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)	1.69	2.89	2	2.19	3.11	1.69	3	2.69	2.69	3.11	3.31	3	2.11	1.39	0.19	5.19	7.81	5.39	4.89	4.5	3.39	3.5	3.89	4.19
Wind gust (m/s)	1.83	3.69	3.33	3	4	2	3.53	3.31	3.39	3.81	4.83	5.72	6.11	5.61	5.22	6.64	10.19	7.39	7.11	6.5	4.42	4.5	5.33	6
Wind direction (°)	NNE 14°	SW 216°	SW 233°	WSW 258°	WSW 253°	WNW 299°	NE 37°	NNE 33°	NE 43°	NE 38°	NNE 31°	NNE 21°	N 0°	NNW 329°	NE 46°	SW 222°	SW 228°	WSW 238°	WSW 247°	WSW 258°	W 271°	W 267°	WSW 255°	W 259°

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 (%)	81	84	89	90	92	91	87	82	72	62	54	46	42	45	47	51	81	84	87	90	88	87	90	91

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)	755	756	756	755	755	756	755	756	756	755	755	755	754	753	753	753	755	756	757	758	758	758	758	758

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	2.4	5.2	8.3	10.7	11.5	10.1	7.3	4.3	1.5	0.4	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)	23.7	22.4	20.5	20.1	18.6	17.1	17.1	18	19	18.2	18.2	19.3	20.5	19.8	18.9	18.2	17.9	21.4	26.4	30.5	34.1	36.7	38.1	39.7
PM10 (µg/m³)	25.8	24.3	22.4	21.3	19.5	17.9	17.7	18.6	20.8	20.5	20.8	22.8	24.6	23.7	22.4	21.4	21	24.8	30.5	35.7	40.3	43.5	44.9	46.9
Ozone (O₃) (µg/m³)	21	20	20	20	16	12	20	48	87	121	145	163	173	172	164	153	142	130	117	103	90	82	86	96
NO₂ (µg/m³)	46.4	43.5	40.2	37.3	35.5	34	31.3	26	19.5	14	10.3	7.7	6.2	5.1	5.2	8.6	18	30.7	41.1	47.2	50.9	52.2	49.8	44.9
SO₂ (µg/m³)	8.2	7.7	7.1	6.7	6.5	6.5	6.6	7	7.4	7.6	7.2	6.5	5.8	4.9	4	3.7	4.4	5.7	7.1	8.6	10.1	11.2	11.4	11
CO (µg/m³)	534	486	415	373	385	426	468	508	549	574	566	541	529	548	581	597	582	551	525	509	497	495	514	542

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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 Sep 30, 2026

Forecast from 22 °C to 33 °C and precipitation

Cloud cover and precipitation probability

Wind speed and direction