5-day weather forecast Buenos Aires Sep 28, 2026
20°Weather forecast Buenos Aires Monday Sep 28, 2026: overcast, temperature from 15 °C to 20 °C.
Precipitation probability 47%. Wind up to 5.61 m/s (gusts 11.42 m/s). Air humidity 75–96%, atmospheric pressure 755–762 mm Hg, UV index up to 5.
5 days at a glance — tap a day to open it
Sunrise 06:34
Sunset 18:54
Sunset 18:54
Waning Gibbous91% illuminated
Moonrise 21:11 · Moonset 07:14
Moonrise 21:11 · Moonset 07:14
Chart
Table
Mon, Sep 28, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Partly cloudy | 16 °C | 14% | 59% | 77% | 762 mm Hg | E 79° 5.39 (11.42) m/s | 0 |
| 01:00 |  Mist | 17 °C | 47% (0.08 mm/hr) | 100% | 96% | 758 mm Hg | NE 55° 3.31 (6.33) m/s | 0 |
| 02:00 | Mist | 17 °C | 38% | 99% | 94% | 758 mm Hg | ENE 65° 3 (5.42) m/s | 0 |
| 03:00 |  Overcast | 15 °C | 22% | 100% | 77% | 761 mm Hg | E 81° 5.11 (9.53) m/s | 0 |
| 04:00 | Mist | 16 °C | 38% | 100% | 96% | 758 mm Hg | ENE 75° 3 (4.89) m/s | 0 |
| 05:00 | Mist | 16 °C | 39% | 100% | 96% | 758 mm Hg | E 81° 2.61 (4.22) m/s | 0 |
| 06:00 | Overcast | 15 °C | 22% | 100% | 77% | 761 mm Hg | E 87° 5 (8.11) m/s | 0 |
| 07:00 |  Mist | 16 °C | 36% | 87% | 96% | 758 mm Hg | ESE 104° 2.39 (3.81) m/s | 0 |
| 08:00 | Mist | 17 °C | 38% | 100% | 95% | 758 mm Hg | ESE 109° 2.69 (3.92) m/s | 0.2 |
| 09:00 | Overcast | 15 °C | 21% | 100% | 75% | 761 mm Hg | E 79° 5.61 (8.19) m/s | 0.6 |
| 10:00 | Mist | 17 °C | 41% (0.03 mm/hr) | 100% | 95% | 758 mm Hg | ESE 113° 3.31 (4.89) m/s | 5 |
| 11:00 |  Patchy rain possible | 17 °C | 33% (0.01 mm/hr) | 100% | 94% | 758 mm Hg | ESE 110° 3.19 (4.61) m/s | 5 |
| 12:00 | Overcast | 17 °C | 21% | 100% | 76% | 759 mm Hg | E 79° 4.11 (6.92) m/s | 5 |
| 13:00 |  Cloudy | 19 °C | 20% | 66% | 86% | 757 mm Hg | ESE 116° 3.31 (4.31) m/s | 5 |
| 14:00 | Overcast | 20 °C | 24% | 100% | 81% | 756 mm Hg | ESE 103° 3.61 (4.42) m/s | 5 |
| 15:00 | Overcast | 18 °C | 22% | 100% | 78% | 757 mm Hg | ESE 104° 4.31 (6.39) m/s | 5 |
| 16:00 | Overcast | 18 °C | 24% | 100% | 81% | 756 mm Hg | E 93° 3.89 (6.61) m/s | 5 |
| 17:00 | Overcast | 18 °C | 25% | 100% | 83% | 755 mm Hg | E 83° 3.61 (6.81) m/s | 5 |
| 18:00 | Overcast | 18 °C | 27% | 100% | 86% | 755 mm Hg | ENE 72° 3.19 (7) m/s | 5 |
| 19:00 |  Patchy rain possible | 18 °C | 28% | 100% | 88% | 755 mm Hg | NE 56° 3.31 (7.19) m/s | 0 |
| 20:00 | Overcast | 18 °C | 40% (0.1 mm/hr) | 100% | 90% | 755 mm Hg | NE 40° 3.31 (7.5) m/s | 0 |
| 21:00 | Patchy rain possible | 18 °C | 41% (0.11 mm/hr) | 100% | 91% | 755 mm Hg | NNE 23° 3.39 (7.69) m/s | 0 |
| 22:00 | Patchy rain possible | 18 °C | 41% (0.1 mm/hr) | 100% | 92% | 755 mm Hg | ESE 110° 3 (6.11) m/s | 0 |
| 23:00 | Patchy rain possible | 18 °C | 42% (0.1 mm/hr) | 100% | 93% | 756 mm Hg | SSW 196° 2.69 (4.5) m/s | 0 |
Mon, Sep 28, 2026
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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.