5-day weather forecast Buenos Aires 20-05-2026

Weather forecast Buenos Aires Wednesday, May 20 20.05.2026: sunny, temperature from 8 °C to 14 °C.

No precipitation expected. Wind up to 4.19 m/s (gusts 6.25 m/s). Air humidity 52–80%, atmospheric pressure 768–771 mm Hg, UV index up to 5.

Sunrise 07:44
Sunset 17:56

Waxing Crescent15% illuminated
Moonrise 11:57 · Moonset 21:56

Chart

Table

← Tue, May 19

Wed, May 20, 2026

Forecast from 8 °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)	11	11	11	10	9	9	9	8	8	9	10	11	12	13	14	14	14	14	13	13	12	12	11	11
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 (%)	4	6	6	3	0	0	0	0	0	0	0	0	0	0	4	10	11	12	9	5	4	5	5	3
Rain chance (%)	0	0	0	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)	3.69	3.69	3.89	3.89	3.61	3.39	3.81	3.31	3.11	3.19	3.19	3	2.89	2.69	2.81	2.89	3.11	3.11	2.89	2.61	2.39	2.81	4	4.19
Wind gust (m/s)	5.89	5.75	5.86	5.81	5.33	5.06	5.58	4.89	4.67	4.36	4.14	3.78	3.58	3.36	3.5	3.67	4.08	4.28	4.5	4.11	3.81	4.36	6.03	6.25
Wind direction (°)	S 185°	S 169°	SSE 163°	SSE 165°	S 169°	S 175°	S 174°	S 178°	S 186°	S 189°	S 191°	SSW 194°	SSW 196°	SSW 199°	SSW 195°	SSW 196°	SSW 196°	SSW 194°	SSW 192°	S 186°	S 183°	S 173°	SSE 147°	SE 136°

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 (%)	65	69	74	76	78	79	80	80	80	77	72	67	62	57	54	52	52	54	57	59	61	64	66	67

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)	768	768	768	769	769	769	769	770	770	770	770	771	770	770	770	770	770	770	770	770	770	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	0.4	4	5	5	5	5	5	5	5	0	0	0	0	0	0

← Tue, May 19

Wed, May 20, 2026

Buenos Aires 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 →