Summitville, TN Weather Forecast
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Summitville Weather Forecast
| TODAY | TONIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY | FRIDAY NIGHT | SATURDAY | SATURDAY NIGHT |
| Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy |
| Hi: 91°FHi: 33°C | Lo: 70°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 95°FHi: 35°C | Lo: 69°FLo: 21°C | Hi: 91°FHi: 33°C | Lo: 69°FLo: 21°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 548 AM CDT Mon Sep 14 2026 

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Issued: 608 AM CDT Mon Sep 14 2026
Key Messages
Updated at 607 AM CDT Mon Sep 14 2026- Heat Advisory is in effect Tuesday for most of Middle Tennessee west of the Cumberland Plateau. Heat indices up to 109F are expected during the afternoon.
- Rain chances this week are negligible. The next rain chances aren`t expected until the weekend.
- We should start to see a gradual cool-down late next weekend and early the following week.
Aviation
... (12Z TAFS) Issued at 607 AM CDT Mon Sep 14 2026
VFR conditions through the TAF period. We will see...
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