5-day weather forecast Buenos Aires 21-03-2026
Weather forecast Buenos Aires Saturday 21 March 21.03.2026: patchy rain possible, temperature from 18 °C to 24 °C.
Precipitation probability 60%. Wind up to 7.81 m/s (gusts 11.33 m/s). Air humidity 86–96%, atmospheric pressure 753–760 mm Hg, UV index up to 6.
Sunrise 06:55
Sunset 19:11
Sunset 19:11
Chart
Table
Type of temperature:
°C
°FSat, 21 Mar, 2026
| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 21 °C | 60% (0.04 mm/hr) | 98% | 95% | 755 mm Hg | E 84° 4.89 (7.08) m/s | 0 |
| 01:00 | Patchy rain possible | 21 °C | 77% (0.05 mm/hr) | 100% | 96% | 754 mm Hg | ENE 60° 5.31 (7.75) m/s | 0 |
| 02:00 | Patchy rain possible | 22 °C | 100% (0.11 mm/hr) | 100% | 96% | 754 mm Hg | NE 45° 7.69 (11.33) m/s | 0 |
| 03:00 | Patchy rain possible | 22 °C | 68% (0.02 mm/hr) | 70% | 94% | 753 mm Hg | NE 42° 7.19 (10.78) m/s | 0 |
| 04:00 | Patchy rain possible | 22 °C | 84% (0.02 mm/hr) | 72% | 94% | 754 mm Hg | NE 39° 6 (8.92) m/s | 0 |
| 05:00 | Patchy rain possible | 22 °C | 100% (0.08 mm/hr) | 97% | 94% | 754 mm Hg | NE 35° 4.19 (6.17) m/s | 0 |
| 06:00 | Patchy rain possible | 22 °C | 100% (0.06 mm/hr) | 100% | 94% | 754 mm Hg | NNE 29° 3.39 (4.97) m/s | 0 |
| 07:00 |  Patchy rain possible | 22 °C | 73% (0.02 mm/hr) | 100% | 94% | 755 mm Hg | NNE 18° 3.39 (5) m/s | 0 |
| 08:00 |  Mist | 22 °C | 89% (0.02 mm/hr) | 100% | 94% | 755 mm Hg | NNE 18° 3.39 (4.94) m/s | 0.1 |
| 09:00 | Patchy rain possible | 22 °C | 100% (0.1 mm/hr) | 100% | 94% | 755 mm Hg | NNE 15° 4.69 (6.67) m/s | 0.6 |
| 10:00 | Patchy rain possible | 22 °C | 70% (0.05 mm/hr) | 100% | 94% | 755 mm Hg | N 10° 4.81 (6.81) m/s | 6 |
| 11:00 |  Light rain shower | 23 °C | 100% (0.19 mm/hr) | 100% | 93% | 755 mm Hg | N 3° 5 (7.03) m/s | 6 |
| 12:00 | Light rain shower | 23 °C | 100% (0.25 mm/hr) | 100% | 93% | 755 mm Hg | N 354° 4.5 (6.25) m/s | 6 |
| 13:00 | Light rain shower | 24 °C | 100% (0.23 mm/hr) | 98% | 91% | 755 mm Hg | NNW 335° 4.31 (6.03) m/s | 6 |
| 14:00 | Light rain shower | 24 °C | 100% (1.13 mm/hr) | 98% | 89% | 755 mm Hg | NW 316° 3.81 (5.5) m/s | 6 |
| 15:00 | Light rain shower | 24 °C | 100% (1.6 mm/hr) | 100% | 89% | 755 mm Hg | WNW 285° 4.69 (7.28) m/s | 6 |
| 16:00 | Light rain shower | 23 °C | 100% (0.83 mm/hr) | 100% | 91% | 755 mm Hg | W 261° 5.19 (7.61) m/s | 6 |
| 17:00 | Light rain shower | 23 °C | 100% (0.2 mm/hr) | 92% | 91% | 755 mm Hg | WSW 241° 5.5 (7.89) m/s | 6 |
| 18:00 | Patchy rain possible | 22 °C | 100% (0.09 mm/hr) | 100% | 91% | 756 mm Hg | SW 221° 6.5 (9.36) m/s | 6 |
| 19:00 | Patchy rain possible | 20 °C | 61% (0.03 mm/hr) | 95% | 92% | 757 mm Hg | SSW 200° 7.81 (11.33) m/s | 5 |
| 20:00 | Patchy rain possible | 20 °C | 62% (0.01 mm/hr) | 97% | 89% | 758 mm Hg | S 188° 7.11 (10.33) m/s | 0 |
| 21:00 | Patchy rain possible | 19 °C | 71% (0.01 mm/hr) | 97% | 89% | 759 mm Hg | S 189° 6.11 (8.86) m/s | 0 |
| 22:00 | Patchy rain possible | 18 °C | 69% (0.01 mm/hr) | 92% | 88% | 760 mm Hg | S 190° 5.31 (6.94) m/s | 0 |
| 23:00 |  Cloudy | 18 °C | 0% | 87% | 86% | 760 mm Hg | S 186° 5.11 (6.69) m/s | 0 |
Sat, 21 Mar, 2026
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.