5-day weather forecast Buenos Aires 17-05-2026

Weather forecast Buenos Aires tomorrow 17.05.2026: sunny, temperature from 11 °C to 14 °C.

Precipitation probability 65%. Wind up to 6.11 m/s (gusts 8.06 m/s). Air humidity 47–87%, atmospheric pressure 767–770 mm Hg, UV index up to 3.1.

Sunrise 07:42
Sunset 17:58

Waxing Crescent0% illuminated
Moonrise 08:45 · Moonset 18:27

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Table

← Sat, May 16

Sun, May 17, 2026

Mon, May 18 →

Forecast from 11 °C to 14 °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)	13	13	13	12	12	12	12	11	11	11	11	11	12	12	13	14	14	14	13	12	12	11	11	11
Precipitation (mm/hr)	0.02	0.02	0.01	0.01	0.02	0.01	0.01	0.01	0	0.01	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 (%)	100	100	100	100	100	92	100	100	72	75	78	84	47	27	19	19	24	27	19	13	7	4	4	2
Rain chance (%)	65	83	61	87	62	71	68	66	0	70	0	0	0	0	0	0	0	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)	5.5	5.81	5.5	5.61	6.11	5.89	5.39	4.89	4.89	5.19	5.19	4.81	4.39	4.11	3.89	3.69	3.89	4.11	4.19	4.19	4.19	3.69	3.31	3.19
Wind gust (m/s)	7.53	7.92	7.5	7.47	8.06	7.78	7.11	6.5	6.47	6.78	6.72	6.11	5.5	5.14	4.81	4.69	5.08	5.61	6.25	6.42	6.39	5.69	5.08	4.97
Wind direction (°)	SE 145°	SE 138°	SE 144°	SSE 151°	SSE 152°	SSE 153°	SSE 153°	SSE 148°	SSE 150°	SSE 150°	SSE 151°	SSE 147°	SE 146°	SSE 151°	SSE 160°	SSE 160°	SSE 157°	SSE 160°	SSE 162°	SSE 160°	SSE 157°	SSE 155°	SSE 157°	SSE 160°

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 (%)	87	85	82	81	80	79	78	77	75	73	71	67	63	58	53	49	47	49	52	56	59	61	63	64

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	767	767	767	767	768	769	769	769	769	769	768	768	768	768	768	769	769	770	770	770

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	0	0.3	1.1	2	2.8	3.1	2.7	1.9	0.9	0.3	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)	6.1	6	5.9	6.1	6.7	8.1	9	9.7	10.4	9.8	8.6	7.5	6.6	5.8	5.5	7.7	10.2	11.9	14	17.5	18.5	16	12.6	9.7
PM10 (µg/m³)	8.6	8.5	8.4	8.6	9.3	10.7	11.3	12.5	14.6	14.3	12.5	10.8	9.4	8.2	7.6	9.4	11.9	13.4	15.4	18.8	19.8	17.1	13.6	10.6
Ozone (O₃) (µg/m³)	33	33	32	31	27	22	21	28	39	47	51	52	51	47	41	34	26	17	11	8	7	7	9	12
NO₂ (µg/m³)	6	6	6.3	7	8.8	10.9	11.8	10.1	7.2	4.9	3.8	3.3	4	6.1	9.4	13.4	18.8	25	29.4	31.2	31.3	30.1	27.1	22.8
SO₂ (µg/m³)	3.6	3.6	3.7	3.9	4.4	5	5.5	5.7	5.8	5.8	5.6	5.3	5.1	4.9	4.7	4.9	5.8	7.1	8.1	8.7	9	8.8	7.8	6.4
CO (µg/m³)	72.9	68.9	67.9	77.9	110.9	154.9	178.9	163.9	129.9	102.9	91.9	87.9	88.9	93.9	104.9	125.9	157.9	199.9	248.9	323.9	406.9	438.9	375.9	262.9

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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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