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Lancaster Weather Forecast
| TONIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | | |  |  |  | | | | | |
| Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Sunny | Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny |
| Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 61°FLo: 16°C | Hi: 79°FHi: 26°C | Lo: 51°FLo: 11°C | Hi: 79°FHi: 26°C | Lo: 45°FLo: 7°C | Hi: 79°FHi: 26°C | Lo: 49°FLo: 9°C | Hi: 81°FHi: 27°C | Lo: 45°FLo: 7°C | Hi: 81°FHi: 27°C |
| POP: 70% | POP: 50% | POP: 40% | POP: 50% | POP: 40% |
POP = Probability of Precipitation.
Weather Outlook Updated: 623 PM CDT Fri Oct 02 2026 
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Issued: 656 PM CDT Fri Oct 2 2026
Key Messages
Updated at 655 PM CDT Fri Oct 2 2026- Medium to high rain chances continue into Sunday. Isolated thunderstorms are forecast, but severe weather is not expected at this time.
- Low to medium chance for more than 1 inch of rain by the end of the weekend.
- Cooler, drier conditions are expected for next week.
Aviation
... (00Z TAFS) Issued at 653 PM CDT Fri Oct 2 2026
Difficult aviation forecast tonight. Showers are moving across Middle TN, with a few rumbles of thunder along the leading edge. ...