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 30.11 in
Dewpoint 66°F (19°C)
Visibility 9.00 mi
Heat Index84°F (29°C)
Last update 15 Oct 12:15 pm EDT
Extended Forecast for

4 Miles WSW Summerville SC

  • This Afternoon

    This Afternoon: Sunny, with a high near 88. Calm wind.

    High: 88 °F

    Sunny

  • Tonight

    Tonight: Mostly clear, with a low around 65. South wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Friday

    Friday: Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 85 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 64. South wind 6 to 8 mph.

    Low: 64 °F

    Partly Cloudy

  • Saturday

    Saturday: A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 68. North wind around 15 mph, with gusts as high as 28 mph.

    High: 68 °F

    Chance
    Showers

  • Saturday Night

    Saturday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 48.

    Low: 48 °F

    Chance
    Showers then
    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Sunday Night

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

    Low: 52 °F

    Partly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny
    then Slight
    Chance
    Showers

Detailed Forecast

This Afternoon
Sunny, with a high near 88. Calm wind.
Tonight
Mostly clear, with a low around 65. South wind around 5 mph becoming calm in the evening.
Friday
Mostly sunny, with a high near 85. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Friday Night
Partly cloudy, with a low around 64. South wind 6 to 8 mph.
Saturday
A 30 percent chance of showers, mainly after 2pm. Mostly sunny, with a high near 68. North wind around 15 mph, with gusts as high as 28 mph.
Saturday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 48.
Sunday
Sunny, with a high near 63.
Sunday Night
Partly cloudy, with a low around 52.
Monday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Mostly sunny, with a high near 74.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
4 Miles WSW Summerville SC
 32.98°N 80.25°W (Elev. 66 ft)
Last Update:
7:05 am EDT Oct 15, 2026
Forecast Valid:
12pm EDT Oct 15, 2026-6pm EDT Oct 21, 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