Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
A Few Clouds
86°F
30°C
| Humidity | 32% |
| Wind Speed | E 7 mph |
| Barometer | 30.13 in (1019.3 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Heat Index | 84°F (29°C) |
| Last update | 29 Sep 5:51 pm CDT |
Extended Forecast for
Clayton MO
Tonight
Low: 65 °F
Mostly Clear
Tuesday
High: 89 °F
Sunny
Tuesday Night
Low: 62 °F
Partly Cloudy
Wednesday
High: 87 °F
Partly Sunny
Wednesday Night
Low: 64 °F
Mostly Cloudy
Thursday
High: 88 °F
Sunny
Thursday Night
Low: 64 °F
Mostly Clear
Friday
High: 88 °F
Sunny
Friday Night
Low: 65 °F
Clear
Detailed Forecast
Tonight
Mostly clear, with a low around 65. Light and variable wind.
Tuesday
Sunny, with a high near 89. Calm wind becoming northeast around 6 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 62. Light east wind.
Wednesday
Partly sunny, with a high near 87. Calm wind becoming east around 6 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 64. Light southeast wind.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 64.
Friday
Sunny, with a high near 88.
Friday Night
Clear, with a low around 65.
Saturday
Sunny, with a high near 87.
Saturday Night
Mostly clear, with a low around 64.
Sunday
Sunny, with a high near 86.
Sunday Night
Mostly clear, with a low around 65.
Monday
Sunny, with a high near 87.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Clayton MO
38.64°N 90.32°W (Elev. 558 ft)
38.64°N 90.32°W (Elev. 558 ft)
4:56 pm CDT Sep 29, 2025
6pm CDT Sep 29, 2025-6pm CDT Oct 6, 2025
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
