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City of Clarkesville, TNClarksville, TN Weather Forecast
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Clarksville Weather Forecast
| OVERNIGHT | SATURDAY | SATURDAY NIGHT | SUNDAY | SUNDAY NIGHT | MONDAY | MONDAY NIGHT | TUESDAY | TUESDAY NIGHT | WEDNESDAY | WEDNESDAY NIGHT | THURSDAY |
 |  | | |  |  |  | | |  | | |
| Mostly Clear | Sunny | Mostly Clear | Sunny | Partly Cloudy | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of T-Storm | Chance of Showers | Mostly Clear | Mostly Sunny |
| Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 99°FHi: 37°C | Lo: 71°FLo: 22°C | Hi: 95°FHi: 35°C | Lo: 65°FLo: 18°C | Hi: 85°FHi: 29°C | Lo: 61°FLo: 16°C | Hi: 81°FHi: 27°C | Lo: 60°FLo: 16°C | Hi: 80°FHi: 27°C |
| POP: 20% | POP: 40% | POP: 40% | POP: 40% | POP: 20% |
POP = Probability of Precipitation.
Weather Outlook Updated: 1112 PM CDT Fri Sep 18 2026 
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Issued: 1210 AM CDT Sat Sep 19 2026
Key Messages
Updated at 1208 AM CDT Sat Sep 19 2026- Very hot and humid conditions with triple digit heat indices continue. A Heat Advisory is in effect through Sunday for most of Middle Tennessee.
- Low rain chances mainly east of I-65 this weekend with a low chance for strong storms with gusty winds. Higher rain chances spread areawide Monday and Tuesday.
- Cooler air arrives next week with highs mid to late week in the upper 70s and lower 80s.
Aviation
... (06Z TAFS) Issued at 1208 AM CDT Sat Sep 19 ...