Chillan Airport (YAI) 15 Day Weather Forecast, Chillan Chile
Current weather conditions and 15 day weather forecast for Chillan Airport in Chillan, Chile including weather daily high/low temperature, warnings, chance of precipitation, pressure, humidity/wind chill, rain, wind speed, cloud, pressure, and UV index.
Current weather conditions at YAI
| 15 September 2026 Tue 9.1 ° C ( 48.3°F )  Overcast |
Feels Like : 7.3 ° C / 45.1°F Humidity : % 91 Pressure : 1018 mb Wind Speed : 11.2 kmph / 6.9 miles from SW 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 100 |
15-day weather forecast for Chillan Airport, Chillan, Chile
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 15 September 2026 Tue | Overcast |
7.1 ° C | 19.8 ° C | 12.7 ° C | % 78 | 14 km/h | 15% |
| 16 September 2026 Wed |  Sunny |
10.6 ° C | 19.8 ° C | 14.4 ° C | % 77 | 14.4 km/h | 11% |
| 17 September 2026 Thu | Overcast |
7.7 ° C | 20.2 ° C | 13.6 ° C | % 80 | 12.2 km/h | 14% |
| 18 September 2026 Fri | Overcast |
11.3 ° C | 20.1 ° C | 15.2 ° C | % 81 | 7.9 km/h | 16% |
| 19 September 2026 Sat | Overcast |
11.2 ° C | 19.8 ° C | 15.1 ° C | % 78 | 16.9 km/h | 19% |
| 20 September 2026 Sun |  Light rain |
9.6 ° C | 13.2 ° C | 11.1 ° C | % 81 | 30.2 km/h | 88% |
| 21 September 2026 Mon | Overcast |
11.4 ° C | 16.7 ° C | 13.9 ° C | % 89 | 15.1 km/h | 54% |
| 22 September 2026 Tue | Overcast |
12.6 ° C | 18.2 ° C | 15.2 ° C | % 85 | 5.8 km/h | 27% |
| 23 September 2026 Wed | Overcast |
12.6 ° C | 16.9 ° C | 14.6 ° C | % 86 | 18.4 km/h | 87% |
| 24 September 2026 Thu |  Light rain shower |
12.4 ° C | 15.9 ° C | 13.5 ° C | % 92 | 23.4 km/h | 92% |
| 25 September 2026 Fri | Light rain shower |
12.5 ° C | 14.4 ° C | 13.4 ° C | % 96 | 27 km/h | 94% |
| 26 September 2026 Sat | Light rain shower |
11.3 ° C | 17.1 ° C | 14.3 ° C | % 90 | 22.7 km/h | 89% |
| 27 September 2026 Sun | Sunny |
9.7 ° C | 17.7 ° C | 12.7 ° C | % 84 | 12.2 km/h | 62% |
| 28 September 2026 Mon | Sunny |
9 ° C | 16.8 ° C | 12 ° C | % 83 | 17.3 km/h | 14% |
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