Weather WorldMountville, SC Weather Forecast
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| TODAY | TONIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT |
 |  |  |  | | | | | | | | |
| Clearing | Mostly Clear | Sunny | Partly Cloudy | Mostly Sunny | Mostly Clear | Sunny | Clear | Sunny | Clear | Sunny | Mostly Clear |
| Hi: 90°FHi: 32°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 61°FLo: 16°C | Hi: 89°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 333 AM EDT Sun Sep 13 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 138 AM EDT Sun Sep 13 2026
Key Messages
1. Scattered showers and some embedded thunderstorms will remain possible through daybreak as a weak front crosses the area. Behind the front, quiet weather is expected through Monday. 2. A backdoor cold front should arrive late Monday, but confidence is limited on what the impact will be as it moves through and what happens during the middle part of the week.
Discussion
... Key message 1: Scattered showers and some embedded thunderstorms will remain possible through daybreak as a weak...