5-day weather forecast Buenos Aires 21-03-2026
Weather forecast Buenos Aires Saturday 21 March 21.03.2026: light rain shower, temperature from 17 °C to 24 °C.
Precipitation probability 100%. Wind up to 8.89 m/s (gusts 11.89 m/s). Air humidity 77–96%, atmospheric pressure 753–761 mm Hg, UV index up to 5.2.
Sunrise 06:56
Sunset 19:09
Sunset 19:09
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Light rain shower | 21 °C | 100% (1.06 mm/hr) | 100% | 96% | 755 mm Hg | SE 133° 5.81 (8.28) m/s | 0 |
| 01:00 |  Patchy rain possible | 21 °C | 100% (0.06 mm/hr) | 86% | 95% | 754 mm Hg | E 101° 7.31 (10.64) m/s | 0 |
| 02:00 |  Cloudy | 21 °C | 0% | 80% | 95% | 753 mm Hg | E 92° 6.69 (9.67) m/s | 0 |
| 03:00 | Patchy rain possible | 22 °C | 67% (0.03 mm/hr) | 100% | 95% | 754 mm Hg | ENE 78° 6.19 (9.08) m/s | 0 |
| 04:00 | Patchy rain possible | 22 °C | 69% (0.03 mm/hr) | 100% | 95% | 755 mm Hg | ENE 63° 5.39 (7.89) m/s | 0 |
| 05:00 | Patchy rain possible | 22 °C | 79% (0.01 mm/hr) | 99% | 94% | 754 mm Hg | NE 49° 3.81 (5.53) m/s | 0 |
| 06:00 |  Mist | 22 °C | 0% | 95% | 95% | 754 mm Hg | NE 35° 3.19 (4.72) m/s | 0 |
| 07:00 |  Patchy rain possible | 22 °C | 74% (0.02 mm/hr) | 100% | 95% | 755 mm Hg | NNE 14° 3.81 (5.64) m/s | 0 |
| 08:00 |  Light rain shower | 22 °C | 100% (0.15 mm/hr) | 100% | 95% | 755 mm Hg | N 352° 3.81 (5.58) m/s | 0.4 |
| 09:00 | Light rain shower | 22 °C | 100% (0.17 mm/hr) | 82% | 95% | 755 mm Hg | NNW 339° 3.81 (5.53) m/s | 1.4 |
| 10:00 | Patchy rain possible | 23 °C | 100% (0.13 mm/hr) | 100% | 93% | 756 mm Hg | NW 321° 4.39 (6.08) m/s | 2.2 |
| 11:00 | Light rain shower | 24 °C | 100% (0.35 mm/hr) | 98% | 89% | 756 mm Hg | NW 314° 3.81 (5.28) m/s | 2.2 |
| 12:00 | Light rain shower | 24 °C | 100% (0.75 mm/hr) | 91% | 87% | 756 mm Hg | WNW 290° 3.39 (4.86) m/s | 2.6 |
| 13:00 | Light rain shower | 24 °C | 100% (1.02 mm/hr) | 85% | 86% | 756 mm Hg | W 263° 3.5 (5.31) m/s | 5.2 |
| 14:00 | Light rain shower | 24 °C | 100% (0.91 mm/hr) | 96% | 86% | 756 mm Hg | WSW 239° 4.11 (6.75) m/s | 1.3 |
| 15:00 | Light rain shower | 23 °C | 100% (0.53 mm/hr) | 100% | 90% | 757 mm Hg | SW 216° 6.31 (10.97) m/s | 0.9 |
| 16:00 | Patchy rain possible | 20 °C | 80% (0.02 mm/hr) | 99% | 92% | 758 mm Hg | SSW 192° 8.89 (11.89) m/s | 1.6 |
| 17:00 |  Partly cloudy | 20 °C | 0% | 51% | 87% | 758 mm Hg | S 178° 7.31 (9.42) m/s | 1 |
| 18:00 |  Cloudy | 20 °C | 0% | 81% | 82% | 759 mm Hg | S 178° 7 (9.03) m/s | 0.3 |
| 19:00 | Partly cloudy | 19 °C | 0% | 26% | 79% | 759 mm Hg | S 177° 6.61 (9.11) m/s | 0 |
| 20:00 |  Clear | 19 °C | 0% | 11% | 77% | 760 mm Hg | S 173° 6.5 (9.14) m/s | 0 |
| 21:00 | Clear | 18 °C | 0% | 6% | 77% | 761 mm Hg | SSE 167° 6.19 (8.83) m/s | 0 |
| 22:00 | Clear | 17 °C | 0% | 4% | 82% | 759 mm Hg | SSW 207° 5 (6.78) m/s | 0 |
| 23:00 | Clear | 17 °C | 0% | 0% | 80% | 759 mm Hg | SSW 203° 5.31 (7.25) m/s | 0 |
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.