Charleston, SC Weather Forecast
Local 7-day forecast
Slight Chance Showers And Thunderstorms
Track current conditions, temperature changes, wind, and the full daily outlook for Charleston, SC in one place.
A slight chance of rain showers between 8am and 11am, then a slight chance of showers and thunderstorms between 11am and 2pm, then showers and thunderstorms likely. Partly sunny, with a high near 89. Southwest wind 2 to 7 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
Local Weather Overview
This forecast page for Charleston, SC is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Aug 23, 2026 7:40 PM EDT.
The active forecast window currently covers Aug 25 to Aug 29, 2026 for Charleston, SC.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Aug 25 to Aug 29, 2026
- Latest sync
- Aug 23, 2026 7:40 PM EDT
- Forecast office
- CHS
- Source
- NOAA / NWS
Daily Outlook
This Week in Charleston
Friday looks like the warmest upcoming period in Charleston at 90 degrees F.
Tuesday Night is the coolest period ahead with temperatures near 76 degrees F.
The strongest winds are forecast for Thursday at about 5 to 13 mph SW.
Precipitation is mentioned in 10 upcoming forecast periods.
Forecast Details
- Last updated
- Aug 23, 2026 7:40 PM EDT
- Coverage
- 5 days
- Time zone
- America/New_York
- Forecast office
- CHS
- Radar station
- KCLX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Showers and thunderstorms likely before 8pm, then a chance of showers and thunderstorms between 8pm and 11pm, then a chance of showers and thunderstorms between 11pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch possible.
A chance of showers and thunderstorms before 8am, then showers and thunderstorms likely between 8am and 2pm, then a chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 70%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 77. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 90. Chance of precipitation is 50%.
A chance of showers and thunderstorms before 8pm, then showers and thunderstorms likely between 8pm and 2am, then a chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 60%.
A chance of showers and thunderstorms. Mostly sunny, with a high near 89. Chance of precipitation is 50%.
A chance of showers and thunderstorms. Partly cloudy, with a low around 76. Chance of precipitation is 50%.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Aug 25
|
Slight Chance Showers And Thunderstorms
|
89°F |
2 to 7 mph
SW
|
|
Tuesday Night
Aug 25
|
Showers And Thunderstorms Likely
|
76°F |
2 to 6 mph
S
|
|
Wednesday
Aug 26
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
89°F |
2 to 10 mph
S
|
|
Wednesday Night
Aug 26
|
Chance Showers And Thunderstorms
|
77°F |
5 to 9 mph
SW
|
|
Thursday
Aug 27
|
Chance Showers And Thunderstorms
|
89°F |
5 to 13 mph
SW
|
|
Thursday Night
Aug 27
|
Chance Showers And Thunderstorms
|
77°F |
5 to 12 mph
SW
|
|
Friday
Aug 28
|
Chance Showers And Thunderstorms
|
90°F |
3 to 12 mph
SW
|
|
Friday Night
Aug 28
|
Chance Showers And Thunderstorms then Showers And Thunderstorms Likely
|
76°F |
2 to 9 mph
SW
|
|
Saturday
Aug 29
|
Chance Showers And Thunderstorms
|
89°F |
2 to 7 mph
SW
|
|
Saturday Night
Aug 29
|
Chance Showers And Thunderstorms
|
76°F |
1 to 6 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Charleston.
