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

St. Louis Downtown Airport (KCPS)

Lat: 38.56°NLon: 90.15°WElev: 410ft.

Mostly Cloudy

85°F

29°C

Humidity 51%
Wind Speed NE 8 mph
Barometer 30.00 in (1015.5 mb)
Dewpoint 65°F (18°C)
Visibility 10.00 mi
Heat Index87°F (31°C)
Last update 22 Aug 4:53 pm CDT
Extended Forecast for

Washington Park IL

  • Tonight

    Tonight: Patchy fog after 3am. Otherwise, mostly clear, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Increasing clouds, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the afternoon.

    High: 88 °F

    Increasing
    Clouds

  • Saturday Night

    Saturday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 61. North wind around 6 mph.

    Low: 61 °F

    Gradual
    Clearing

  • Sunday

    Sunday: Sunny, with a high near 80. Northwest wind 5 to 10 mph.

    High: 80 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 58. North wind 5 to 8 mph becoming calm in the evening.

    Low: 58 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 78.

    High: 78 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 53.

    Low: 53 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 3am. Otherwise, mostly clear, with a low around 65. Northeast wind around 5 mph becoming calm in the evening.
Saturday
Increasing clouds, with a high near 88. Calm wind becoming northwest 5 to 7 mph in the afternoon.
Saturday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 61. North wind around 6 mph.
Sunday
Sunny, with a high near 80. Northwest wind 5 to 10 mph.
Sunday Night
Mostly clear, with a low around 58. North wind 5 to 8 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 78.
Monday Night
Partly cloudy, with a low around 54.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 53.
Wednesday
Sunny, with a high near 81.
Wednesday Night
Partly cloudy, with a low around 57.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 59.
Friday
A 20 percent chance of showers. Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Washington Park IL
 38.64°N 90.09°W (Elev. 417 ft)
Last Update:
4:16 pm CDT Aug 22, 2025
Forecast Valid:
5pm CDT Aug 22, 2025-6pm CDT Aug 29, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation