5-day weather forecast Rio de Janeiro 28-08-2026

Weather forecast Rio de Janeiro Friday, August 28 28.08.2026: sunny, temperature from 19 °C to 26 °C.

Precipitation probability 25%. Wind up to 4.81 m/s (gusts 8.81 m/s). Air humidity 62–88%, atmospheric pressure 758–762 mm Hg, UV index up to 8.

Sunrise 06:06
Sunset 17:41
Full Moon98% illuminated
Moonrise 18:22 · Moonset 06:21
Chart
Table

Forecast from 19 °C to 26 °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)202019191919192021222425262625252525242424242423
Precipitation (mm/hr)000000000000000000000000

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 (%)00000000002641007632133431001001004798100
Rain chance (%)12121212121212119659151287713252424132324

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)2.6133.113.193.112.892.893.53.613.613.3133.313.813.894.814.193.893.693.693.613.313.313.39
Wind gust (m/s)3.223.833.693.833.813.423.394.224.334.564.283.723.428.816.895.035.8155.034.614.333.424.034.11
Wind direction (°)NE 43°NE 45°NE 41°NE 36°NNE 22°NNE 22°NNE 23°NNE 30°NNE 32°NE 37°NE 44°ENE 58°E 80°E 91°ESE 106°E 92°E 85°E 90°ENE 78°ENE 65°NE 56°NE 41°NE 37°NE 40°

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 (%)888888888787878579736863626569737579828080808080

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)762761761761761761761761761761761761760759759758758758758758758758758758

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 Index00000000.41.53.676778777000000

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)17.516.815.91513.913.11313.914.411.111.411.210.510.410.210.210.411.413.116.718.920.119.518.3
PM10 (µg/m³)1817.316.415.414.313.413.314.114.71212.612.512.112.412.412.412.513.415.118.92122.121.419.8
Ozone (O₃) (µg/m³)24232322201721365675901041131161141099986725741292526
NO₂ (µg/m³)37.83634.232.631.731.12924.21812.89.36.7543.85.710.4172432.140.545.143.337.8
SO₂ (µg/m³)7.476.465.75.55.45.45.55.44.94.13.53.23.13.13.33.84.45.56.77.47.16.3
CO (µg/m³)314294262239228225237277331371375363372423494553594624628599546478385277

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.