5-day weather forecast Buenos Aires 05-09-2026
Weather forecast Buenos Aires Saturday, September 5 05.09.2026: sunny, temperature from 8 °C to 13 °C.
Precipitation probability 10%. Wind up to 7.11 m/s (gusts 10.22 m/s). Air humidity 33–73%, atmospheric pressure 764–770 mm Hg, UV index up to 5.2.
5 days at a glance — tap a day to open it
Sunrise 07:06
Sunset 18:37
Sunset 18:37
Waning Crescent29% illuminated
Moonrise 02:37 · Moonset 12:06
Moonrise 02:37 · Moonset 12:06
Chart
Table
| Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index | ||
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 13 °C | 4% | 0% | 61% | 764 mm Hg | NNW 332° 2.5 (3.42) m/s | 0 |
| 01:00 | Clear | 12 °C | 3% | 0% | 60% | 764 mm Hg | NW 304° 2.5 (3.89) m/s | 0 |
| 02:00 | Clear | 11 °C | 4% | 0% | 61% | 764 mm Hg | W 264° 3.81 (7.31) m/s | 0 |
| 03:00 | Clear | 11 °C | 4% | 2% | 59% | 764 mm Hg | WSW 243° 3.5 (8) m/s | 0 |
| 04:00 | Clear | 10 °C | 4% | 0% | 60% | 764 mm Hg | SSW 205° 3.89 (7.33) m/s | 0 |
| 05:00 | Clear | 9 °C | 4% | 0% | 61% | 765 mm Hg | S 188° 4.39 (9.11) m/s | 0 |
| 06:00 | Clear | 9 °C | 5% | 0% | 64% | 766 mm Hg | S 184° 4.89 (9.64) m/s | 0 |
| 07:00 | Clear | 8 °C | 7% | 0% | 73% | 767 mm Hg | S 190° 5 (9.61) m/s | 0 |
| 08:00 |  Sunny | 8 °C | 6% | 0% | 70% | 767 mm Hg | SSW 193° 5.69 (10.22) m/s | 0.2 |
| 09:00 | Sunny | 9 °C | 4% | 0% | 64% | 767 mm Hg | SSW 192° 6.11 (9.42) m/s | 1 |
| 10:00 | Sunny | 10 °C | 3% | 0% | 55% | 768 mm Hg | SSW 195° 6.11 (8.19) m/s | 2.3 |
| 11:00 | Sunny | 11 °C | 2% | 5% | 45% | 768 mm Hg | SSW 206° 5.69 (7.72) m/s | 3.7 |
| 12:00 | Sunny | 11 °C | 1% | 5% | 40% | 768 mm Hg | SW 215° 6.11 (8.33) m/s | 4.9 |
| 13:00 | Sunny | 12 °C | 1% | 4% | 38% | 768 mm Hg | SW 219° 6.5 (9.11) m/s | 5.2 |
| 14:00 | Sunny | 12 °C | 1% | 5% | 36% | 767 mm Hg | SW 220° 7 (9.92) m/s | 4.6 |
| 15:00 | Sunny | 12 °C | 2% | 25% | 34% | 767 mm Hg | SW 220° 6.81 (9.92) m/s | 3.4 |
| 16:00 |  Cloudy | 12 °C | 6% | 71% | 33% | 767 mm Hg | SW 221° 7.11 (9.75) m/s | 1.9 |
| 17:00 |  Overcast | 12 °C | 10% | 100% | 34% | 767 mm Hg | SW 219° 6.5 (9.39) m/s | 0.7 |
| 18:00 | Overcast | 12 °C | 9% | 93% | 39% | 768 mm Hg | SSW 212° 5.89 (8.42) m/s | 0.2 |
| 19:00 |  Partly cloudy | 11 °C | 5% | 62% | 41% | 768 mm Hg | SSW 208° 5.11 (8.53) m/s | 0 |
| 20:00 |  Patchy rain possible | 10 °C | 8% (0.01 mm/hr) | 77% | 46% | 769 mm Hg | SSW 198° 5.11 (8.22) m/s | 0 |
| 21:00 | Clear | 9 °C | 2% | 2% | 51% | 770 mm Hg | SSW 193° 5.11 (8.89) m/s | 0 |
| 22:00 | Clear | 9 °C | 3% | 4% | 54% | 770 mm Hg | SSW 202° 5.19 (9.31) m/s | 0 |
| 23:00 | Clear | 8 °C | 3% | 5% | 56% | 770 mm Hg | SSW 206° 5.39 (9.11) m/s | 0 |
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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.