Summer temperatures · Tennessee
How hot does Chattanooga get in summer?
Chattanooga right now
48°FScattered clouds
- Today49°F / 40°FClouds
- Tomorrow55°F / 36°FClear skies
- Monday55°F / 36°FClear skies
The sun's playing hide and seek.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical summer, June to August, Chattanooga averages highs around 89°F and lows around 70°F.
About 58 days a year reach 90°F or hotter, and about 2 reach 100°F. About 149 days a year get to 80°F or warmer. That makes it the 34th hottest summer of the 129 US cities we track.
Last updated
The hottest high in the forecast for the next 48 hours is about 55°F.
Chattanooga’s summer highs average about 89°F, which makes the river the most popular address in town from June to August.
Live 48-hour forecast from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Summer at a glance
| Average summer high | 89°F |
|---|---|
| Average summer low | 70°F |
| Days a year at 80°F or warmer | 149 |
| Days a year at 90°F or hotter | 58 |
| Days a year at 100°F or hotter | 2 |
| Average winter high, for comparison | 53°F |
Summer here is June to August. Counts are averages a year.
Cities with about the same summer
- Wichita, Kansas: highs around 91°F, lows around 68°F
- Atlanta, Georgia: highs around 89°F, lows around 71°F
- Nashville, Tennessee: highs around 90°F, lows around 69°F
More about the weather here
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00013882.