Current conditions at
St. Louis Lambert International Airport (KSTL)
Lat: 38.75°NLon: 90.37°WElev: 604ft.
Mostly Cloudy
48°F
9°C
| Humidity | 74% |
| Wind Speed | N 9 mph |
| Barometer | 30.47 in (1032.1 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 44°F (7°C) |
| Last update | 17 Oct 1:51 am CDT |
Extended Forecast for
Frontenac MO
Overnight
Low: 41 °F
Mostly Clear
Saturday
High: 61 °F
Sunny
Saturday Night
Low: 39 °F
Clear
Sunday
High: 66 °F
Patchy Frost
then SunnySunday Night
Low: 40 °F
Clear
Monday
High: 71 °F
Sunny
Monday Night
Low: 45 °F
Mostly Clear
Tuesday
High: 74 °F
Sunny
Tuesday Night
Low: 47 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 41. North wind around 9 mph.
Saturday
Sunny, with a high near 61. North wind around 6 mph becoming calm in the afternoon.
Saturday Night
Clear, with a low around 39. Light and variable wind.
Sunday
Patchy frost before 8am. Otherwise, sunny, with a high near 66. Southeast wind 3 to 6 mph.
Sunday Night
Clear, with a low around 40. Light south wind.
Monday
Sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 45.
Tuesday
Sunny, with a high near 74.
Tuesday Night
Mostly clear, with a low around 47.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 82.
Thursday Night
Mostly clear, with a low around 54.
Friday
Sunny, with a high near 83.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Frontenac MO
38.65°N 90.4°W (Elev. 558 ft)
38.65°N 90.4°W (Elev. 558 ft)
2:01 am CDT Oct 17, 2026
2am CDT Oct 17, 2026-6pm CDT Oct 23, 2026
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