PM
23°
Patchy rain nearby
6 PM
22°
Clear
7 PM
21°
Clear
8 PM
21°
Clear
9 PM
20°
Clear
10 PM
20°
Clear
11 PM
20°
Clear
3-Day Forecast
Daily overview for Rio Das Ostras, Rio de Janeiro
Today
Sunny
26°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 75%
💨 Max wind: 17.3 km/h
🌧️ Total precip: 0.02 mm
☀️ UV Index: 8.9
🌅 Sunrise: 06:02 AM
🌇 Sunset: 05:30 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Sunny
25°
/
18°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 10.8 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 8.8
🌅 Sunrise: 06:02 AM
🌇 Sunset: 05:29 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Sunny
26°
/
19°
🌧️ 0% chance of rain
💧 Avg. humidity: 81%
💨 Max wind: 11.5 km/h
🌧️ Total precip: 0.01 mm
☀️ UV Index: 9.1
🌅 Sunrise: 06:03 AM
🌇 Sunset: 05:28 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Rio Das Ostras
Plan your trip to Rio Das Ostras, 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 Rio Das Ostras?
Current conditions in Rio Das Ostras: Partly cloudy, temperature 22°C, humidity 78%.
What is the best time to visit Rio Das Ostras?
The best time to visit Rio Das Ostras is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Rio Das Ostras?
Rio Das Ostras is located at approximately -22.5° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Rio Das Ostras?
The wettest period in Rio Das Ostras is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Rio Das Ostras?
For visits to Rio Das Ostras during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Rio Das Ostras in?
Rio Das Ostras is located in Brazil, in the state of Rio de Janeiro.
What are the public holidays in Rio Das Ostras in 2026?
View the 2026 public holidays for Rio Das Ostras on our Holidays page.
What are the GPS coordinates used for the weather forecast in Rio Das Ostras?
The weather forecast for Rio Das Ostras uses coordinates -22.5269, -41.945.
What is the current temperature outside in Rio Das Ostras?
The current outdoor temperature in Rio Das Ostras is 22°C (72°F) with partly cloudy.
What is the hourly weather forecast for Rio Das Ostras today?
Today's hour-by-hour weather breakdown for Rio Das Ostras 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 Rio Das Ostras tomorrow hour by hour?
Tomorrow's forecast for Rio Das Ostras shows a high of 25°C and a low of 18°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Rio Das Ostras?
Rain is not expected in Rio Das Ostras today. Current forecast shows no significant rain probability.
Is it going to rain today in Rio Das Ostras?
No, rain is not forecast for Rio Das Ostras today. Current conditions show clear to partly cloudy skies.