Summ, SC 7-Day Night Weather Forecast
Quick Weather Clicks
Sun & Moon
Weather Quote O' the Day


Summ, SC Weather Forecast


Summ, SC Weather Forecast Date: 227 AM EDT Tue Sep 08 2026
The area/counties/county of: Dorchester, including the cities of: Saint George and Summerville.or toggle through each period.
Rest of Tonight... Mostly clear. Lows in the lower 70s. Northeast winds 5 to 10 mph.
Tuesday... Sunny. Highs in the upper 80s. Northeast winds 10 to 15 mph with gusts up to 25 mph.
Tuesday Night... Mostly clear. Lows in the lower 70s. Northeast winds 5 to 10 mph.
Wednesday... Mostly sunny with a slight chance of showers. A slight chance of thunderstorms in the afternoon. Highs in the upper 80s. East winds 5 to 10 mph. Chance of rain 20%.
Wednesday Night... Partly cloudy in the evening, then clearing. Lows in the lower 70s. East winds 5 to 10 mph in the evening, becoming light and variable.
Thursday... Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50%.
Thursday Night... Partly cloudy. Lows in the lower 70s.
Friday... Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 50%.
Friday Night... Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20%.
Saturday... Showers likely with a chance of thunderstorms. Highs in the lower 90s. Chance of rain 70%.
Saturday Night... Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20%.
Sunday... Mostly sunny with a chance of showers and thunderstorms. Highs around 90. Chance of rain 50%.
Sunday Night... Partly cloudy with a slight chance of showers and thunderstorms. Lows in the lower 70s. Chance of rain 20%.
Weather World