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Karns, TN Weather Forecast
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Karns Weather Forecast
| TONIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY | THURSDAY NIGHT | FRIDAY |
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| Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Mostly Clear | Sunny | Clear | Sunny |
| Lo: 40°FLo: 4°C | Hi: 69°FHi: 21°C | Lo: 40°FLo: 4°C | Hi: 71°FHi: 22°C | Lo: 41°FLo: 5°C | Hi: 71°FHi: 22°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C | Lo: 45°FLo: 7°C | Hi: 75°FHi: 24°C |
POP = Probability of Precipitation.
Weather Outlook Updated: 706 PM EDT Sat Oct 17 2026 
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Issued: 805 PM EDT Sat Oct 17 2026
Key Messages
Updated at 801 PM EDT Sat Oct 17 2026- Areas of frost are expected tonight into Sunday morning for the Cumberland Plateau, northeast Tennessee, southwest Virginia, and the Tennessee/North Carolina mountains.
- Patchy fog is likely again in the same areas Sunday night into Monday morning, followed by a slow warming trend and no rain expected through the week.
Discussion
... Issued at 232 PM EDT Sat Oct 17 2026
Currently, troughing is centered to our northwest with high pressure building in ...