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Postelle, TN Weather Forecast
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Postelle Weather Forecast
| TODAY | TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT |
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| Chance of T-Storm | Clearing | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Partly Cloudy |
| Hi: 85°FHi: 29°C | Lo: 69°FLo: 21°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 65°FLo: 18°C | Hi: 75°FHi: 24°C | Lo: 61°FLo: 16°C | Hi: 75°FHi: 24°C | Lo: 60°FLo: 16°C | Hi: 71°FHi: 22°C | Lo: 59°FLo: 15°C |
| POP: 20% | POP: 50% | POP: 20% | POP: 50% | POP: 70% | POP: 90% | POP: 60% | POP: 70% | POP: 40% | POP: 30% |
POP = Probability of Precipitation.
Weather Outlook Updated: 705 AM EDT Sat Sep 19 2026 
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Issued: 657 AM EDT Sat Sep 19 2026
Key Messages
Updated at 653 AM EDT Sat Sep 19 2026- Well above normal temperatures to persist through early next week. Heat Indices will remain in the upper 90s to lower 100s across the central east TN and southern TN valley through Monday.
- Temps cooling towards normal at the end of the forecast period, mid to late next week.
- Increasing rain chances this weekend into next week, similar to a typical summer pattern. Better chances for more widespread rain by Tue/Wed.
Discussion
... Issued at 142 AM ED...