Chattanooga, TN 14-Day Forecast
Tennessee, United States 🇺🇸
The 14-day forecast for Chattanooga is temporarily unavailable - please check back shortly. Meanwhile, the monthly averages below give a reliable picture of what to expect.
Chattanooga 14-day outlook: the story
September to November and April to May is the sweet spot for Chattanooga - warm days, manageable rainfall and plenty of daylight line up. Expect 73°F (23°C) in the afternoon and around 9 days of rain in a typical month of it. For the same question asked the other way round, see where else is warm in September.
For typical conditions month by month, see the Chattanooga climate & average temperatures guide.
Average temperatures in Chattanooga by month
| Month | High | Low | Rain days | Precipitation | Sunshine | Daylight | Wet-day chance | Humidity |
|---|---|---|---|---|---|---|---|---|
| January | 50° | 33° | 10 | 5.3 in | 6.5 h/day | 10.0 h | 33% | 74% |
| February | 56° | 37° | 13 | 6.3 in | 6.3 h/day | 10.9 h | 45% | 74% |
| March | 63° | 43° | 13 | 6.1 in | 8.0 h/day | 11.9 h | 41% | 71% |
| April | 70° | 49° | 11 | 5.1 in | 9.7 h/day | 13.0 h | 37% | 70% |
| May | 79° | 59° | 11 | 4.1 in | 10.8 h/day | 14.0 h | 37% | 73% |
| June | 85° | 67° | 14 | 4.1 in | 11.6 h/day | 14.5 h | 45% | 74% |
| July | 88° | 71° | 16 | 5.0 in | 11.5 h/day | 14.3 h | 51% | 76% |
| August | 87° | 70° | 14 | 4.5 in | 10.7 h/day | 13.5 h | 44% | 75% |
| September | 83° | 65° | 8 | 3.8 in | 10.0 h/day | 12.3 h | 27% | 71% |
| October | 73° | 54° | 8 | 3.7 in | 8.9 h/day | 11.2 h | 24% | 72% |
| November | 62° | 44° | 9 | 3.7 in | 7.5 h/day | 10.3 h | 30% | 73% |
| December | 54° | 38° | 11 | 5.6 in | 5.9 h/day | 9.8 h | 35% | 78% |
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