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

Summerville Airport (KDYB)

Lat: 33.06°NLon: 80.28°WElev: 56ft.

Fair

48°F

9°C

Humidity 29%
Wind Speed Calm
Barometer 30.15 in
Dewpoint 18°F (-8°C)
Visibility 10.00 mi
Last update 24 Feb 1:55 pm EST
Extended Forecast for

Dorchester SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 52. Southwest wind around 6 mph.

    High: 52 °F

    Sunny

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Calm wind becoming southwest around 6 mph after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 65. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.

    High: 65 °F

    Mostly Cloudy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph.

    Low: 52 °F

    Mostly Cloudy

  • Thursday

    Thursday: A 40 percent chance of showers. Mostly cloudy, with a high near 71. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.

    High: 71 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 56 °F

    Chance
    Showers then
    Showers
    Likely

  • Friday

    Friday: Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.

    High: 67 °F

    Showers
    Likely

  • Friday Night

    Friday Night: A 50 percent chance of showers. Mostly cloudy, with a low around 47.

    Low: 47 °F

    Chance
    Showers

  • Saturday

    Saturday: A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 66.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 52. Southwest wind around 6 mph.
Tonight
Increasing clouds, with a low around 35. Calm wind becoming southwest around 6 mph after midnight.
Wednesday
Mostly cloudy, with a high near 65. Southwest wind 8 to 11 mph, with gusts as high as 23 mph.
Wednesday Night
Mostly cloudy, with a low around 52. Southwest wind 5 to 7 mph.
Thursday
A 40 percent chance of showers. Mostly cloudy, with a high near 71. Southwest wind 8 to 13 mph, with gusts as high as 24 mph.
Thursday Night
A chance of showers and thunderstorms before 1am, then showers likely and possibly a thunderstorm between 1am and 4am, then showers likely after 4am. Mostly cloudy, with a low around 56. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 70%.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 47.
Saturday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 66.
Saturday Night
Mostly clear, with a low around 46.
Sunday
Sunny, with a high near 73.
Sunday Night
Mostly clear, with a low around 46.
Monday
A 20 percent chance of showers. Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Dorchester SC
 33.15°N 80.39°W (Elev. 98 ft)
Last Update:
1:33 pm EST Feb 24, 2026
Forecast Valid:
2pm EST Feb 24, 2026-6pm EST Mar 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