5-day weather forecast State of Rio de Janeiro 02-04-2026

Weather forecast State of Rio de Janeiro tomorrow 02.04.2026: patchy rain possible, temperature from 17 °C to 25 °C.

Precipitation probability 100%. Wind up to 2.39 m/s (gusts 2.92 m/s). Air humidity 67–99%, atmospheric pressure 761–764 mm Hg, UV index up to 10.6.

Sunrise 05:59
Sunset 17:52

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Forecast from 17 °C to 25 °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)	17	18	18	18	18	18	17	18	20	21	23	24	25	24	24	24	23	21	19	18	18	17	17	17
Precipitation (mm/hr)	0.49	0.03	0	0	0	0	0	0	0.01	0.01	0.03	0.03	0.02	0.2	0.09	0.07	0.02	0.09	0	0	0.12	0.69	0	0

Cloud cover and precipitation probability

Cloud cover & Rain chance
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 (%)	89	100	100	100	100	100	100	100	60	74	53	74	77	76	70	82	82	75	50	100	59	60	55	57
Rain chance (%)	100	60	0	0	0	0	0	0	86	65	87	77	78	100	100	100	85	100	0	0	100	100	0	0

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	1	0.81	0.81	1.11	1	0.89	1	1.31	1.69	1.89	2.19	2.39	2.39	2.39	2.31	1.89	1.31	0.89	0.69	0.81	0.11	0.31	0.61
Wind gust (m/s)	1.97	1.86	1.42	1.42	1.97	1.75	1.61	1.58	1.61	1.97	2.19	2.53	2.75	2.75	2.92	2.64	2.36	1.86	1.83	1.47	1.67	0.22	0.64	1.25
Wind direction (°)	NNE 14°	N 11°	N 355°	N 356°	N 352°	N 7°	N 352°	NNW 345°	NNW 345°	NNW 344°	NNW 342°	NNW 347°	N 350°	N 350°	N 349°	N 351°	N 357°	N 7°	N 7°	NNE 12°	NNE 14°	W 273°	NNW 344°	N 9°

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 (%)	98	99	98	98	99	99	99	97	93	86	77	71	67	69	70	73	79	88	97	97	97	97	97	97

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)	763	762	761	761	761	761	762	763	763	764	763	763	762	761	761	761	761	761	762	763	763	764	764	764

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	0.5	1.9	4.2	7.3	9.2	10.6	9.6	7	4	1.6	0.3	0	0	0	0	0	0

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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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