Simpsonville, MD Weather Forecast
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Simpsonville Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
| Chance of T-Storm | Thunderstorms | Chance of Showers | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy |
| Hi: 81°FHi: 27°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 79°FHi: 26°C | Lo: 59°FLo: 15°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C |
| POP: 20% | POP: 90% | POP: 50% |
POP = Probability of Precipitation.
Weather Outlook Updated: 733 AM EDT Sat Sep 12 2026 

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Issued: 358 AM EDT Sat Sep 12 2026
Key Messages
- 1) Widespread convection expected through tonight, while turning cooler and drier into early next week.
- 2) Seasonably warm and dry ahead of a mid-week cold front.
Discussion
... KEY MESSAGE 1...Widespread convection expected through tonight, while turning cooler and drier into early next week.
The current setup features a stalled surface boundary sitting just south of the Virginia-North Carolina border. This is bounded by a modest area of high pressure stretching across much of New Engl...
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