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

68°F

20°C

Humidity 100%
Wind Speed Vrbl 3 mph
Barometer 30.26 in
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Last update 6 Mar 9:35 pm EST
Extended Forecast for

Dorchester SC

  • Tonight

    Tonight: Patchy dense fog after midnight. Otherwise, increasing clouds, with a low around 62. Calm wind.

    Low: 62 °F

    Partly Cloudy
    then Patchy
    Dense Fog

  • Saturday

    Saturday: Areas of dense fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.

    High: 81 °F

    Areas Dense
    Fog then
    Sunny

  • Saturday Night

    Saturday Night: Increasing clouds, with a low around 62. South wind around 6 mph.

    Low: 62 °F

    Increasing
    Clouds

  • Sunday

    Sunday: A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.

    High: 84 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Light southwest wind.

    Low: 61 °F

    Chance
    Showers

  • Monday

    Monday: A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    Showers

  • Monday Night

    Monday Night: A 20 percent chance of showers. Mostly cloudy, with a low around 61.

    Low: 61 °F

    Slight Chance
    Showers

  • Tuesday

    Tuesday: A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85.

    High: 85 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 62.

    Low: 62 °F

    Partly Cloudy

Detailed Forecast

Tonight
Patchy dense fog after midnight. Otherwise, increasing clouds, with a low around 62. Calm wind.
Saturday
Areas of dense fog before 9am. Otherwise, cloudy through mid morning, then gradual clearing, with a high near 81. Calm wind becoming south 5 to 8 mph in the morning.
Saturday Night
Increasing clouds, with a low around 62. South wind around 6 mph.
Sunday
A chance of showers between 1pm and 4pm, then a chance of showers and thunderstorms after 4pm. Partly sunny, with a high near 84. Southwest wind 5 to 9 mph. Chance of precipitation is 40%.
Sunday Night
A 40 percent chance of showers and thunderstorms. Mostly cloudy, with a low around 61. Light southwest wind.
Monday
A 30 percent chance of showers, mainly after 1pm. Partly sunny, with a high near 82.
Monday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 61.
Tuesday
A 20 percent chance of showers after 1pm. Mostly sunny, with a high near 85.
Tuesday Night
Partly cloudy, with a low around 62.
Wednesday
Partly sunny, with a high near 85.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 63.
Thursday
A 50 percent chance of showers. Mostly cloudy, with a high near 79.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Friday
A 30 percent chance of showers. Mostly cloudy, with a high near 67.
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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:
7:30 pm EST Mar 6, 2026
Forecast Valid:
9pm EST Mar 6, 2026-6pm EDT Mar 13, 2026
 
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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