Support Time.now: Join our Premium Plan for an ad-free experience! Support Us: Go Premium Ad-Free!

Weather in Rio Negro, Brazil 🇧🇷

Weather Forecast in Rio Negro

Current Weather in Rio Negro

Sunny
21°C
Feels like 15°C. Sunny.
🌬️ 14 km/h NNW
💧 51% Humidity
🧭 1015 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 5.8
🌡️ Dew Point: 11°C
🌅 Sunrise: 07:04 AM
🌇 Sunset: 05:46 PM
Map Overlays:

In Rio Negro right now it is 21°C and sunny, feeling like 15°C. Humidity is 51% with winds around 14 km/h, and the UV index is 6 (high). Over the next few days, temperatures in Rio Negro range from about 11°C to 25°C.

Hourly Forecast for Rio Negro

14:00
Sunny
22°
2%
15:00
Sunny
22°
3%
16:00
Sunny
20°
3%
17:00
Sunny
18°
4%
18:00
Clear
16°
7%
19:00
Clear
15°
9%
20:00
Clear
14°
11%
21:00
Clear
13°
12%
22:00
Clear
12°
12%
23:00
Clear
12°
12%
00:00
Clear
12°
11%
01:00
Clear
12°
11%
02:00
Clear
12°
10%
03:00
Clear
12°
9%
04:00
Clear
11°
8%
05:00
Clear
11°
8%
06:00
Clear
11°
7%
07:00
Clear
11°
7%
08:00
Sunny
12°
6%
09:00
Sunny
16°
4%
10:00
Sunny
19°
3%
11:00
Sunny
21°
2%
12:00
Sunny
23°
1%
13:00
Sunny
24°
1%

14-Day Forecast for Rio Negro

Sat, Jul 18
Sunny Sunny
22° / 11°
Sun, Jul 19
Sunny Sunny
24° / 11°
Mon, Jul 20
Sunny Sunny
25° / 12°
Tue, Jul 21
Sunny Sunny
25° / 14°
Wed, Jul 22
Sunny Sunny
17° / 14°
Thu, Jul 23
Fog Fog
15° / 11°
Fri, Jul 24
Mist Mist
14° / 10°
Sat, Jul 25
Fog Fog
14° / 12°
Sun, Jul 26
Fog Fog
17° /
Mon, Jul 27
Sunny Sunny
20° /
Tue, Jul 28
Sunny Sunny
23° /
Wed, Jul 29
Sunny Sunny
16° / 11°
Thu, Jul 30
Patchy rain nearby Patchy rain nearby
14° / 11°
Fri, Jul 31
Cloudy Cloudy
16° / 10°

Additional Forecasts for Rio Negro

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 117.0 μg/m³
O₃ (Ozone) 79.0 μg/m³
NO₂ (Nitrogen Dioxide) 0.9 μg/m³
SO₂ (Sulphur Dioxide) 0.7 μg/m³
PM2.5 (Fine particles) 6.1 μg/m³
PM10 (Coarse particles) 7.5 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Brazil

Browse Weather in Brazil by cities in alphabetical order:

A B C D F G I J L M N O P R S T U V

Weather in Brazil ›

Best Time to Be Outside in Rio Negro Today

The most comfortable window in Rio Negro today looks like 14:00 to 16:00, when it is around 21°C. It should stay dry through that window. No significant rain is expected in the next several hours.

Frequently Asked Questions about Weather in Rio Negro

What is the temperature in Rio Negro right now?

The current temperature in Rio Negro is 21°C (70°F), sunny (feels like 15°C).

What's the weather like in Rio Negro right now?

Conditions in Rio Negro right now: Sunny, humidity 51%, wind 14 km/h NNW.

What is today's forecast for Rio Negro?

Today in Rio Negro: high 22°C, low 11°C, sunny. Chance of rain: 6%.

What is the 7-day weather forecast for Rio Negro?

Daily highs and lows for Rio Negro:

  • 2026-07-18: 22°C / 11°C
  • 2026-07-19: 24°C / 11°C
  • 2026-07-20: 25°C / 12°C
  • 2026-07-21: 25°C / 14°C
  • 2026-07-22: 17°C / 14°C
  • 2026-07-23: 15°C / 11°C
  • 2026-07-24: 14°C / 10°C
Is it going to rain in Rio Negro today?

There is a 6% chance of rain in Rio Negro today.

What is the wind speed in Rio Negro right now?

Wind in Rio Negro is currently 14 km/h (9 mph) from the NNW.

What is the UV index in Rio Negro right now?

The UV index in Rio Negro is currently 5.8 (moderate). Sun protection is recommended when the index is 3 or higher.

Weather forecasts for other major cities in 🇧🇷 Brazil: São Paulo · Rio de Janeiro · Brasilia · Belo Horizonte · Salvador · Fortaleza · Manaus · Curitiba · Recife · Goiânia · Belém · Porto Alegre · Guarulhos · Maceió · Campinas · São Luís · Campo Grande · Natal · Teresina · Nova Iguaçu · Duque de Caxias · João Pessoa · São Bernardo do Campo · São José dos Campos · Ribeirão Preto · Jaboatão · Sorocaba · Osasco · Aracaju · Santo André · Jaboatão dos Guararapes · Contagem · Feira de Santana · Cuiabá · Londrina · Juiz de Fora · Uberlândia · Porto Velho · Macapá · Campos dos Goytacazes · Aparecida de Goiânia · Florianópolis · Mauá · Belford Roxo · Joinville · Niterói · São João de Meriti · Ananindeua · Santos · Boa Vista