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City of Sumter, SCSumter, SC Weather Forecast
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Sumter Weather Forecast
| OVERNIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY |
 |  | | |  |  | | |  | | | |
| Chance of Rain | Chance of Rain | Chance of Rain | Rain | Partly Cloudy | Sunny | Partly Cloudy | Sunny | Mostly Clear | Sunny | Mostly Clear | Mostly Sunny |
| Lo: 65°FLo: 18°C | Hi: 81°FHi: 27°C | Lo: 65°FLo: 18°C | Hi: 79°FHi: 26°C | Lo: 55°FLo: 13°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 69°FHi: 21°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C |
| POP: 20% | POP: 40% | POP: 50% | POP: 90% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1008 PM EST Wed Nov 04 2026 
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Meteorlogic Glosserator
Instant definitions for any meteorological term.
Instant definitions for any meteorological term.
Issued: 720 PM EST Wed Nov 4 2026
Key Messages
- 1. Showers are expected through Friday with a few thunderstorms also possible Thursday and Friday.
Discussion
... Key Message 1: Showers are expected through Friday with a few thunderstorms also possible Thursday and Friday.
A shortwave is currently translating around a larger scale trough and progressing through central GA, which is providing enough energy to produce some widely scattered showers across the area. Additionally, a few thunderstorms are approaching the CSRA due to this sh...