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)	21	22	22	21	22	22	21	22	23	23	26	27	25	28	27	25	24	23	23	23	23	22	23	23
Precipitation (mm/hr)	1.18	0.2	0	0.89	0	0	0.79	0	0	0.19	0	0	0.02	0	0.06	0.07	0.85	3.6	1.26	1.76	1.56	0.03	0.01	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 (%)	100	100	100	100	100	100	100	95	94	88	54	14	73	24	60	89	79	100	75	100	100	53	100	100
Rain chance (%)	78	55	38	74	38	32	71	30	26	45	12	6	17	6	17	27	63	87	68	81	80	23	39	38

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)	3.5	3.31	2.61	2.69	2.5	2.11	2	1.69	2.31	1.61	0.89	0.69	1.81	2.61	4.19	3.31	3.31	2.31	1.69	2.19	2.11	1.5	1.11	1
Wind gust (m/s)	5.03	5	3.89	3.61	3.33	2.61	2.72	1.92	3.03	2.42	2.33	2.42	3.31	3.5	9.19	3.81	4.03	2.81	3	2.5	2.39	1.72	1.22	1.11
Wind direction (°)	ENE 57°	NE 42°	NE 34°	NE 50°	NNE 32°	NNE 14°	ENE 57°	N 4°	N 8°	NNE 22°	NNW 328°	ESE 113°	ESE 121°	SE 132°	SSE 166°	SE 127°	S 190°	SW 214°	E 99°	W 272°	NW 320°	ENE 57°	NW 312°	WNW 288°

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 (%)	96	96	95	95	94	94	94	92	86	87	76	70	75	65	71	79	88	92	90	96	95	92	94	94

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)	761	760	759	759	759	759	760	760	760	760	759	758	758	757	757	757	757	758	758	758	758	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	0.1	0.7	2.4	3.7	8	8	6	8	7	6	6	6	6	0	0	0	0	0

Air quality & pollen

Air quality is available for the first three days only.

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Fri, Oct 30, 2026

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.

Learn more about our methodology →