5-day weather forecast Rio de Janeiro 17-07-2026

Weather forecast Rio de Janeiro today 17.07.2026: sunny, temperature from 16 °C to 25 °C.

Precipitation probability 6%. Wind up to 3.11 m/s (gusts 6.5 m/s). Air humidity 44–70%, atmospheric pressure 764–768 mm Hg, UV index up to 6.2.

Sunrise 06:32
Sunset 17:25

Waxing Crescent15% illuminated
Moonrise 08:53 · Moonset 20:50

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Table

Fri, Jul 17, 2026

Sat, Jul 18 →

Forecast from 16 °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	17	17	17	17	16	16	16	18	20	22	24	24	25	25	25	25	23	22	21	20	20	19	19
Precipitation (mm/hr)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	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 (%)	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0
Rain chance (%)	4	4	4	5	5	5	6	6	5	3	2	2	1	1	1	1	2	3	3	3	3	4	4	4

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)	2.89	2.81	2.69	2.5	2.69	2.69	2.81	2.89	2.89	3	2.61	1.69	1.31	1.5	2.19	2.5	2.69	2.31	2.19	2.61	3	3	3	3.11
Wind gust (m/s)	5.61	5.39	5.25	4.78	5.22	5.33	5.56	5.64	4.53	3.89	3.17	2.03	1.58	1.92	3	3.61	4.25	4.58	4.61	5.47	6.31	6.31	6.31	6.5
Wind direction (°)	NE 39°	NNE 30°	NNE 24°	NNE 13°	N 5°	N 0°	N 355°	N 357°	N 0°	N 1°	N 5°	NNE 13°	NE 52°	E 84°	E 85°	E 81°	E 89°	E 90°	ENE 67°	NNE 32°	NNE 24°	NNE 30°	NE 37°	NE 34°

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 (%)	64	64	65	66	67	67	70	70	66	59	53	49	50	44	45	46	50	57	60	61	60	61	61	62

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)	767	767	767	767	766	767	767	767	767	768	768	767	766	766	765	764	764	764	764	765	765	765	766	766

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	0.2	0.9	2.4	4.2	5.7	6.2	5.4	3.8	1.9	0.6	0	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)	20.5	18.8	17.2	15.7	14.5	13.6	13.4	15.5	18.4	17.1	14.7	14.1	13.2	12.1	10.7	10	9.7	9.8	11.1	13.6	16.3	18.7	20.1	20.3
PM10 (µg/m³)	21.8	19.9	18.2	16.5	15.4	14.5	14.3	16.4	19.4	19.4	18.3	18	17.2	16	14.4	13.6	13	12.8	13.9	16.5	19.3	21.6	22.8	22.7
Ozone (O₃) (µg/m³)	14	14	14	14	12	10	13	23	37	52	68	84	94	96	92	86	78	67	56	45	34	26	21	19
NO₂ (µg/m³)	41.9	39.5	37	34.7	33	31.7	30	28.1	26	22.7	16.9	9.9	4.9	3	3.1	4.7	8	12.9	18.5	25.7	33.7	39	39.8	37.9
SO₂ (µg/m³)	7.1	6.4	5.7	5.2	4.9	4.7	4.9	5.8	7	7.6	7	5.7	4.6	3.8	3.1	2.7	2.6	2.7	3.2	4.2	5.6	6.5	6.6	6.3
CO (µg/m³)	137	107	106	118	137	168	214	295	391	442	405	325	271	266	289	345	472	632	720	680	568	450	333	210

Fri, Jul 17, 2026

Sat, Jul 18 →

Frequently asked questions about the weather in Rio de Janeiro

Today in Rio de Janeiro the temperature ranges from 16 °C to 25 °C, wind up to 3.11 m/s. Check the detailed hourly forecast above for more information.

The precipitation probability in Rio de Janeiro today is 6%. View the full multi-day forecast above to see the rain chances for each upcoming day.

The wind speed in Rio de Janeiro today reaches up to 3.11 m/s with gusts up to 6.5 m/s. Check the detailed wind chart above for hourly wind data.

The air humidity in Rio de Janeiro today ranges from 44% to 70%. View the humidity chart above for hourly details.

The UV index in Rio de Janeiro today reaches up to 6.2. Check the UV index chart above for hourly values throughout the day.

The atmospheric pressure in Rio de Janeiro today ranges from 764 to 768 mm Hg. View the pressure chart above for hourly readings.

Cloud cover in Rio de Janeiro today reaches up to 0%. Check the cloud cover chart above for hourly details throughout the day.

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 →