Live Weather & Forecast
Weather in Rio Negro
Mato Grosso do Sul, Brazil · Real-time conditions & 3-day outlook
30°C
Feels like 38°C
86°F / Feels 100°F
Partly cloudy
Rio Negro, Mato Grosso do Sul
🌞 Daytime
Updated: 2026-04-21 13:15
Humidity
75%
Wind
3.6 km/h ENE
Wind Gust
3.8 km/h
Pressure
1013 mb
Visibility
10 km
UV Index
9.5
(Very High)
Precipitation
0 mm
Cloud Cover
75%
Dew Point
23.9°C
Wind Degree
62°
Air Quality Index
US EPA: Good
UK DEFRA: Low (1)
CO
129.9 μg/m³
NO₂
1.8 μg/m³
O₃
41 μg/m³
SO₂
1 μg/m³
PM 2.5
5.3 μg/m³
PM 10
5.4 μg/m³
Today's Hourly Forecast
24-hour breakdown for Rio Negro, Mato Grosso do Sul
12 AM
21°
Fog
1 AM
21°
Fog
2 AM
21°
Fog
3 AM
21°
Fog
4 AM
21°
Partly Cloudy
5 AM
21°
Fog
6 AM
21°
Fog
7 AM
22°
Mist
8 AM
23°
Partly Cloudy
9 AM
24°
Partly Cloudy
10 AM
26°
Sunny
11 AM
26°
Patchy rain nearby
12 PM
27°
Patchy rain nearby
1 PM
30°
Partly cloudy
2 PM
28°
Patchy light rain in area with thunder
3 PM
28°
Patchy rain nearby
4 PM
27°
Patchy rain nearby
5 PM
26°
Sunny
6 PM
24°
Clear
7 PM
23°
Patchy rain nearby
8 PM
23°
Patchy rain nearby
9 PM
23°
Patchy rain nearby
10 PM
22°
Mist
11 PM
22°
Mist
3-Day Forecast
Daily overview for Rio Negro, Mato Grosso do Sul
Today
Moderate rain
28°
/
21°
🌧️ 88% chance of rain
💧 Avg. humidity: 90%
💨 Max wind: 4 km/h
🌧️ Total precip: 6.5 mm
☀️ UV Index: 9.5
🌅 Sunrise: 05:48 AM
🌇 Sunset: 05:38 PM
🌙 Waxing Crescent
🌑 Moon: 17% lit
Wed, Apr 22
Patchy rain nearby
30°
/
21°
🌧️ 87% chance of rain
💧 Avg. humidity: 88%
💨 Max wind: 7.6 km/h
🌧️ Total precip: 1.72 mm
☀️ UV Index: 12.1
🌅 Sunrise: 05:48 AM
🌇 Sunset: 05:38 PM
🌙 Waxing Crescent
🌑 Moon: 27% lit
Thu, Apr 23
Patchy rain nearby
30°
/
21°
🌧️ 81% chance of rain
💧 Avg. humidity: 87%
💨 Max wind: 6.8 km/h
🌧️ Total precip: 2.91 mm
☀️ UV Index: 11.9
🌅 Sunrise: 05:48 AM
🌇 Sunset: 05:37 PM
🌙 Waxing Crescent
🌑 Moon: 38% lit
Best Time to Visit Rio Negro
Plan your trip to Rio Negro, 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 Negro?
Current conditions in Rio Negro: Partly cloudy, temperature 30°C, humidity 75%.
What is the best time to visit Rio Negro?
The best time to visit Rio Negro is typically November – April. Dry season — low humidity, clear skies, comfortable temperatures.
What is the climate like in Rio Negro?
Rio Negro is located at approximately -10° latitude. It has a tropical or subtropical climate with wet and dry seasons.
Does it rain a lot in Rio Negro?
The wettest period in Rio Negro is typically during June – September. Wet/monsoon season; heavier rainfall possible.
What should I pack for a trip to Rio Negro?
For visits to Rio Negro during November – April: light clothing and sun protection. For June – September: layers and a waterproof jacket are recommended.
What country is Rio Negro in?
Rio Negro is located in Brazil, in the state of Mato Grosso do Sul.
What are the public holidays in Rio Negro in 2026?
View the 2026 public holidays for Rio Negro on our Holidays page.
What are the GPS coordinates used for the weather forecast in Rio Negro?
The weather forecast for Rio Negro uses coordinates -10, -55.
What is the current temperature outside in Rio Negro?
The current outdoor temperature in Rio Negro is 30°C (86°F) with partly cloudy.
What is the hourly weather forecast for Rio Negro today?
Today's hour-by-hour weather breakdown for Rio Negro 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 Negro tomorrow hour by hour?
Tomorrow's forecast for Rio Negro shows a high of 30°C and a low of 21°C. See the 3-Day Forecast section above for a full hourly breakdown.
What is the chance of rain today in Rio Negro?
There is a 88% chance of rain in Rio Negro 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 Rio Negro?
Yes, there is a 88% chance of rain in Rio Negro today — consider carrying an umbrella. Check the hourly forecast above for the most likely rain windows.