Longtown, SC Weather Forecast
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Longtown Weather Forecast
| THIS AFTERNOON | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
| Mostly Sunny | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Clear | Sunny | Mostly Clear | Sunny | Mostly Clear |
| Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 70°FLo: 21°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 1208 PM EDT Sun Sep 13 2026 

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Issued: 621 AM EDT Sun Sep 13 2026
Key Messages
- 1. Above normal temps expected through Monday, with a backdoor front ushering in drier and slightly cooler air through the middle of next week.
Discussion
... KEY MESSAGE 1: Above normal temps expected through Monday, with a backdoor front ushering in drier and slightly cooler air through the middle of next week.
Convection from earlier this week has diminished for the most part, shifting eastward gradually this evening. Forcing for ascent is slowly doing the same as the 500 hPa trough ...
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