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
| 05 December 2025 Fri -12.2 ° C ( 10°F )  Sunny |
Feels Like : -15.7 ° C / 3.8°F Humidity : % 76 Pressure : 1019 mb Wind Speed : 5.4 kmph / 3.4 miles from S 
Visibility : 16 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 |
|---|---|---|---|---|---|---|---|
| 05 December 2025 Fri | Sunny |
-14.7 ° C | 4.9 ° C | -5.2 ° C | % 69 | 12.6 km/h | 0% |
| 06 December 2025 Sat |  Mist |
-0.5 ° C | 1.2 ° C | 0.7 ° C | % 91 | 14 km/h | 0% |
| 07 December 2025 Sun |  Freezing fog |
-5.1 ° C | 1.8 ° C | -0.2 ° C | % 94 | 18.7 km/h | 0% |
| 08 December 2025 Mon |  Partly Cloudy |
-6.2 ° C | -0.5 ° C | -3.4 ° C | % 67 | 14.4 km/h | 0% |
| 09 December 2025 Tue | Partly Cloudy |
-1.6 ° C | 6.1 ° C | 1.4 ° C | % 71 | 20.5 km/h | 0% |
| 10 December 2025 Wed |  Overcast |
5.1 ° C | 11.6 ° C | 8.6 ° C | % 68 | 23 km/h | 0% |
| 11 December 2025 Thu |  Patchy rain nearby |
-0.1 ° C | 3.7 ° C | 1.8 ° C | % 71 | 15.5 km/h | 74% |
| 12 December 2025 Fri | Sunny |
-2 ° C | 3.3 ° C | 0.2 ° C | % 58 | 9.7 km/h | 0% |
| 13 December 2025 Sat | Sunny |
-1.6 ° C | 5.1 ° C | 1.2 ° C | % 53 | 15.1 km/h | 0% |
| 14 December 2025 Sun | Sunny |
0.3 ° C | 9.8 ° C | 4.9 ° C | % 58 | 19.4 km/h | 0% |
| 15 December 2025 Mon | Patchy rain nearby |
10.2 ° C | 14.7 ° C | 12.9 ° C | % 92 | 20.2 km/h | 85% |
| 16 December 2025 Tue |  Fog |
12.3 ° C | 15.6 ° C | 14.1 ° C | % 93 | 17.3 km/h | 0% |
| 17 December 2025 Wed | Patchy rain nearby |
13.2 ° C | 18.9 ° C | 16.3 ° C | % 95 | 15.5 km/h | 77% |
| 18 December 2025 Thu | Partly Cloudy |
0.8 ° C | 5 ° C | 4.9 ° C | % 67 | 20.9 km/h | 0% |
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