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)	1.89	1.39	0.69	0.61	0.89	2.19	0.61	1.39	0.5	0.81	1.5	2.69	4.69	5.19	5.11	6.11	4.81	4.39	4	3.81	3.39	3.39	3.31	3.11
Wind gust (m/s)	2.61	1.81	0.81	0.61	3.89	2.5	0.81	1.5	0.5	1.11	2.33	3.14	5.03	6.61	5.72	7.5	7	7	6.53	6.61	6.61	6.81	6.42	6
Wind direction (°)	ENE 72°	ENE 71°	NE 44°	NW 309°	NE 55°	NE 48°	N 358°	WSW 256°	WNW 299°	N 5°	WSW 257°	SW 227°	SW 219°	SW 234°	SW 228°	WSW 237°	SW 234°	WSW 237°	WSW 248°	WSW 256°	W 264°	W 264°	W 271°	W 280°

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	96	96	96	96	96	95	94	88	85	81	88	90	88	87	88	88	90	91	91	91	92	92

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)	762	761	761	761	761	761	761	762	762	762	762	762	761	761	761	761	761	762	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	0.7	1.7	3.4	2.8	5.8	4.7	8.6	7.2	3	0.7	0.2	0	0	0	0	0	0

Air quality & pollen

Air quality
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
PM2.5 (µg/m³)	17.7	18.5	19.7	18.8	19.7	19.7	21.5	24.2	26.3	23.5	24.2	22.7	22.4	21	19.2	20.5	23.7	29.6	34.7	39.8	41.3	40.4	37.5	38.8
PM10 (µg/m³)	20.3	21	22.5	21.8	22.5	22.1	23.6	26.1	28.1	25.7	27	26.6	27	25.6	23.6	25.3	27.2	32	37	42	43.3	42.1	39.6	41.1
Ozone (O₃) (µg/m³)	52	50	49	47	42	36	34	35	39	52	82	122	148	151	142	130	119	106	91	73	53	40	37	40
NO₂ (µg/m³)	37.2	37	36.6	36	34.8	33.5	32.7	34.2	36.2	35	26.9	15.6	7.6	5.3	6.5	11	20.4	33.1	44.8	55	64.1	69.3	68.3	63.2
SO₂ (µg/m³)	7.7	8.3	9.3	9.8	9	7.7	6.9	7.3	8.2	8.7	8.2	7.2	6.4	5.7	5.2	5.5	7.2	9.7	11.7	12.8	13.3	13.5	13.2	12.5
CO (µg/m³)	266	286	315	335	326	308	315	370	450	523	593	657	672	590	460	386	439	549	608	562	465	376	309	249

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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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5-day weather forecast Rio de Janeiro Oct 7, 2026

Forecast from 21 °C to 25 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction