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Town of Mount Pleasant, SCMount Pleasant, SC Weather Forecast
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Mount Pleasant Weather Forecast
| TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY |
 |  | | |  | |  |  | | |  | |
| Partly Cloudy | Mostly Sunny | Clearing | Sunny | Mostly Clear | Sunny | Chance of T-Storm | Chance of T-Storm | Partly Cloudy | Chance of T-Storm | Chance of Showers | Chance of T-Storm |
| Lo: 75°FLo: 24°C | Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 85°FHi: 29°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 71°FLo: 22°C | Hi: 89°FHi: 32°C | Lo: 75°FLo: 24°C | Hi: 89°FHi: 32°C |
| POP: 20% | POP: 20% | POP: 20% | POP: 20% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 537 PM EDT Mon Sep 14 2026 
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Issued: 733 PM EDT Mon Sep 14 2026
Key Messages
- 1) Record high temperatures possible this afternoon.
- 2) Cooler temperatures Tuesday and Wednesday, followed by rising temperatures Thursday into the weekend. Increasing rain chances late this week.
- 3) Minor coastal flooding possible with the Tuesday midday high tide along coastal portions of Charleston and Colleton Counties.
Discussion
... KEY MESSAGE 1: Record high temperatures possible this afternoon.
Temperatures are on target to peak near record levels this afternoon. The record hig...