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

Chester Catawba Regional Airport (KDCM)

Lat: 34.79°NLon: 81.2°WElev: 656ft.

Thunderstorm Light Rain in Vicinity

73°F

23°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 73°F (23°C)
Visibility 5.00 mi
Last update 26 May 7:55 pm EDT
Extended Forecast for

Cornwell SC

  • Tonight

    Tonight: Showers and thunderstorms before 2am, then a chance of showers. Patchy fog after 10pm. Low around 67. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Showers and
    Patchy Fog
    then Chance
    Showers and
    Patchy Fog

  • Wednesday

    Wednesday: A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 83 °F

    Chance
    Showers and
    Patchy Fog

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 66. Light southwest wind.

    Low: 66 °F

    Partly Cloudy

  • Thursday

    Thursday: A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 87. West wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 87 °F

    Mostly Sunny
    then Chance
    T-storms

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.

    Low: 64 °F

    Chance
    T-storms then
    Chance
    Showers

  • Friday

    Friday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Slight
    Chance
    T-storms

  • Friday Night

    Friday Night: A chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.

    Low: 63 °F

    Chance
    T-storms then
    Showers
    Likely

  • Saturday

    Saturday: Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.

    High: 78 °F

    Showers
    Likely

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.

    Low: 60 °F

    Chance
    T-storms then
    Chance
    Showers

Detailed Forecast

Tonight
Showers and thunderstorms before 2am, then a chance of showers. Patchy fog after 10pm. Low around 67. Calm wind. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday
A chance of showers, with thunderstorms also possible after 2pm. Patchy fog before 9am. Otherwise, mostly cloudy, with a high near 83. Calm wind becoming southwest 5 to 7 mph in the morning. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Partly cloudy, with a low around 66. Light southwest wind.
Thursday
A 30 percent chance of showers and thunderstorms, mainly after 4pm. Increasing clouds, with a high near 87. West wind around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Thursday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am. Mostly cloudy, with a low around 64. Calm wind. Chance of precipitation is 40%.
Friday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81.
Friday Night
A chance of showers and thunderstorms between 8pm and 2am, then showers likely after 2am. Mostly cloudy, with a low around 63. Chance of precipitation is 60%.
Saturday
Showers likely, with thunderstorms also possible after 2pm. Mostly cloudy, with a high near 78. Chance of precipitation is 70%.
Saturday Night
A chance of showers and thunderstorms. Mostly cloudy, with a low around 60. Chance of precipitation is 40%.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 76.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 57.
Monday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 78.
Monday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 56.
Tuesday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Cornwell SC
 34.62°N 81.19°W (Elev. 600 ft)
Last Update:
6:39 pm EDT May 26, 2026
Forecast Valid:
8pm EDT May 26, 2026-6pm EDT Jun 2, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation