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

82°F

28°C

Humidity 58%
Wind Speed Calm
Barometer 30.04 in
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 14 Oct 6:15 pm EDT
Extended Forecast for

Summerville SC

  • Tonight

    Tonight: Mostly clear, with a low around 63. Light south wind.

    Low: 63 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 87. Calm wind.

    High: 87 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 64. Light south wind.

    Low: 64 °F

    Mostly Clear

  • Friday

    Friday: Mostly cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the morning.

    High: 84 °F

    Becoming
    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. South wind 5 to 8 mph becoming west after midnight.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 69.

    High: 69 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A 20 percent chance of showers before 2am. Mostly clear, with a low around 48.

    Low: 48 °F

    Slight Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 52.

    Low: 52 °F

    Partly Cloudy

Detailed Forecast

Tonight
Mostly clear, with a low around 63. Light south wind.
Thursday
Sunny, with a high near 87. Calm wind.
Thursday Night
Mostly clear, with a low around 64. Light south wind.
Friday
Mostly cloudy through mid morning, then gradual clearing, with a high near 84. Calm wind becoming southwest 5 to 7 mph in the morning.
Friday Night
Partly cloudy, with a low around 64. South wind 5 to 8 mph becoming west after midnight.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
A 20 percent chance of showers before 2am. Mostly clear, with a low around 48.
Sunday
Sunny, with a high near 66.
Sunday Night
Partly cloudy, with a low around 52.
Monday
Mostly sunny, with a high near 73.
Monday Night
Mostly clear, with a low around 56.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 57.
Wednesday
Mostly sunny, with a high near 75.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Summerville SC
 33.01°N 80.17°W (Elev. 49 ft)
Last Update:
2:35 pm EDT Oct 14, 2026
Forecast Valid:
6pm EDT Oct 14, 2026-6pm EDT Oct 21, 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