National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

60°F

16°C

Humidity 35%
Wind Speed SE 16 mph
Barometer 30.17 in (1021.5 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 6 Nov 10:51 am CST
Extended Forecast for

Clayton MO

  • Today

    Today: Sunny, with a high near 65. Southeast wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 65 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 56. Southeast wind 8 to 10 mph becoming southwest after midnight.

    Low: 56 °F

    Increasing
    Clouds

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 72. West wind 7 to 10 mph, with gusts as high as 20 mph.

    High: 72 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 46. West wind around 6 mph becoming calm in the evening.

    Low: 46 °F

    Mostly Clear

  • Saturday

    Saturday: A 20 percent chance of rain after noon. Partly sunny, with a high near 67. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.

    High: 67 °F

    Partly Sunny
    then Slight
    Chance Rain

  • Saturday Night

    Saturday Night: A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 35.

    Low: 35 °F

    Slight Chance
    Rain then
    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 26.

    Low: 26 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 43.

    High: 43 °F

    Sunny

Detailed Forecast

Today
Sunny, with a high near 65. Southeast wind 10 to 14 mph, with gusts as high as 25 mph.
Tonight
Increasing clouds, with a low around 56. Southeast wind 8 to 10 mph becoming southwest after midnight.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 72. West wind 7 to 10 mph, with gusts as high as 20 mph.
Friday Night
Mostly clear, with a low around 46. West wind around 6 mph becoming calm in the evening.
Saturday
A 20 percent chance of rain after noon. Partly sunny, with a high near 67. Light and variable wind becoming south 5 to 10 mph in the morning. Winds could gust as high as 20 mph.
Saturday Night
A 20 percent chance of rain before midnight. Mostly cloudy, with a low around 35.
Sunday
Mostly sunny, with a high near 42.
Sunday Night
Mostly clear, with a low around 26.
Monday
Sunny, with a high near 43.
Monday Night
Mostly clear, with a low around 29.
Veterans Day
Mostly sunny, with a high near 60.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 64.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Clayton MO
 38.64°N 90.32°W (Elev. 558 ft)
Last Update:
10:41 am CST Nov 6, 2025
Forecast Valid:
11am CST Nov 6, 2025-6pm CST Nov 12, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation