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Weather in Rio das Ostras, Brazil 🇧🇷

Weather Forecast in Rio das Ostras

Current Weather in Rio das Ostras

Sunny
28°C
Feels like 29°C. Sunny.
🌬️ 19 km/h NNE
💧 45% Humidity
🧭 1020 hPa
👁️ 10.0 km Visibility
☀️ UV Index: 6.3
🌡️ Dew Point: 14°C
🌅 Sunrise: 06:26 AM
🌇 Sunset: 05:21 PM
Map Overlays:

In Rio das Ostras right now it is 28°C and sunny, feeling like 29°C. Humidity is 45% with winds around 19 km/h, and the UV index is 6 (high). Over the next few days, temperatures in Rio das Ostras range from about 16°C to 28°C.

Hourly Forecast for Rio das Ostras

13:00
Sunny
27°
1%
14:00
Sunny
27°
1%
15:00
Sunny
27°
1%
16:00
Sunny
26°
2%
17:00
Sunny
24°
3%
18:00
Clear
22°
6%
19:00
Clear
21°
9%
20:00
Clear
20°
12%
21:00
Partly Cloudy
20°
15%
22:00
Partly Cloudy
20°
20%
23:00
Cloudy
20°
22%
00:00
Cloudy
20°
22%
01:00
Clear
20°
14%
02:00
Clear
19°
15%
03:00
Clear
19°
16%
04:00
Clear
18°
16%
05:00
Clear
18°
15%
06:00
Clear
18°
15%
07:00
Sunny
18°
14%
08:00
Sunny
20°
10%
09:00
Sunny
22°
5%
10:00
Sunny
24°
3%
11:00
Sunny
26°
2%
12:00
Sunny
27°
1%

14-Day Forecast for Rio das Ostras

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

Additional Forecasts for Rio das Ostras

Air Quality

💨 US EPA Index 1 (Good)
CO (Carbon Monoxide) 79.0 μg/m³
O₃ (Ozone) 81.0 μg/m³
NO₂ (Nitrogen Dioxide) 1.1 μg/m³
SO₂ (Sulphur Dioxide) 1.9 μg/m³
PM2.5 (Fine particles) 9.0 μg/m³
PM10 (Coarse particles) 12.9 μg/m³

Historical Weather

Weather Forecasts for Other Cities in Brazil

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Best Time to Be Outside in Rio das Ostras Today

The most comfortable window in Rio das Ostras today looks like 17:00 to 17:00, when it is around 24°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 das Ostras

What is the temperature in Rio das Ostras right now?

The current temperature in Rio das Ostras is 28°C (83°F), sunny (feels like 29°C).

What's the weather like in Rio das Ostras right now?

Conditions in Rio das Ostras right now: Sunny, humidity 45%, wind 19 km/h NNE.

What is today's forecast for Rio das Ostras?

Today in Rio das Ostras: high 27°C, low 16°C, sunny. Chance of rain: 6%.

What is the 7-day weather forecast for Rio das Ostras?

Daily highs and lows for Rio das Ostras:

  • 2026-07-18: 27°C / 16°C
  • 2026-07-19: 27°C / 18°C
  • 2026-07-20: 28°C / 17°C
  • 2026-07-21: 28°C / 18°C
  • 2026-07-22: 30°C / 19°C
  • 2026-07-23: 27°C / 19°C
  • 2026-07-24: 24°C / 19°C
Is it going to rain in Rio das Ostras today?

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

What is the wind speed in Rio das Ostras right now?

Wind in Rio das Ostras is currently 19 km/h (12 mph) from the NNE.

What is the UV index in Rio das Ostras right now?

The UV index in Rio das Ostras is currently 6.3 (high). Sun protection is recommended when the index is 3 or higher.

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