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Charleston County, SC Weather Forecast
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Charleston County Weather Forecast
| REST OF TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  |  | | | | |  | | |  | |
| Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm |
| Lo: 65°FLo: 18°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 81°FHi: 27°C | |
| POP: 20% | POP: 50% | POP: 20% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 212 AM EDT Tue Sep 29 2026 
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Issued: 222 AM EDT Tue Sep 29 2026
Key Messages
- 1) The coastal flood risk will linger this week.
- 2) Warm and dry conditions will extend through most of the week.
- 3) Unsettled weather could return late week, and possibly persisting through the weekend.
Discussion
... KEY MESSAGE 1: The coastal flood risk will linger this week.
The risk for minor to near moderate coastal flooding will continue through most of this week, mainly impacting the coastal portions of Charleston and Colleton Counties. Coastal flooding will be near moderate lev...