5-day weather forecast Buenos Aires Oct 18, 2026
16°Weather forecast Buenos Aires Sunday Oct 18, 2026: sunny, temperature from 9 °C to 16 °C.
Precipitation probability 11%. Wind up to 5.31 m/s (gusts 9.5 m/s). Air humidity 47–86%, atmospheric pressure 766–768 mm Hg, UV index up to 6.
5 days at a glance — tap a day to open it
Sunrise 06:07
Sunset 19:09
Sunset 19:09
First Quarter58% illuminated
Moonrise 12:09 · Moonset 02:06
Moonrise 12:09 · Moonset 02:06
Chart
Table
Sun, Oct 18, 2026
| Time | Weather | Temperature | Rain chance | Cloud cover | Humidity | Pressure | Wind | UV Index |
|---|---|---|---|---|---|---|---|---|
| 00:00 |  Clear | 11 °C | 10% | 1% | 83% | 767 mm Hg | S 173° 2.89 (4.83) m/s | 0 |
| 01:00 | Clear | 10 °C | 11% | 0% | 85% | 767 mm Hg | S 180° 3 (4.81) m/s | 0 |
| 02:00 | Clear | 10 °C | 11% | 0% | 86% | 767 mm Hg | S 186° 2.89 (4.42) m/s | 0 |
| 03:00 | Clear | 10 °C | 11% | 0% | 84% | 767 mm Hg | S 189° 2.89 (4.5) m/s | 0 |
| 04:00 | Clear | 9 °C | 10% | 0% | 81% | 766 mm Hg | S 187° 2.81 (4.5) m/s | 0 |
| 05:00 | Clear | 9 °C | 9% | 0% | 79% | 766 mm Hg | S 182° 2.81 (4.5) m/s | 0 |
| 06:00 | Clear | 9 °C | 9% | 0% | 78% | 767 mm Hg | S 174° 2.89 (4.94) m/s | 0 |
| 07:00 | Sunny | 9 °C | 8% | 0% | 75% | 767 mm Hg | SSE 168° 3 (5.61) m/s | 0.2 |
| 08:00 | Sunny | 11 °C | 5% | 0% | 66% | 767 mm Hg | SSE 161° 3 (4.81) m/s | 0.8 |
| 09:00 | Sunny | 13 °C | 3% | 0% | 59% | 768 mm Hg | SSE 159° 3 (3.33) m/s | 2.3 |
| 10:00 | Sunny | 14 °C | 3% | 2% | 53% | 767 mm Hg | SSE 150° 2.69 (2.75) m/s | 5 |
| 11:00 | Sunny | 15 °C | 2% | 1% | 49% | 767 mm Hg | SE 125° 2.39 (2.61) m/s | 5 |
| 12:00 | Sunny | 15 °C | 2% | 2% | 47% | 767 mm Hg | E 100° 2.81 (3.19) m/s | 6 |
| 13:00 | Sunny | 16 °C | 2% | 3% | 48% | 767 mm Hg | E 79° 3.39 (3.42) m/s | 6 |
| 14:00 | Sunny | 16 °C | 2% | 9% | 50% | 767 mm Hg | ENE 63° 3.89 (6.89) m/s | 6 |
| 15:00 | Sunny | 16 °C | 2% | 2% | 51% | 766 mm Hg | ENE 61° 4.5 (9.5) m/s | 6 |
| 16:00 | Sunny | 15 °C | 3% | 9% | 53% | 766 mm Hg | ENE 77° 5.31 (8.31) m/s | 6 |
| 17:00 | Sunny | 15 °C | 4% | 15% | 57% | 766 mm Hg | E 88° 4.5 (4.61) m/s | 6 |
| 18:00 |  Partly cloudy | 15 °C | 8% | 54% | 61% | 766 mm Hg | E 91° 4.19 (4.81) m/s | 5 |
| 19:00 | Partly cloudy | 14 °C | 9% | 55% | 64% | 767 mm Hg | E 92° 4.19 (5.42) m/s | 5 |
| 20:00 | Clear | 14 °C | 5% | 15% | 62% | 767 mm Hg | E 92° 4.31 (5.61) m/s | 0 |
| 21:00 |  Partly cloudy | 14 °C | 6% | 26% | 64% | 767 mm Hg | E 91° 4 (5.89) m/s | 0 |
| 22:00 | Clear | 14 °C | 4% | 16% | 60% | 767 mm Hg | E 97° 3.81 (5.39) m/s | 0 |
| 23:00 | Clear | 14 °C | 4% | 4% | 61% | 767 mm Hg | E 100° 3.69 (5.33) m/s | 0 |
Sun, Oct 18, 2026
Buenos Aires on the map
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.