5-day weather forecast Rio de Janeiro 28-04-2026

Weather forecast Rio de Janeiro Tuesday, April 28 28.04.2026: sunny, temperature from 24 °C to 28 °C.

Precipitation probability 100%. Wind up to 4.39 m/s (gusts 5.5 m/s). Air humidity 67–90%, atmospheric pressure 760–763 mm Hg, UV index up to 7.6.

Sunrise 06:11
Sunset 17:29

Waxing Gibbous87% illuminated
Moonrise 15:34 · Moonset 03:21

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Table

← Mon, Apr 27

Tue, Apr 28, 2026

Wed, Apr 29 →

Forecast from 24 °C to 28 °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)	24	24	24	24	24	24	24	24	24	25	27	28	28	28	28	27	27	26	25	25	24	24	24	24
Precipitation (mm/hr)	0.52	0.57	0.46	0.22	0.16	0.08	0.04	0.01	0.02	0.01	0	0	0	0	0	0.01	0.01	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 (%)	85	100	100	100	100	100	85	71	64	70	28	41	27	40	50	76	72	7	15	17	18	20	21	21
Rain chance (%)	100	100	100	100	100	100	67	63	62	87	0	0	0	0	0	79	68	0	0	0	0	0	0	0

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)	1.39	1.39	1.31	1.11	0.69	0.81	1.11	1.31	1.19	0.89	1.31	2.31	3.11	3.81	4.31	4.39	4.31	3.61	2.61	2.19	2.19	2	1.69	1.61
Wind gust (m/s)	2.33	2.25	2.03	1.69	1.08	1.22	1.69	1.92	1.69	1.19	1.5	2.64	3.58	4.47	5.17	5.47	5.5	4.94	3.83	3.33	3.39	3.14	2.72	2.61
Wind direction (°)	SSW 210°	SSW 199°	S 180°	S 170°	SE 145°	E 94°	NE 53°	NNE 24°	NNE 18°	NE 43°	E 96°	SE 125°	SE 141°	SE 140°	SE 139°	SE 131°	ESE 118°	ESE 110°	ESE 107°	E 98°	E 89°	ENE 76°	ENE 68°	NE 44°

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 (%)	90	90	90	90	90	90	90	90	87	83	74	68	67	67	70	74	78	83	87	88	89	89	90	90

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	761	761	761	761	761	762	762	763	763	762	761	761	761	760	760	760	760	761	761	761	761	761	761

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	1	2.5	5.2	7.1	7.6	6.2	4.5	2.3	0.9	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)	44.2	44.2	45.6	47.3	51.5	40.2	25.8	25.6	28	29.5	27.7	25.2	23.8	22.6	23.2	25.7	29.2	32.9	36.2	45.7	47.7	51.2	50.3	47.7
PM10 (µg/m³)	47.7	47.6	48.7	50	53.6	42.7	28.1	28.3	31.1	32.6	30.7	27.8	26.2	24.9	25.5	28	31.6	35.4	39.4	49	50.7	53.4	51.8	49
Ozone (O₃) (µg/m³)	67	56	44	41	53	74	99	132	168	193	199	194	181	157	125	98	83	73	64	54	46	39	35	33
NO₂ (µg/m³)	22.2	25.5	30.9	33.6	31.2	26.1	21.1	16.8	12.6	9.6	7.7	7	9.3	16.7	26.9	35.4	40	42.8	45.1	47.8	49.9	50.2	47.5	42.9
SO₂ (µg/m³)	7.4	7.6	7.9	8.4	9.4	10.7	11.5	11.6	11.3	10.7	9.5	8.1	7.1	7	7.3	7.9	8.9	10.1	10.8	10.6	9.9	9.2	8.7	8.3
CO (µg/m³)	196.9	202.9	216.9	237.9	274.9	318.9	345.9	346.9	330.9	304.9	259.9	204.9	172.9	188.9	228.9	254.9	249.9	231.9	217.9	214.9	216.9	216.9	210.9	203.9

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Tue, Apr 28, 2026

Wed, Apr 29 →

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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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