5-day weather forecast Rio de Janeiro 27-08-2026

Weather forecast Rio de Janeiro tomorrow 27.08.2026: sunny, temperature from 20 °C to 23 °C.

Precipitation probability 89%. Wind up to 5.61 m/s (gusts 8.39 m/s). Air humidity 76–95%, atmospheric pressure 761–764 mm Hg, UV index up to 7.7.

Sunrise 06:07
Sunset 17:40
Full Moon100% illuminated
Moonrise 17:31 · Moonset 05:50
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Table

Forecast from 20 °C to 23 °C and precipitation

Temperature & Precipitation
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Temperature (°C)212121202020202020202020212223222222212121202020
Precipitation (mm/hr)0.150.160.170.152.991.754.322.281.032.091.8900.8200.49000000000

Cloud cover and precipitation probability

Cloud cover & Rain chance
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Cloud cover (%)10010010010010010010010010010010010088587882000000
Rain chance (%)444545458781898375828132659489910111111121212

Wind speed and direction

Wind & Wind gust
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Wind (m/s)4.814.813.112.813.3931.812.112.393.54.194.6143.194.194.194.395.615.614.814.313.893.693.31
Wind gust (m/s)7.57.314.834.5355.362.612.833.114.255.225.925.424.224.725.035.337.118.398.117.226.425.144.42
Wind direction (°)E 88°ENE 65°ENE 74°ENE 76°ENE 63°ENE 57°NE 42°ENE 62°ENE 74°ENE 72°ENE 59°NNE 23°NNE 19°NE 49°ENE 68°E 82°E 89°E 83°ENE 75°ENE 70°ENE 66°ENE 62°ENE 58°NE 49°

Air humidity

Humidity
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Humidity (%)929393939595949493949593877976788084868485868888

Atmospheric pressure

Pressure
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
Pressure (mm Hg)763763763762762763763764764764764764764763762761761761761762762762762762

Ultraviolet index

UV Index
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
UV Index00000000.10.62.44.97.27.76.44.92.81.10.2000000

Air quality & pollen

Air quality
Time00:0001:0002:0003:0004:0005:0006:0007:0008:0009:0010:0011:0012:0013:0014:0015:0016:0017:0018:0019:0020:0021:0022:0023:00
PM2.5 (µg/m³)17.614.814.215.716.58.89.914.317.314.210.39.79.68.988.28.28.810.813.114.215.717.117.8
PM10 (µg/m³)18.715.815.116.617.49.610.715.1181510.910.310.29.68.78.98.89.411.413.614.616.217.618.3
Ozone (O₃) (µg/m³)24232323212022304258811091261271191089478624836272424
NO₂ (µg/m³)40.638.135.633.331.53028.728.428.226.119.711.35.33.54.16.711.919.12632.538.742.542.540.2
SO₂ (µg/m³)7.76.85.74.94.74.85.36.78.69.68.97.465.14.44.14.45.266.87.68.18.17.8
CO (µg/m³)177169165167181202223243262276283285283272257258296351381361316285289307

Rio de Janeiro on the map

Data Sources & Methodology

Our weather forecasts are powered by a professional weather data provider that aggregates data from national weather services, satellite observations, radar networks, and over 80,000 weather stations worldwide. Forecast data is updated multiple times daily. We convert raw data into clear summaries — wind speed in m/s, pressure in mmHg — so you can plan your day with confidence.