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
| 29 July 2026 Wed 29.1 ° C ( 84.4°F )  Partly cloudy |
Feels Like : 28.6 ° C / 83.6°F Humidity : % 52 Pressure : 995 mb Wind Speed : 14.4 kmph / 8.9 miles from NE 
Visibility : 16.1 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 |
|---|---|---|---|---|---|---|---|
| 29 July 2026 Wed |  Sunny |
20.6 ° C | 34.4 ° C | 26.9 ° C | % 62 | 14.4 km/h | 3% |
| 30 July 2026 Thu | Sunny |
19.3 ° C | 30.9 ° C | 25.2 ° C | % 58 | 15.1 km/h | 4% |
| 31 July 2026 Fri |  Patchy rain nearby |
21.9 ° C | 30 ° C | 24.9 ° C | % 67 | 22.7 km/h | 71% |
| 01 August 2026 Sat | Patchy rain nearby |
19.2 ° C | 22.3 ° C | 21 ° C | % 95 | 23.4 km/h | 90% |
| 02 August 2026 Sun | Sunny |
18.5 ° C | 27.6 ° C | 22.3 ° C | % 74 | 20.5 km/h | 13% |
| 03 August 2026 Mon | Sunny |
17.2 ° C | 28.7 ° C | 23 ° C | % 69 | 12.6 km/h | 5% |
| 04 August 2026 Tue | Sunny |
19.3 ° C | 31 ° C | 25 ° C | % 68 | 15.1 km/h | 6% |
| 05 August 2026 Wed | Partly Cloudy |
22.9 ° C | 33.5 ° C | 28 ° C | % 65 | 16.6 km/h | 6% |
| 06 August 2026 Thu | Sunny |
24.8 ° C | 38.6 ° C | 30.9 ° C | % 51 | 15.1 km/h | 36% |
| 07 August 2026 Fri | Sunny |
24.3 ° C | 38.6 ° C | 31.6 ° C | % 49 | 21.2 km/h | 57% |
| 08 August 2026 Sat | Sunny |
27.4 ° C | 37 ° C | 32.2 ° C | % 47 | 21.2 km/h | 17% |
| 09 August 2026 Sun | Partly Cloudy |
24.3 ° C | 30.2 ° C | 26.7 ° C | % 70 | 14 km/h | 57% |
| 10 August 2026 Mon | Sunny |
23.6 ° C | 36.8 ° C | 29.4 ° C | % 59 | 13.3 km/h | 57% |
| 11 August 2026 Tue | Sunny |
25.2 ° C | 39.4 ° C | 32.1 ° C | % 52 | 16.9 km/h | 5% |
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