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
| 03 November 2026 Tue 21.2 ° C ( 70.2°F )  Patchy rain nearby |
Feels Like : 16.1 ° C / 61°F Humidity : % 69 Pressure : 1010 mb Wind Speed : 35.3 kmph / 21.9 miles from SSE 
Visibility : 10 km Precipitation (rainfall) : 0.07 mm Cloud (%) : 81 |
15-day weather forecast for Alton Airport, Alton, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 November 2026 Tue | Patchy rain nearby |
15.9 ° C | 22.7 ° C | 19.3 ° C | % 80 | 36.7 km/h | 87% |
| 04 November 2026 Wed |  Overcast |
11.7 ° C | 18.5 ° C | 15.2 ° C | % 72 | 24.5 km/h | 41% |
| 05 November 2026 Thu |  Sunny |
8.4 ° C | 18.2 ° C | 12.3 ° C | % 65 | 27 km/h | 6% |
| 06 November 2026 Fri | Overcast |
5.7 ° C | 13.9 ° C | 9.8 ° C | % 71 | 17.3 km/h | 13% |
| 07 November 2026 Sat | Sunny |
3.6 ° C | 13.5 ° C | 8.2 ° C | % 61 | 10.8 km/h | 7% |
| 08 November 2026 Sun | Sunny |
6.3 ° C | 18.5 ° C | 11.5 ° C | % 72 | 10.4 km/h | 8% |
| 09 November 2026 Mon | Sunny |
8.6 ° C | 19.2 ° C | 13.7 ° C | % 65 | 14.8 km/h | 5% |
| 10 November 2026 Tue |  Partly Cloudy |
10.9 ° C | 18.6 ° C | 14 ° C | % 65 | 13 km/h | 7% |
| 11 November 2026 Wed | Partly Cloudy |
7.8 ° C | 16 ° C | 11.2 ° C | % 57 | 10.1 km/h | 6% |
| 12 November 2026 Thu | Sunny |
4.5 ° C | 12.7 ° C | 8.1 ° C | % 63 | 9.7 km/h | 5% |
| 13 November 2026 Fri | Sunny |
2.3 ° C | 12.1 ° C | 6.9 ° C | % 69 | 7.6 km/h | 6% |
| 14 November 2026 Sat | Sunny |
3.3 ° C | 13.8 ° C | 8.3 ° C | % 65 | 11.9 km/h | 6% |
| 15 November 2026 Sun | Sunny |
5.7 ° C | 16.1 ° C | 10.5 ° C | % 66 | 11.2 km/h | 6% |
| 16 November 2026 Mon | Partly Cloudy |
6.4 ° C | 17.2 ° C | 11.1 ° C | % 65 | 7.9 km/h | 41% |
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