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 May 2026 Thu 16.1 ° C ( 61°F )  Sunny |
Feels Like : 16.1 ° C / 61°F Humidity : % 52 Pressure : 1021 mb Wind Speed : 10.8 kmph / 6.7 miles from SE 
Visibility : 16 km Precipitation (rainfall) : 0 mm Cloud (%) : 25 |
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 May 2026 Thu | Sunny |
8.8 ° C | 26.5 ° C | 17.7 ° C | % 46 | 18.7 km/h | 0% |
| 15 May 2026 Fri |  Moderate rain |
13.1 ° C | 29.6 ° C | 20.9 ° C | % 62 | 24.8 km/h | 90% |
| 16 May 2026 Sat |  Thundery outbreaks in nearby |
19.9 ° C | 29.6 ° C | 25 ° C | % 65 | 26.6 km/h | 0% |
| 17 May 2026 Sun | Sunny |
20.5 ° C | 31.4 ° C | 25.6 ° C | % 56 | 27 km/h | 0% |
| 18 May 2026 Mon | Thundery outbreaks in nearby |
21.6 ° C | 31 ° C | 26.3 ° C | % 61 | 30.6 km/h | 0% |
| 19 May 2026 Tue |  Partly Cloudy |
15.7 ° C | 20.7 ° C | 20.7 ° C | % 65 | 25.9 km/h | 0% |
| 20 May 2026 Wed | Sunny |
12.7 ° C | 24.4 ° C | 18.5 ° C | % 52 | 13.7 km/h | 0% |
| 21 May 2026 Thu |  Patchy rain nearby |
15.3 ° C | 22.4 ° C | 18.5 ° C | % 85 | 18.7 km/h | 85% |
| 22 May 2026 Fri | Sunny |
13 ° C | 23.1 ° C | 17.9 ° C | % 69 | 14.8 km/h | 0% |
| 23 May 2026 Sat | Sunny |
14 ° C | 24.2 ° C | 18.7 ° C | % 60 | 17.6 km/h | 0% |
| 24 May 2026 Sun | Sunny |
14 ° C | 25.1 ° C | 19.1 ° C | % 58 | 19.4 km/h | 0% |
| 25 May 2026 Mon | Patchy rain nearby |
15.4 ° C | 29.6 ° C | 22.1 ° C | % 59 | 14 km/h | 71% |
| 26 May 2026 Tue | Patchy rain nearby |
15.2 ° C | 29.6 ° C | 23.9 ° C | % 77 | 20.5 km/h | 85% |
| 27 May 2026 Wed | Partly Cloudy |
21.5 ° C | 33.4 ° C | 26.5 ° C | % 72 | 18 km/h | 0% |
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