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)	20	20	20	19	20	20	20	20	21	21	21	21	22	22	22	22	22	22	21	21	21	21	20	20
Precipitation (mm/hr)	0.18	0.75	0.49	0.18	0.39	0.36	0.13	0.17	0.19	0.12	0.22	0.01	0.02	0.01	0	0	0	0	0	0.02	0.05	0.02	0.02	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 (%)	75	100	93	87	66	72	77	100	100	61	55	73	79	79	65	82	61	44	78	100	100	93	100	100
Rain chance (%)	32	62	53	34	38	38	30	34	34	20	24	15	13	13	10	12	9	8	13	20	24	21	23	21

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)	3.11	3.89	3.69	2.19	2.61	2.61	1.5	1.39	1.39	2.11	2	2.19	2.89	3.69	3.81	3.89	4.31	4.31	3.89	5.11	5.19	4.31	5.11	5.19
Wind gust (m/s)	5.97	5.19	4.89	4.14	3.22	3.31	2.94	1.92	1.83	4.28	2.33	2.5	4.75	6.69	7.81	5.97	7.31	4.61	6.17	6.42	6.94	6.89	7.64	7.69
Wind direction (°)	SW 221°	SW 214°	SSW 211°	SW 215°	SW 215°	SSW 205°	SW 223°	SSW 194°	SSE 165°	S 177°	SE 146°	SE 130°	SSE 154°	SE 132°	SE 132°	SE 141°	ESE 123°	ESE 114°	ESE 112°	E 93°	E 86°	E 83°	ENE 73°	ENE 69°

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	82	81	80	78	78	81	76	74	71	73	71	64	65	65	64	65	67	68	71	74	74	76	76

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)	764	764	764	764	764	764	765	766	766	766	767	766	765	765	765	765	765	766	766	766	767	767	767	767

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	0.2	0.9	2.7	5.3	7.4	9.1	10.2	8.7	6.7	4.1	1.6	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)	11.8	11.7	11.7	11.7	11.7	12	11.6	11.5	8.9	9	10.9	13.4	14.7	14.7	14.2	13.4	12.8	13	13.8	16.2	19	17.6	18.2	15.8
PM10 (µg/m³)	16.7	16.5	17.1	17	16.9	17.1	15.4	15.9	13.1	13	15.5	18.7	20.4	20.5	19.8	18.7	18	18.1	19.1	22.1	25.6	22.8	23.7	20.9
Ozone (O₃) (µg/m³)	38	38	38	38	34	28	28	36	50	63	75	87	94	94	90	83	75	64	54	44	35	28	26	27
NO₂ (µg/m³)	15.5	14.9	13.4	12.9	14.7	17.4	18.3	15.5	10.8	7.2	5.8	5.3	5.3	5.4	5.8	7	9.1	11.9	15.2	19.6	24.5	27.7	27.6	25.8
SO₂ (µg/m³)	4.4	4.5	4.5	4.6	4.7	4.7	4.8	4.9	4.9	5	5.1	5.2	5.1	4.8	4.4	4	3.8	3.6	3.7	4.2	5	5.6	5.7	5.5
CO (µg/m³)	248	278	299	313	324	328	317	279	226	179	145	117	98	92	96	103	113	127	135	133	126	121	122	125

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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 27, 2026

Forecast from 19 °C to 22 °C and precipitation