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

Weather forecast Buenos Aires tomorrow 17.05.2026: sunny, temperature from 9 °C to 13 °C.

Precipitation probability 70%. Wind up to 6.19 m/s (gusts 8.08 m/s). Air humidity 45–76%, 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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← Sat, May 16

Sun, May 17, 2026

Mon, May 18 →

Forecast from 9 °C to 13 °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)	11	11	11	10	10	10	9	9	9	9	10	11	12	12	13	13	13	13	12	12	11	11	11	10
Precipitation (mm/hr)	0.02	0.04	0.01	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 (%)	100	100	100	77	52	50	69	80	68	86	43	28	9	4	0	0	16	51	6	3	5	6	2	0
Rain chance (%)	70	78	71	0	0	0	0	0	0	0	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)	6.19	5.81	5.81	6	6.11	5.61	5.11	4.61	4.19	4.19	4.11	3.89	4.11	4.19	4.31	4.19	4.19	4.31	3.61	3.19	3	2.89	2.69	2.69
Wind gust (m/s)	8.08	7.5	7.47	7.78	7.89	7.19	6.75	6.22	5.72	5.53	5.17	4.72	4.92	5	5.14	5.14	5.36	5.78	5.39	4.92	4.69	4.56	4.28	4.31
Wind direction (°)	SSE 164°	SSE 163°	SSE 165°	SSE 166°	SSE 162°	SSE 160°	SSE 161°	SSE 166°	S 172°	S 173°	S 181°	S 187°	SSW 195°	SSW 203°	SSW 207°	SSW 205°	SSW 201°	SSW 199°	SSW 200°	SSW 204°	SSW 208°	SSW 210°	SSW 213°	SW 219°

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 (%)	76	74	72	69	68	67	67	67	66	63	59	54	49	46	45	45	46	49	53	55	57	58	59	59

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	768	769	769	769	770	770	769	768	768	768	768	769	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

← Sat, May 16

Sun, May 17, 2026

Mon, May 18 →

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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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