Knoxville, TN 14-Day Forecast
Tennessee, United States 🇺🇸
The 14-day forecast for Knoxville is temporarily unavailable - please check back shortly. Meanwhile, the monthly averages below give a reliable picture of what to expect.
Knoxville 14-day outlook: the story
Aim for September to November and April if you get the choice: warm days, manageable rainfall and plenty of daylight line up, and highs average 71°F (22°C) against roughly 9 wet days a month. For the same question asked the other way round, see where else is warm in September.
For typical conditions month by month, see the Knoxville climate & average temperatures guide.
Average temperatures in Knoxville by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 47° | 31° | 12 | 4.4 in | 6.2 h/day | 10.0 h | 38% | 73% |
| February | 54° | 35° | 12 | 6.0 in | 6.4 h/day | 10.8 h | 44% | 73% |
| March | 61° | 41° | 12 | 5.1 in | 8.1 h/day | 11.9 h | 39% | 70% |
| April | 69° | 48° | 11 | 4.4 in | 9.8 h/day | 13.1 h | 36% | 69% |
| May | 78° | 58° | 12 | 3.8 in | 10.8 h/day | 14.1 h | 40% | 72% |
| June | 85° | 66° | 12 | 3.3 in | 11.9 h/day | 14.6 h | 40% | 69% |
| July | 88° | 70° | 15 | 4.0 in | 11.7 h/day | 14.4 h | 47% | 73% |
| August | 86° | 69° | 13 | 4.3 in | 11.1 h/day | 13.5 h | 42% | 74% |
| September | 83° | 64° | 9 | 3.4 in | 10.1 h/day | 12.4 h | 29% | 70% |
| October | 72° | 53° | 7 | 3.2 in | 9.0 h/day | 11.2 h | 24% | 71% |
| November | 60° | 41° | 8 | 3.5 in | 7.5 h/day | 10.2 h | 28% | 72% |
| December | 53° | 36° | 11 | 5.1 in | 5.8 h/day | 9.7 h | 35% | 77% |
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