GRAMODO

Rio das Ostras Weather today

Brazil Rio de Janeiro state 22.5°S · 41.9°W

Daily weather summary and conditions — Rio das Ostras

Rio das Ostras, Rio de Janeiro state, Brazil

Clear weather is expected throughout the day. A small chance of precipitation remains during the day and at night. Air temperature during the day will be high, ranging from 20°C (68°F) to 27°C (81°F).

Humidity will be moderate, around 83%. A moderate wind is expected during the day, up to 24 km/h (15 mph). The sun will rise at 06:28 and set at 17:13. Daylight duration will be 10:45.

The water temperature today is about 22°C (72°F).

Now, 11:56 Sunny
Sunny
26°
Feels like 28°
No precipitation expected today
Max / Min
27° / 20°
Wind
4.5 m/s NE
Humidity
74%
Pressure
767 mmHg

Hourly forecast · Rio das Ostras

12 AM
Clear
20°
1 AM
Clear
20°
2 AM
Partly Cloudy
20°
3 AM
Partly Cloudy
20°
4 AM
Clear
20°
5 AM
Clear
20°
6 AM
Clear
20°
7 AM
Sunny
20°
8 AM
Sunny
22°
9 AM
Sunny
23°
10 AM
Sunny
25°
11 AM
Sunny
26°
12 PM
Sunny
26°
1 PM
Sunny
27°
2 PM
Sunny
27°
3 PM
Patchy rain nearby
26°
4 PM
Patchy rain nearby
25°
5 PM
Sunny
24°
6 PM
Clear
23°
7 PM
Clear
22°
8 PM
Clear
21°
9 PM
Partly Cloudy
21°
10 PM
Partly Cloudy
20°
11 PM
Patchy rain nearby
20°

Rio das Ostras — today expected clear and dry, temperature from +20°C (+68°F) to +27°C (+81°F).

Visibility

10 km
Excellent

Visible to horizon — clean air

Water

18.6 °C
Chilly

Cool — refreshing

Air Quality

Open
Good

Air is clean — safe to walk and exercise outside

Main pollutant: PM2.5

PM2.5
9.7 µg/m³
PM10
13.1 µg/m³
O₃
67 µg/m³
NO₂
2.1 µg/m³
SO₂
1 µg/m³
CO
151 µg/m³

Pollen & allergens

Open
Low level

Mugwort

Mild symptoms possible for sensitive individuals. Keep allergy drops handy if walking outdoors.

Main allergen: Mugwort

Hazel 0 grains/m³
Alder 0 grains/m³
Birch 0 grains/m³
Oak 0 grains/m³
Grass 0 grains/m³
Ragweed 0 grains/m³

Sun & Moon

10h 45m Daylight
Sunrise 06:28 AM
Zenith 11:51 AM
Sunset 05:13 PM
13h 14m Moon above horizon
Moonrise 03:26 PM
Moonset 04:40 AM
Golden hour 06:28 AM – 07:01 AM · 04:40 PM – 05:13 PM
Blue hour 06:03 AM – 06:28 AM · 05:13 PM – 05:38 PM
Astronomical twilight 05:08 AM → 06:03 AM · 05:38 PM → 06:33 PM
Now Full Moon · 97%
Last Quarter 5 July

Rio das Ostras (Brazil). Interactive weather map for today with switchable layers: temperature, precipitation, wind, and pressure. Coordinates: -22.53°, -41.95°. Timezone: America/Sao_Paulo.