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

63°F

17°C

Humidity 100%
Wind Speed Calm
Barometer 30.18 in
Dewpoint 63°F (17°C)
Visibility 1.75 mi
Last update 9 Jan 11:55 pm EST
Extended Forecast for

Dorchester SC

  • Overnight

    Overnight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 60. Light south wind.

    Low: 60 °F

    Patchy Dense
    Fog

  • Saturday

    Saturday: Areas of fog before 10am. Otherwise, partly sunny, with a high near 79. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.

    High: 79 °F

    Areas Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A 30 percent chance of showers, mainly before 1am. Increasing clouds, with a low around 55. South wind 6 to 8 mph.

    Low: 55 °F

    Chance
    Showers

  • Sunday

    Sunday: Cloudy through mid morning, then gradual clearing, with a high near 64. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.

    High: 64 °F

    Gradual
    Clearing

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 30. North wind 5 to 9 mph, with gusts as high as 21 mph.

    Low: 30 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 28.

    Low: 28 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

Detailed Forecast

Overnight
Patchy dense fog. Otherwise, mostly cloudy, with a low around 60. Light south wind.
Saturday
Areas of fog before 10am. Otherwise, partly sunny, with a high near 79. Southwest wind 5 to 11 mph, with gusts as high as 23 mph.
Saturday Night
A 30 percent chance of showers, mainly before 1am. Increasing clouds, with a low around 55. South wind 6 to 8 mph.
Sunday
Cloudy through mid morning, then gradual clearing, with a high near 64. Northwest wind 10 to 15 mph, with gusts as high as 26 mph.
Sunday Night
Mostly clear, with a low around 30. North wind 5 to 9 mph, with gusts as high as 21 mph.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 28.
Tuesday
Sunny, with a high near 58.
Tuesday Night
Partly cloudy, with a low around 37.
Wednesday
A 30 percent chance of showers, mainly before 1pm. Partly sunny, with a high near 60.
Wednesday Night
A 20 percent chance of showers. Mostly cloudy, with a low around 39.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 54.
Thursday Night
Partly cloudy, with a low around 28.
Friday
Sunny, with a high near 50.
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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:
8:27 pm EST Jan 9, 2026
Forecast Valid:
12am EST Jan 10, 2026-6pm EST Jan 16, 2026
 
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Additional Resources

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High Temperature

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Chance of Precipitation