5-day weather forecast Buenos Aires 18-03-2026
Weather forecast Buenos Aires tomorrow 18.03.2026: patchy rain possible, temperature from 21 °C to 23 °C.
Precipitation probability 69%. Wind up to 7.39 m/s (gusts 10.14 m/s). Air humidity 74–92%, atmospheric pressure 760–762 mm Hg, UV index up to 9.4.
Sunrise 06:55
Sunset 19:11
Sunset 19:11
Chart
Table
Type of temperature:
°C
°F| Temperature | Precipitation | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Patchy rain possible | 22 °C | 69% (0.05 mm/hr) | 100% | 92% | 760 mm Hg | SE 139° 6.89 (9.67) m/s | 0 |
| 01:00 | Patchy rain possible | 22 °C | 100% (0.11 mm/hr) | 100% | 92% | 761 mm Hg | SE 139° 6.19 (8.67) m/s | 0 |
| 02:00 | Patchy rain possible | 22 °C | 62% (0.01 mm/hr) | 100% | 92% | 761 mm Hg | SE 138° 6 (8.36) m/s | 0 |
| 03:00 |  Cloudy | 22 °C | 0% | 84% | 92% | 760 mm Hg | SE 132° 5.89 (8.22) m/s | 0 |
| 04:00 |  Overcast | 22 °C | 0% | 90% | 92% | 761 mm Hg | SE 132° 5.81 (7.97) m/s | 0 |
| 05:00 | Patchy rain possible | 21 °C | 87% (0.01 mm/hr) | 100% | 92% | 761 mm Hg | SE 129° 5.81 (7.97) m/s | 0 |
| 06:00 | Patchy rain possible | 21 °C | 87% (0.02 mm/hr) | 100% | 91% | 761 mm Hg | SE 131° 5.69 (7.86) m/s | 0 |
| 07:00 |  Patchy rain possible | 21 °C | 100% (0.07 mm/hr) | 100% | 91% | 761 mm Hg | SE 137° 5.5 (7.53) m/s | 0 |
| 08:00 | Patchy rain possible | 21 °C | 100% (0.14 mm/hr) | 100% | 91% | 761 mm Hg | SE 144° 5.5 (7.39) m/s | 0.5 |
| 09:00 | Patchy rain possible | 21 °C | 100% (0.1 mm/hr) | 98% | 90% | 762 mm Hg | SSE 147° 5.5 (7.36) m/s | 1.8 |
| 10:00 | Patchy rain possible | 21 °C | 66% (0.03 mm/hr) | 99% | 87% | 762 mm Hg | SE 138° 6 (7.86) m/s | 3.7 |
| 11:00 | Patchy rain possible | 22 °C | 64% (0.02 mm/hr) | 99% | 84% | 762 mm Hg | SE 128° 6.5 (8.25) m/s | 6.2 |
| 12:00 | Patchy rain possible | 23 °C | 100% (0.06 mm/hr) | 87% | 79% | 762 mm Hg | ESE 118° 6.89 (8.5) m/s | 8.3 |
| 13:00 | Patchy rain possible | 23 °C | 100% (0.05 mm/hr) | 88% | 77% | 762 mm Hg | ESE 109° 7.11 (8.61) m/s | 9.4 |
| 14:00 | Patchy rain possible | 23 °C | 61% (0.03 mm/hr) | 83% | 77% | 761 mm Hg | ESE 105° 7.11 (8.83) m/s | 8.4 |
| 15:00 |  Cloudy | 23 °C | 0% | 79% | 77% | 761 mm Hg | ESE 102° 7.39 (9.33) m/s | 6.3 |
| 16:00 | Cloudy | 23 °C | 0% | 66% | 75% | 761 mm Hg | ESE 102° 7.31 (8.81) m/s | 3.7 |
| 17:00 |  Partly cloudy | 23 °C | 0% | 54% | 74% | 761 mm Hg | E 100° 7.19 (8.81) m/s | 1.6 |
| 18:00 | Partly cloudy | 22 °C | 0% | 46% | 76% | 761 mm Hg | E 101° 7.39 (9.31) m/s | 0.4 |
| 19:00 | Partly cloudy | 22 °C | 0% | 54% | 78% | 761 mm Hg | ESE 103° 7 (9.36) m/s | 0 |
| 20:00 | Cloudy | 21 °C | 0% | 74% | 80% | 761 mm Hg | ESE 107° 7.11 (9.72) m/s | 0 |
| 21:00 |  Partly cloudy | 21 °C | 0% | 56% | 80% | 761 mm Hg | ESE 106° 7.31 (10) m/s | 0 |
| 22:00 | Cloudy | 21 °C | 0% | 69% | 82% | 761 mm Hg | E 100° 7.31 (10.14) m/s | 0 |
| 23:00 | Partly cloudy | 21 °C | 0% | 57% | 84% | 761 mm Hg | E 94° 6.89 (9.69) 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.