Current conditions at

St. Louis Lambert International Airport (KSTL)

Lat: 38.75°NLon: 90.37°WElev: 604ft.

A Few Clouds

67°F

19°C

Humidity 73%
Wind Speed NE 6 mph
Barometer 30.30 in (1024.9 mb)
Dewpoint 58°F (14°C)
Visibility 8.00 mi
Last update 2 Aug 1:51 am CDT
Extended Forecast for

Clayton MO

  • Overnight

    Overnight: Partly cloudy, with a low around 62. Northeast wind around 6 mph.

    Low: 62 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 81. Northeast wind 5 to 10 mph.

    High: 81 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 61. Northeast wind 3 to 8 mph.

    Low: 61 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 82. Northeast wind 3 to 7 mph.

    High: 82 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 65. Northeast wind around 6 mph becoming calm  in the evening.

    Low: 65 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 83.

    High: 83 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 20 percent chance of showers and thunderstorms after 1pm.  Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 69.

    Low: 69 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 62. Northeast wind around 6 mph.
Saturday
Mostly sunny, with a high near 81. Northeast wind 5 to 10 mph.
Saturday Night
Partly cloudy, with a low around 61. Northeast wind 3 to 8 mph.
Sunday
Sunny, with a high near 82. Northeast wind 3 to 7 mph.
Sunday Night
Partly cloudy, with a low around 65. Northeast wind around 6 mph becoming calm in the evening.
Monday
Partly sunny, with a high near 83.
Monday Night
Partly cloudy, with a low around 68.
Tuesday
A 20 percent chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 69.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 71.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 73.
Friday
Sunny, with a high near 93.
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ABOUT THIS FORECAST

 
Point Forecast:
Clayton MO
 38.64°N 90.34°W (Elev. 522 ft)
2:31 am CDT Aug 2, 2025
2am CDT Aug 2, 2025-6pm CDT Aug 8, 2025
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database