Chattanooga
August
Weather in Chattanooga for August 2025
Your guide to Chattanooga weather in August - trends and predictions
In general, the average temperature in Chattanooga at the beginning of August is 31 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 32.3 °F by the end of August.
Expect significant rainfall in Chattanooga during August, with an average of 19 rainy days.
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12
Dry days
19
Rainy days
0
Snow days
30°/20°
Temperatures
11 km/h
Avg max wind
71 %
Avg humidity
Chattanooga in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  31° | 2 31° | 3  28° | ||||
| 4 29° | 5 32° | 6 32° | 7 34° | 8  30° | 9 29° | 10 28° |
| 11 30° | 12 31° | 13 32° | 14 32° | 15 29° | 16  29° | 17 31° |
| 18 30° | 19  28° | 20 29° | 21 30° | 22 30° | 23  31° | 24 31° |
| 25 35° | 26 35° | 27 33° | 28 31° | 29 31° | 30  31° | 31 30° |
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Temperatures trend during August in Chattanooga
See the weather trend as well as the moving average line
August weather day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Aug. 1 | Overcast | 31° /21° | 0.1 mm | 7 | |
| Aug. 2 | Overcast | 31° /21° | 0 mm | 7 | |
| Aug. 3 | Moderate or heavy rain shower | 28° /21° | 9.1 mm | 7 | |
| Aug. 4 | Moderate or heavy rain shower | 29° /20° | 10.4 mm | 7 | |
| Aug. 5 | Moderate or heavy rain shower | 32° /20° | 2.2 mm | 7 | |
| Aug. 6 | Moderate or heavy rain shower | 32° /20° | 12.3 mm | 7 | |
| Aug. 7 | Moderate or heavy rain shower | 34° /20° | 5.6 mm | 8 | |
| Aug. 8 | Patchy rain possible | 30° /20° | 0.3 mm | 7 | |
| Aug. 9 | Patchy rain possible | 29° /19° | 0.7 mm | 7 | |
| Aug. 10 | Moderate or heavy rain shower | 28° /19° | 14.7 mm | 7 | |
| Aug. 11 | Moderate or heavy rain shower | 30° /18° | 3.3 mm | 7 | |
| Aug. 12 | Moderate or heavy rain shower | 31° /20° | 4.3 mm | 8 | |
| Aug. 13 | Moderate or heavy rain shower | 32° /19° | 1.8 mm | 8 | |
| Aug. 14 | Patchy rain possible | 32° /20° | 0.2 mm | 7 | |
| Aug. 15 | Moderate or heavy rain shower | 29° /20° | 10.3 mm | 7 | |
| Aug. 16 | Cloudy | 29° /19° | 4.7 mm | 7 | |
| Aug. 17 | Overcast | 31° /19° | 7.5 mm | 7 | |
| Aug. 18 | Patchy rain possible | 30° /18° | 0.3 mm | 7 | |
| Aug. 19 | Partly cloudy | 28° /16° | 0 mm | 7 | |
| Aug. 20 | Cloudy | 29° /17° | 0 mm | 7 | |
| Aug. 21 | Overcast | 30° /18° | 0 mm | 7 | |
| Aug. 22 | Partly cloudy | 30° /19° | 0 mm | 7 | |
| Aug. 23 | Sunny | 31° /18° | 0 mm | 8 | |
| Aug. 24 | Moderate rain at times | 31° /19° | 0.3 mm | 7 | |
| Aug. 25 | Patchy rain possible | 35° /20° | 0.7 mm | 8 | |
| Aug. 26 | Cloudy | 35° /20° | 0 mm | 8 | |
| Aug. 27 | Light rain shower | 33° /21° | 1.1 mm | 8 | |
| Aug. 28 | Moderate or heavy rain shower | 31° /21° | 11.1 mm | 8 | |
| Aug. 29 | Moderate or heavy rain shower | 31° /21° | 7.9 mm | 7 | |
| Aug. 30 | Fog | 31° /20° | 0.9 mm | 7 | |
| Aug. 31 | Sunny | 30° /19° | 2.9 mm | 7 | |
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Important Notice
Our weather forecast for Chattanooga in August is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Chattanooga forecast closer to your planned date for the most up-to-date weather information.
Chattanooga in August - FAQ
What are the expected maximum and minimum temperatures in Chattanooga during August?
Expect warm days with temperatures around 30°, cooling to mild conditions of 20° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Chattanooga during August?
Significant rainfall exceeding 191.9 mm is expected in Chattanooga during August, occurring over more than 19 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Chattanooga during August?
The average wind speed in Chattanooga during August is 11 km/h, suggesting breezy to windy conditions, depending on your activities.
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