5-day weather forecast Rio de Janeiro 21-03-2026

Weather forecast Rio de Janeiro Saturday 21 March 21.03.2026: partly cloudy, temperature from 22 °C to 28 °C.

Precipitation probability 83%. Wind up to 4.5 m/s (gusts 5.36 m/s). Air humidity 63–82%, atmospheric pressure 758–760 mm Hg, UV index up to 8.

Sunrise 05:56
Sunset 18:08

Chart

Table

Type of temperature:

°C

°F

← Fri, 20 Mar

Sat, 21 Mar, 2026

Forecast from 22 °C to 28 °C and precipitation

Cloud cover

Wind speed and direction

Air humidity

Atmospheric pressure

Ultraviolet index

← Fri, 20 Mar

Sat, 21 Mar, 2026

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.

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