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
| 16 March 2026 Mon 2.2 ° C ( 36°F )  Overcast |
Feels Like : -3.9 ° C / 25°F Humidity : % 82 Pressure : 1002 mb Wind Speed : 33.1 kmph / 20.6 miles from WNW 
Visibility : 16 km Precipitation (rainfall) : 0.28 mm Cloud (%) : 100 |
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 |
|---|---|---|---|---|---|---|---|
| 15 March 2026 Sun |  Moderate rain |
1.8 ° C | 20.1 ° C | 12.4 ° C | % 79 | 36 km/h | 84% |
| 16 March 2026 Mon |  Patchy moderate snow |
-5.9 ° C | 3.7 ° C | -1.7 ° C | % 66 | 37.4 km/h | 65% |
| 17 March 2026 Tue |  Light freezing rain |
-6.2 ° C | 3.7 ° C | -1.1 ° C | % 45 | 23.4 km/h | 81% |
| 18 March 2026 Wed |  Cloudy |
2.6 ° C | 20.3 ° C | 10.2 ° C | % 60 | 22.7 km/h | 0% |
| 19 March 2026 Thu |  Partly Cloudy |
6.2 ° C | 23.9 ° C | 14.4 ° C | % 67 | 15.5 km/h | 0% |
| 20 March 2026 Fri |  Sunny |
10.8 ° C | 25.3 ° C | 15.7 ° C | % 70 | 10.1 km/h | 0% |
| 21 March 2026 Sat | Sunny |
16.5 ° C | 26.6 ° C | 20.9 ° C | % 53 | 15.8 km/h | 0% |
| 22 March 2026 Sun | Sunny |
9.2 ° C | 16.7 ° C | 14.7 ° C | % 55 | 27 km/h | 0% |
| 23 March 2026 Mon |  Patchy rain nearby |
2.1 ° C | 3 ° C | 3 ° C | % 58 | 20.9 km/h | 76% |
| 24 March 2026 Tue | Patchy rain nearby |
2.6 ° C | 5.5 ° C | 3.8 ° C | % 83 | 13.7 km/h | 83% |
| 25 March 2026 Wed | Moderate rain |
4.9 ° C | 13.7 ° C | 9.2 ° C | % 92 | 22 km/h | 85% |
| 26 March 2026 Thu | Patchy rain nearby |
16.5 ° C | 23.9 ° C | 19.8 ° C | % 61 | 29.2 km/h | 67% |
| 27 March 2026 Fri | Sunny |
4.5 ° C | 11.8 ° C | 8.6 ° C | % 52 | 20.5 km/h | 0% |
| 28 March 2026 Sat | Partly Cloudy |
6.7 ° C | 17 ° C | 11.2 ° C | % 52 | 22.3 km/h | 0% |
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