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.

Fog/Mist

52°F

11°C

Humidity 100%
Wind Speed Calm
Barometer 30.12 in
Dewpoint 52°F (11°C)
Visibility 1.75 mi
Last update 23 Nov 10:55 pm EST
Extended Forecast for

Dorchester SC

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 46. Calm wind.

    Low: 46 °F

    Patchy Fog

  • Monday

    Monday: Areas of fog before 9am. Otherwise, sunny, with a high near 72. East wind 3 to 6 mph.

    High: 72 °F

    Areas Fog
    then Sunny

  • Monday Night

    Monday Night: Increasing clouds, with a low around 52. Light east wind.

    Low: 52 °F

    Increasing
    Clouds

  • Tuesday

    Tuesday: A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 76. Calm wind becoming south 5 to 7 mph in the morning.

    High: 76 °F

    Slight Chance
    Showers

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 59. South wind 3 to 5 mph.

    Low: 59 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A 30 percent chance of showers. Partly sunny, with a high near 78.

    High: 78 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 43.

    Low: 43 °F

    Mostly Cloudy

  • Thanksgiving Day

    Thanksgiving Day: Sunny, with a high near 59.

    High: 59 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 32.

    Low: 32 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 46. Calm wind.
Monday
Areas of fog before 9am. Otherwise, sunny, with a high near 72. East wind 3 to 6 mph.
Monday Night
Increasing clouds, with a low around 52. Light east wind.
Tuesday
A 20 percent chance of showers before 1pm. Mostly cloudy, with a high near 76. Calm wind becoming south 5 to 7 mph in the morning.
Tuesday Night
Mostly cloudy, with a low around 59. South wind 3 to 5 mph.
Wednesday
A 30 percent chance of showers. Partly sunny, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 43.
Thanksgiving Day
Sunny, with a high near 59.
Thursday Night
Mostly clear, with a low around 32.
Friday
Sunny, with a high near 55.
Friday Night
Mostly clear, with a low around 32.
Saturday
Mostly sunny, with a high near 58.
Saturday Night
Mostly cloudy, with a low around 42.
Sunday
A 20 percent chance of showers. Mostly sunny, with a high near 68.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Dorchester SC
 33.15°N 80.39°W (Elev. 98 ft)
Last Update:
7:30 pm EST Nov 23, 2025
Forecast Valid:
11pm EST Nov 23, 2025-6pm EST Nov 30, 2025
 
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