Knoxville
August
Weather in Knoxville for August 2025
Your guide to Knoxville weather in August - trends and predictions
In general, the average temperature in Knoxville at the beginning of August is 31.3 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 32.7 °F by the end of August.
Expect significant rainfall in Knoxville during August, with an average of 17 rainy days.
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14
Dry days
17
Rainy days
0
Snow days
30°/19°
Temperatures
12 km/h
Avg max wind
71 %
Avg humidity
Knoxville in August average weather
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| Mon. | Tue. | Wed. | Thu. | Fri. | Sat. | Sun. |
|---|---|---|---|---|---|---|
| 1  33° | 2  32° | 3  27° | ||||
| 4 30° | 5  33° | 6 32° | 7 32° | 8 29° | 9 30° | 10 28° |
| 11 29° | 12 31° | 13  31° | 14 32° | 15 30° | 16 29° | 17 30° |
| 18  28° | 19 28° | 20 29° | 21 30° | 22 31° | 23 32° | 24 32° |
| 25 35° | 26  34° | 27  33° | 28 31° | 29 33° | 30 32° | 31 31° |
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Temperatures trend during August in Knoxville
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 | Partly cloudy | 33° /20° | 1.1 mm | 8 | |
| Aug. 2 | Patchy rain possible | 32° /20° | 0.7 mm | 7 | |
| Aug. 3 | Moderate or heavy rain shower | 27° /19° | 38.8 mm | 6 | |
| Aug. 4 | Patchy rain possible | 30° /19° | 0.5 mm | 7 | |
| Aug. 5 | Overcast | 33° /20° | 0 mm | 8 | |
| Aug. 6 | Moderate or heavy rain shower | 32° /21° | 3.8 mm | 8 | |
| Aug. 7 | Moderate or heavy rain shower | 32° /21° | 19.1 mm | 7 | |
| Aug. 8 | Patchy rain possible | 29° /20° | 0.8 mm | 7 | |
| Aug. 9 | Overcast | 30° /19° | 0.2 mm | 7 | |
| Aug. 10 | Moderate or heavy rain shower | 28° /19° | 45.3 mm | 7 | |
| Aug. 11 | Moderate rain at times | 29° /18° | 1 mm | 7 | |
| Aug. 12 | Moderate or heavy rain shower | 31° /18° | 6.5 mm | 8 | |
| Aug. 13 | Heavy rain at times | 31° /19° | 2.1 mm | 7 | |
| Aug. 14 | Overcast | 32° /19° | 0.5 mm | 7 | |
| Aug. 15 | Moderate or heavy rain shower | 30° /18° | 8.4 mm | 7 | |
| Aug. 16 | Patchy rain possible | 29° /18° | 2.2 mm | 7 | |
| Aug. 17 | Overcast | 30° /18° | 4.1 mm | 7 | |
| Aug. 18 | Cloudy | 28° /18° | 1.1 mm | 6 | |
| Aug. 19 | Cloudy | 28° /16° | 0.1 mm | 7 | |
| Aug. 20 | Cloudy | 29° /16° | 0 mm | 7 | |
| Aug. 21 | Cloudy | 30° /17° | 0 mm | 7 | |
| Aug. 22 | Overcast | 31° /18° | 0 mm | 7 | |
| Aug. 23 | Partly cloudy | 32° /18° | 0 mm | 8 | |
| Aug. 24 | Patchy rain possible | 32° /19° | 0.1 mm | 8 | |
| Aug. 25 | Patchy rain possible | 35° /20° | 0.2 mm | 8 | |
| Aug. 26 | Thundery outbreaks possible | 34° /19° | 4.9 mm | 8 | |
| Aug. 27 | Fog | 33° /20° | 0 mm | 8 | |
| Aug. 28 | Light rain shower | 31° /20° | 12.3 mm | 8 | |
| Aug. 29 | Moderate or heavy rain shower | 33° /20° | 12.5 mm | 8 | |
| Aug. 30 | Mist | 32° /20° | 0.4 mm | 7 | |
| Aug. 31 | Cloudy | 31° /17° | 1.4 mm | 7 | |
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Important Notice
Our weather forecast for Knoxville 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 Knoxville forecast closer to your planned date for the most up-to-date weather information.
Knoxville in August - FAQ
What are the expected maximum and minimum temperatures in Knoxville during August?
Expect warm days with temperatures around 30°, cooling to mild conditions of 19° after sunset. Perfect for those who enjoy warm weather.
How much rainfall should be expected in Knoxville during August?
Significant rainfall exceeding 314.1 mm is expected in Knoxville during August, occurring over more than 17 days. Preparing for wet conditions is recommended in your planning.
What are the typical wind conditions in Knoxville during August?
The average wind speed in Knoxville during August is 12 km/h, suggesting breezy to windy conditions, depending on your activities.
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