Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Fair
45°F
7°C
| Humidity | 77% |
| Wind Speed | Calm |
| Barometer | 30.46 in (1031.5 mb) |
| Dewpoint | 38°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 18 Oct 3:51 am CDT |
Extended Forecast for
Saint Louis MO
Today
High: 69 °F
Patchy Fog
then SunnyTonight
Low: 42 °F
Clear
Monday
High: 72 °F
Sunny
Monday Night
Low: 44 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 48 °F
Mostly Clear
Wednesday
High: 77 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear
Thursday
High: 80 °F
Sunny
Detailed Forecast
Today
Patchy fog between 7am and 9am. Otherwise, sunny, with a high near 69. Calm wind becoming south around 6 mph in the morning.
Tonight
Clear, with a low around 42. Light and variable wind.
Monday
Sunny, with a high near 72. Calm wind.
Monday Night
Mostly clear, with a low around 44. Calm wind.
Tuesday
Sunny, with a high near 74. Calm wind.
Tuesday Night
Mostly clear, with a low around 48.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 80.
Thursday Night
Clear, with a low around 51.
Friday
Sunny, with a high near 80.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 80.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
Saint Louis MO
38.62°N 90.26°W (Elev. 486 ft)
38.62°N 90.26°W (Elev. 486 ft)
3:16 am CDT Oct 18, 2026
4am CDT Oct 18, 2026-6pm CDT Oct 24, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
