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
| 14 March 2026 Sat 3.9 ° C ( 39°F )  Partly cloudy |
Feels Like : 1 ° C / 33.8°F Humidity : % 62 Pressure : 1020 mb Wind Speed : 11.5 kmph / 7.2 miles from E 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 75 |
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 |
|---|---|---|---|---|---|---|---|
| 14 March 2026 Sat |  Sunny |
2.6 ° C | 19.2 ° C | 10.5 ° C | % 60 | 20.5 km/h | 0% |
| 15 March 2026 Sun |  Moderate rain |
4.2 ° C | 14.3 ° C | 11.9 ° C | % 88 | 32.4 km/h | 86% |
| 16 March 2026 Mon |  Moderate or heavy snow showers |
-6.5 ° C | -4.2 ° C | -3.7 ° C | % 79 | 39.2 km/h | 83% |
| 17 March 2026 Tue |  Light freezing rain |
-10.4 ° C | 0.5 ° C | -5.1 ° C | % 44 | 23 km/h | 63% |
| 18 March 2026 Wed | Partly Cloudy |
0.1 ° C | 16.9 ° C | 6.8 ° C | % 55 | 24.1 km/h | 0% |
| 19 March 2026 Thu |  Cloudy |
5.4 ° C | 17.5 ° C | 10.8 ° C | % 65 | 13.7 km/h | 0% |
| 20 March 2026 Fri | Partly Cloudy |
9.4 ° C | 14.7 ° C | 12.4 ° C | % 74 | 16.6 km/h | 0% |
| 21 March 2026 Sat | Sunny |
8.9 ° C | 24.1 ° C | 15.7 ° C | % 68 | 14 km/h | 0% |
| 22 March 2026 Sun | Sunny |
12.8 ° C | 25.9 ° C | 18.8 ° C | % 66 | 20.5 km/h | 0% |
| 23 March 2026 Mon | Sunny |
15.2 ° C | 31.4 ° C | 22.7 ° C | % 57 | 22.7 km/h | 0% |
| 24 March 2026 Tue |  Patchy rain nearby |
19.2 ° C | 29.1 ° C | 23.6 ° C | % 49 | 26.3 km/h | 87% |
| 25 March 2026 Wed | Patchy rain nearby |
8.7 ° C | 11.7 ° C | 10.6 ° C | % 85 | 19.4 km/h | 87% |
| 26 March 2026 Thu | Partly Cloudy |
8.7 ° C | 28.3 ° C | 18.4 ° C | % 68 | 26.6 km/h | 0% |
| 27 March 2026 Fri |  Heavy rain |
12.2 ° C | 20.4 ° C | 18.2 ° C | % 77 | 27.4 km/h | 85% |
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