Currently

78°

Feels Like 80°

Cloudy

Wind Calm
Pressure 30.07 in.
Dewpoint 76°F
Humidity 93%

last updated at 1:56 AM on July 25, 2026

Charleston Weather Discussion

The latest forecast and discussion for the Charleston, SC metro area

Weekend forecast: Mostly unsettled, especially Saturday

Jared Smith / July 24, 2026 at 11:06 PM

A stalled front will continue to contribute to shower and thunderstorm chances through the weekend, particularly on Saturday as a trough aloft swings through, providing a little extra “oomph” to budding updrafts aspiring to be efficient rain-makers.

Charleston Area NWS Forecast

Forecast for Charleston updated at 9:22 PM on July 24, 2026

Tonight Mostly cloudy with a chance of showers and thunderstorms. Lows in the upper 70s. South winds 5 to 10 mph. Chance of rain 50 percent.
Saturday Partly sunny with a chance of showers and thunderstorms in the morning, then mostly cloudy with showers with thunderstorms likely in the afternoon. Highs in the lower 90s. Heat index values up to 107. Southwest winds 5 to 10 mph. Chance of rain 90 percent.
Saturday Night Mostly cloudy. Thunderstorms likely with a chance of showers in the evening, then a chance of showers and thunderstorms after midnight. Lows in the mid 70s. Southwest winds 5 to 10 mph, becoming northwest after midnight. Chance of rain 70 percent.
Sunday Mostly sunny with a chance of showers. A slight chance of thunderstorms in the morning, then a chance of thunderstorms in the afternoon. Highs around 90. North winds around 5 mph, becoming east around 5 mph in the afternoon. Chance of rain 50 percent.
Sunday Night Partly cloudy in the evening, then becoming mostly clear. A chance of thunderstorms in the evening. A slight chance of showers. Lows in the mid 70s. South winds around 5 mph in the evening, becoming light and variable. Chance of rain 50 percent.
Monday Sunny with a slight chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 20 percent.
Monday Night Mostly clear. Lows in the upper 70s.
Tuesday Mostly sunny. Highs in the mid 90s. Heat index values up to 105.
Tuesday Night Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent. Heat index values up to 105 early in the evening.
Wednesday Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 50 percent. Heat index values up to 110.
Wednesday Night Partly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent. Heat index values up to 105 early in the evening.
Thursday Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.
Thursday Night Partly cloudy with a slight chance of showers and thunderstorms. Lows in the upper 70s. Chance of rain 20 percent.
Friday Sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.

Built and maintained by Jared Smith in West Ashley for the Charleston, SC metro area since 2008

Support Charleston Weather

Social Media

Always have multiple ways to receive weather warnings, including one that doesn't require the Internet (like a weather radio).
Always refer to official statements from the National Weather Service and local emergency management for life-and-death decision-making.
This site is provided as a best effort, but reliability cannot be guaranteed. Use at your own risk.