Alton Airport (ALN) 15 Day Weather Forecast, Alton United States
Current weather conditions and 15 day weather forecast for Alton Airport in Alton, United States 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 ALN
| 23 October 2026 Fri 22.8 ° C ( 73.1°F )  Sunny |
Feels Like : 20.4 ° C / 68.7°F Humidity : % 39 Pressure : 1024 mb Wind Speed : 10.4 kmph / 6.5 miles from SSE 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 1 |
15-day weather forecast for Alton Airport, Alton, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 23 October 2026 Fri | Sunny |
11.4 ° C | 24.2 ° C | 17.3 ° C | % 51 | 13 km/h | 2% |
| 24 October 2026 Sat |  Overcast |
10.9 ° C | 23.9 ° C | 16.9 ° C | % 48 | 13.3 km/h | 7% |
| 25 October 2026 Sun | Overcast |
11.5 ° C | 24.6 ° C | 17.7 ° C | % 45 | 12.2 km/h | 8% |
| 26 October 2026 Mon | Overcast |
13.5 ° C | 23.8 ° C | 18.3 ° C | % 48 | 11.9 km/h | 10% |
| 27 October 2026 Tue | Overcast |
12.9 ° C | 21.3 ° C | 17.3 ° C | % 54 | 13.7 km/h | 12% |
| 28 October 2026 Wed | Sunny |
13.6 ° C | 24.2 ° C | 18.5 ° C | % 57 | 15.8 km/h | 17% |
| 29 October 2026 Thu |  Partly Cloudy |
11.8 ° C | 19 ° C | 15.5 ° C | % 60 | 12.6 km/h | 36% |
| 30 October 2026 Fri | Partly Cloudy |
8.4 ° C | 15.8 ° C | 12.3 ° C | % 72 | 7.6 km/h | 45% |
| 31 October 2026 Sat |  Cloudy |
11.1 ° C | 16.6 ° C | 14.1 ° C | % 63 | 11.9 km/h | 63% |
| 01 November 2026 Sun |  Light rain shower |
13.2 ° C | 20.4 ° C | 16.4 ° C | % 65 | 9 km/h | 69% |
| 02 November 2026 Mon | Overcast |
10.9 ° C | 19.8 ° C | 15.3 ° C | % 75 | 15.1 km/h | 76% |
| 03 November 2026 Tue |  Patchy rain nearby |
15.1 ° C | 22.3 ° C | 18.3 ° C | % 75 | 16.6 km/h | 73% |
| 04 November 2026 Wed | Partly Cloudy |
13.9 ° C | 19 ° C | 16.3 ° C | % 79 | 15.1 km/h | 59% |
| 05 November 2026 Thu | Partly Cloudy |
10.5 ° C | 19.1 ° C | 14.5 ° C | % 67 | 7.2 km/h | 7% |
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