5-day weather forecast Buenos Aires Sep 25, 2026
25°Weather forecast Buenos Aires Friday Sep 25, 2026: overcast, temperature from 15 °C to 25 °C.
Precipitation probability 19%. Wind up to 3.69 m/s (gusts 11.11 m/s). Air humidity 37–76%, atmospheric pressure 755–760 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 | 17 °C | 19% | 99% | 71% | 756 mm Hg | N 351° 3.69 (10.5) m/s | 0 |
| 01:00 | Overcast | 17 °C | 19% | 100% | 71% | 755 mm Hg | NNW 342° 3.61 (10.61) m/s | 0 |
| 02:00 |  Clear | 17 °C | 7% | 12% | 70% | 755 mm Hg | NNW 348° 3.39 (10.61) m/s | 0 |
| 03:00 | Clear | 16 °C | 6% | 0% | 71% | 755 mm Hg | NNW 337° 3.5 (10.83) m/s | 0 |
| 04:00 | Clear | 16 °C | 6% | 0% | 72% | 755 mm Hg | NNW 336° 3.5 (10.92) m/s | 0 |
| 05:00 | Clear | 16 °C | 7% | 0% | 73% | 755 mm Hg | NNW 335° 3.69 (11.11) m/s | 0 |
| 06:00 | Clear | 15 °C | 7% | 0% | 74% | 755 mm Hg | NW 310° 3.39 (10.42) m/s | 0 |
| 07:00 |  Sunny | 15 °C | 8% | 10% | 76% | 756 mm Hg | WNW 292° 2.69 (8.69) m/s | 0 |
| 08:00 | Overcast | 16 °C | 19% | 100% | 71% | 757 mm Hg | NW 305° 3.11 (7.03) m/s | 0.5 |
| 09:00 | Overcast | 18 °C | 16% | 100% | 64% | 758 mm Hg | W 278° 3.31 (5.81) m/s | 1.7 |
| 10:00 | Overcast | 20 °C | 13% | 100% | 57% | 758 mm Hg | W 279° 3.31 (5.53) m/s | 3.6 |
| 11:00 | Overcast | 22 °C | 11% | 100% | 47% | 758 mm Hg | W 259° 3.69 (5.92) m/s | 5.5 |
| 12:00 | Overcast | 23 °C | 10% | 100% | 42% | 757 mm Hg | SSW 209° 2.61 (4.61) m/s | 7.2 |
| 13:00 |  Cloudy | 24 °C | 8% | 85% | 41% | 757 mm Hg | SSW 204° 2.5 (4.5) m/s | 8.1 |
| 14:00 | Overcast | 25 °C | 10% | 100% | 38% | 757 mm Hg | S 188° 2.81 (4.81) m/s | 7.1 |
| 15:00 | Overcast | 25 °C | 10% | 100% | 37% | 756 mm Hg | S 172° 2.11 (3.81) m/s | 5.4 |
| 16:00 | Overcast | 25 °C | 10% | 100% | 38% | 756 mm Hg | S 172° 2.61 (4.19) m/s | 3.1 |
| 17:00 | Overcast | 24 °C | 10% | 100% | 41% | 757 mm Hg | S 172° 2.61 (4.31) m/s | 1.4 |
| 18:00 | Overcast | 23 °C | 11% | 100% | 45% | 758 mm Hg | S 178° 1.81 (4.5) m/s | 0.4 |
| 19:00 |  Smoky haze | 22 °C | 11% | 100% | 48% | 758 mm Hg | S 189° 1.89 (3) m/s | 0 |
| 20:00 | Smoky haze | 21 °C | 12% | 100% | 51% | 759 mm Hg | S 191° 2.5 (4.81) m/s | 0 |
| 21:00 | Smoky haze | 20 °C | 13% | 100% | 55% | 759 mm Hg | S 182° 2.61 (4.64) m/s | 0 |
| 22:00 | Smoky haze | 20 °C | 14% | 100% | 58% | 760 mm Hg | S 173° 2.69 (4.72) m/s | 0 |
| 23:00 | Overcast | 19 °C | 14% | 100% | 59% | 760 mm Hg | S 174° 2.69 (5.5) 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.