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City of Greenbrier, TNGreenbrier, TN Weather Forecast
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Greenbrier Weather Forecast
| TODAY | TONIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT |
 |  | | |  |  | |  |  | | |  |
| Mostly Sunny | Partly Cloudy | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Chance of Showers | Chance of Showers | Sunny | Clear |
| Hi: 90°FHi: 32°C | Lo: 65°FLo: 18°C | Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 81°FHi: 27°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 51°FLo: 11°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C |
| POP: 40% | POP: 70% | POP: 70% | POP: 50% | POP: 50% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 133 AM CDT Wed Sep 30 2026 
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Issued: 553 AM CDT Wed Sep 30 2026
Key Messages
Updated at 552 AM CDT Wed Sep 30 2026- Well above normal temperatures through Friday with highs reaching the low 80s to mid 90s.
- Medium to high rain chances develop Friday and continue into Saturday. Rain chances decrease on Sunday with cooler, drier weather thereafter.
- High chance for more than 1 inch of rain this weekend with the heaviest rain expected Friday afternoon into Sunday morning.
Aviation
... (12Z TAFS) Issued at 552 AM CDT Wed Sep 30 2026
VFR conditions are expected to preva...