5-day weather forecast Rio de Janeiro 20-03-2026

Weather forecast Rio de Janeiro Friday 20 March 20.03.2026: partly cloudy, temperature from 22 °C to 26 °C.

Precipitation probability 86%. Wind up to 3.19 m/s (gusts 4.03 m/s). Air humidity 66–83%, atmospheric pressure 757–759 mm Hg, UV index up to 8.7.

Sunrise 05:56
Sunset 18:07

Chart

Table

Type of temperature:

°C

°F

← Thu, 19 Mar

Fri, 20 Mar, 2026

Sat, 21 Mar →

Forecast from 22 °C to 26 °C and precipitation

Temperature & Precipitation
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Temperature (°C)	23	23	23	23	23	22	23	23	23	24	26	26	26	26	26	26	26	25	25	25	24	24	24	24
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0.01	0.01	0.01	0	0	0	0	0	0	0

Cloud cover

Cloud cover
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Cloud cover (%)	37	31	53	31	30	14	10	10	16	26	17	38	21	26	86	70	55	64	57	41	57	24	16	14

Wind speed and direction

Wind & Wind gust
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Wind (m/s)	1.19	0.89	1	0.5	0.19	0.61	0.39	0.39	0.31	0.31	0.89	1.81	2.5	3	3.11	3.19	3.19	2.89	2.31	1.61	1.11	0.5	0.11	0.69
Wind gust (m/s)	1.75	1.33	1.47	0.72	0.28	0.89	0.58	0.56	0.39	0.39	1.03	2.08	2.89	3.53	3.67	3.83	4.03	3.81	3.22	2.28	1.58	0.72	0.14	1.06

Air humidity

Humidity
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Humidity (%)	80	81	82	82	82	83	82	81	79	76	70	66	67	69	68	67	69	70	72	73	72	71	72	73

Atmospheric pressure

Pressure
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
Pressure (mm Hg)	758	758	758	757	757	758	758	758	759	759	759	758	758	758	757	757	757	758	758	758	759	759	759	759

Ultraviolet index

UV Index
Time	00:00	01:00	02:00	03:00	04:00	05:00	06:00	07:00	08:00	09:00	10:00	11:00	12:00	13:00	14:00	15:00	16:00	17:00	18:00	19:00	20:00	21:00	22:00	23:00
UV Index	0	0	0	0	0	0	0	0.4	1.4	2.6	5.4	8.4	8.7	7.6	6.2	4.1	1.6	0.3	0	0	0	0	0	0

← Thu, 19 Mar

Fri, 20 Mar, 2026

Sat, 21 Mar →

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.

Learn more about our methodology →