Current conditions at
St. Louis Downtown Airport (KCPS)
Lat: 38.56°NLon: 90.15°WElev: 410ft.
Fair
60°F
16°C
| Humidity | 86% |
| Wind Speed | N 5 mph |
| Barometer | 30.23 in (1023.3 mb) |
| Dewpoint | 56°F (13°C) |
| Visibility | 10.00 mi |
| Last update | 7 Oct 10:53 pm CDT |
Extended Forecast for
Herculaneum MO
Tonight
Low: 49 °F
Mostly Clear
Wednesday
High: 74 °F
Sunny
Wednesday Night
Low: 40 °F
Clear
Thursday
High: 72 °F
Sunny
Thursday Night
Low: 39 °F
Clear
Friday
High: 76 °F
Sunny
Friday Night
Low: 50 °F
Partly Cloudy
Saturday
High: 80 °F
Mostly Sunny
Saturday Night
Low: 52 °F
Partly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 49. North wind around 6 mph.
Wednesday
Sunny, with a high near 74. Light north wind becoming northeast 5 to 10 mph in the morning.
Wednesday Night
Clear, with a low around 40. Northeast wind around 6 mph becoming calm after midnight.
Thursday
Sunny, with a high near 72. Calm wind becoming east around 6 mph in the morning.
Thursday Night
Clear, with a low around 39. Calm wind.
Friday
Sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 80.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Sunny, with a high near 83.
Sunday Night
Mostly clear, with a low around 55.
Columbus Day
Sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 57.
Tuesday
Mostly sunny, with a high near 82.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Herculaneum MO
38.25°N 90.39°W (Elev. 499 ft)
38.25°N 90.39°W (Elev. 499 ft)
9:51 pm CDT Oct 7, 2025
11pm CDT Oct 7, 2025-6pm CDT Oct 14, 2025
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