5-day weather forecast Buenos Aires Sep 25, 2026
24°Weather forecast Buenos Aires tomorrow Sep 25, 2026: overcast, temperature from 15 °C to 24 °C.
Precipitation probability 22%. Wind up to 4.31 m/s (gusts 12.39 m/s). Air humidity 43–79%, atmospheric pressure 755–759 mm Hg, UV index up to 8.1.
5 days at a glance — tap a day to open it
Sunrise 06:38
Sunset 18:51
Sunset 18:51
Full Moon100% illuminated
Moonrise 18:10 · Moonset 05:58
Moonrise 18:10 · Moonset 05:58
Chart
Table
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Overcast | 16 °C | 22% | 100% | 76% | 756 mm Hg | N 355° 4.19 (11.72) m/s | 0 |
| 01:00 | Overcast | 16 °C | 20% | 94% | 76% | 756 mm Hg | NNW 341° 4.31 (12.31) m/s | 0 |
| 02:00 | Overcast | 16 °C | 22% | 100% | 76% | 756 mm Hg | NNW 341° 4.19 (12.22) m/s | 0 |
| 03:00 | Overcast | 16 °C | 21% | 100% | 76% | 755 mm Hg | NNW 344° 4.11 (12.39) m/s | 0 |
| 04:00 |  Clear | 16 °C | 9% | 23% | 75% | 756 mm Hg | NNW 334° 4 (12.14) m/s | 0 |
| 05:00 | Overcast | 15 °C | 22% | 100% | 76% | 756 mm Hg | NNW 332° 3.31 (10.42) m/s | 0 |
| 06:00 | Clear | 15 °C | 10% | 17% | 78% | 756 mm Hg | NW 324° 3 (10.14) m/s | 0 |
| 07:00 | Overcast | 15 °C | 21% | 91% | 79% | 757 mm Hg | WNW 293° 2.61 (9.14) m/s | 0 |
| 08:00 | Overcast | 15 °C | 21% | 100% | 74% | 758 mm Hg | W 280° 2.31 (6.81) m/s | 0.5 |
| 09:00 | Overcast | 17 °C | 17% | 100% | 67% | 758 mm Hg | WNW 299° 2.31 (4.22) m/s | 1.7 |
| 10:00 | Overcast | 19 °C | 15% | 100% | 61% | 758 mm Hg | W 267° 2.11 (3.81) m/s | 3.6 |
| 11:00 | Overcast | 21 °C | 13% | 100% | 55% | 758 mm Hg | WSW 245° 2 (3.89) m/s | 5.5 |
| 12:00 | Overcast | 23 °C | 11% | 100% | 48% | 758 mm Hg | WSW 241° 0.81 (2.75) m/s | 7.2 |
| 13:00 | Overcast | 23 °C | 10% | 100% | 43% | 757 mm Hg | E 98° 1.5 (2.83) m/s | 8.1 |
| 14:00 |  Sunny | 23 °C | 1% | 5% | 44% | 757 mm Hg | E 85° 2.31 (3.03) m/s | 7.1 |
| 15:00 | Overcast | 24 °C | 10% | 98% | 43% | 756 mm Hg | ENE 74° 2.31 (2.53) m/s | 5.4 |
| 16:00 | Overcast | 24 °C | 9% | 93% | 44% | 756 mm Hg | E 89° 2 (2.53) m/s | 3.1 |
| 17:00 | Overcast | 23 °C | 9% | 88% | 46% | 757 mm Hg | E 101° 2 (2.31) m/s | 1.4 |
| 18:00 | Overcast | 22 °C | 11% | 96% | 48% | 757 mm Hg | ESE 103° 2.39 (3.5) m/s | 0.4 |
| 19:00 |  Smoky haze | 21 °C | 12% | 92% | 56% | 758 mm Hg | ESE 117° 2.19 (2.22) m/s | 0 |
| 20:00 | Smoky haze | 20 °C | 7% | 54% | 58% | 758 mm Hg | ESE 116° 1.89 (2) m/s | 0 |
| 21:00 | Smoky haze | 20 °C | 14% | 100% | 58% | 758 mm Hg | SE 141° 1.81 (1.92) m/s | 0 |
| 22:00 | Smoky haze | 19 °C | 14% | 100% | 59% | 759 mm Hg | ESE 116° 1.89 (1.92) m/s | 0 |
| 23:00 | Overcast | 19 °C | 14% | 100% | 59% | 759 mm Hg | SE 143° 2.31 (2.31) 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.