Lambert-St. Louis International Airport (STL) 15 Day Weather Forecast, Saint Louis United States
Current weather conditions and 15 day weather forecast for Lambert-St. Louis International Airport in Saint Louis, 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 STL
| 03 October 2026 Sat 12.7 ° C ( 54.9°F )  Sunny |
Feels Like : 10.5 ° C / 50.9°F Humidity : % 63 Pressure : 1025 mb Wind Speed : 9.4 kmph / 5.8 miles from E 
Visibility : 10 km Precipitation (rainfall) : 0 mm Cloud (%) : 0 |
15-day weather forecast for Lambert-St. Louis International Airport, Saint Louis, United States
| Date | Weather forecast | Low temperature | High temperature | Average Temperature | Humidity | Wind | Chance of rain |
|---|---|---|---|---|---|---|---|
| 03 October 2026 Sat | Sunny |
11.3 ° C | 25 ° C | 17.9 ° C | % 42 | 12.6 km/h | 4% |
| 04 October 2026 Sun | Sunny |
14.5 ° C | 26.5 ° C | 20.2 ° C | % 39 | 14.4 km/h | 2% |
| 05 October 2026 Mon | Sunny |
13.3 ° C | 25.4 ° C | 19 ° C | % 52 | 11.2 km/h | 2% |
| 06 October 2026 Tue | Sunny |
14.1 ° C | 27.1 ° C | 20.2 ° C | % 35 | 11.5 km/h | 1% |
| 07 October 2026 Wed | Sunny |
16.7 ° C | 30.2 ° C | 23.1 ° C | % 36 | 11.5 km/h | 1% |
| 08 October 2026 Thu | Sunny |
19.2 ° C | 30.1 ° C | 24.5 ° C | % 56 | 10.1 km/h | 4% |
| 09 October 2026 Fri | Sunny |
20.8 ° C | 32.6 ° C | 26 ° C | % 40 | 12.6 km/h | 1% |
| 10 October 2026 Sat | Sunny |
20.7 ° C | 32.4 ° C | 26.2 ° C | % 36 | 20.5 km/h | 1% |
| 11 October 2026 Sun |  Overcast |
19.8 ° C | 24.3 ° C | 22.3 ° C | % 58 | 22 km/h | 10% |
| 12 October 2026 Mon | Sunny |
14.2 ° C | 30.8 ° C | 23.2 ° C | % 71 | 28.8 km/h | 36% |
| 13 October 2026 Tue | Sunny |
10.4 ° C | 22.1 ° C | 16 ° C | % 56 | 16.6 km/h | 3% |
| 14 October 2026 Wed |  Patchy rain nearby |
15.4 ° C | 22.2 ° C | 18.4 ° C | % 71 | 16.9 km/h | 58% |
| 15 October 2026 Thu | Overcast |
9.8 ° C | 19.1 ° C | 15.1 ° C | % 60 | 17.3 km/h | 10% |
| 16 October 2026 Fri |  Light rain |
13.2 ° C | 19.3 ° C | 17.6 ° C | % 89 | 28.4 km/h | 91% |
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