Knoxville (TN)
April
Weather in Knoxville, Tennessee for April 2026
Your guide to Knoxville weather in April - trends and predictions
So far, April 2026 in Knoxville is slightly warmer than the historical average by 1.7 °F.
Expect cooler weather in the next days in Knoxville with the forecast suggesting a temperature of 20.4 °F, lower than the historical average.
In general, the average temperature in Knoxville at the beginning of April is 20.3 °F. As the month progressed, temperatures tended to moderately rise, reaching an average of 22.3 °F by the end of April.
The climate of Knoxville in April is notably wet, with an average of 15 rainy days, and a total of 103.1 mm of precipitation.
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Temperatures
Rain 🌧️
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15
Dry days
15
Rainy days
0
Snow days
21°/11°
Temperatures
17 km/h
Avg max wind
70 %
Avg humidity
Knoxville Weather April
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Temperatures trend during April in Knoxville
See the weather trend as well as the moving average line
April weather in Knoxville day by day
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| Date | Weather | Temperatures | Rain | UV | More |
|---|---|---|---|---|---|
| Apr. 1 |  Patchy rain possible | 22° /12° | 0.1 mm | 5 | |
| Apr. 2 |  Cloudy | 23° /14° | 4 mm | 6 | |
| Apr. 3 | Light rain shower | 23° /11° | 1.4 mm | 5 | |
| Apr. 4 |  Moderate or heavy snow showers | 20° /10° | 1 mm | 5 | |
| Apr. 5 | Patchy rain possible | 18° /11° | 36.8 mm | 4 | |
| Apr. 6 |  Sunny | 18° /7° | 23.8 mm | 5 | |
| Apr. 7 | Sunny | 18° /4° | 1.1 mm | 5 | |
| Apr. 8 | Light rain shower | 18° /5° | 0.2 mm | 6 | |
| Apr. 9 | Sunny | 18° /7° | 5 mm | 6 | |
| Apr. 10 | Patchy rain possible | 21° /10° | 6.6 mm | 6 | |
| Apr. 11 | Light rain shower | 20° /9° | 10.4 mm | 5 | |
| Apr. 12 | Patchy rain possible | 20° /7° | 0.1 mm | 5 | |
| Apr. 13 | Sunny | 21° /9° | 0 mm | 6 | |
| Apr. 14 | Patchy rain possible | 25° /12° | 0 mm | 6 | |
| Apr. 15 |  Overcast | 23° /13° | 0.1 mm | 6 | |
| Apr. 16 |  Mist | 23° /12° | 0 mm | 6 | |
| Apr. 17 | Patchy rain possible | 24° /13° | 0.2 mm | 6 | |
| Apr. 18 | Overcast | 26° /14° | 0.6 mm | 6 | |
| Apr. 19 | Overcast | 22° /13° | 1.9 mm | 6 | |
| Apr. 20 |  Partly cloudy | 22° /11° | 0 mm | 7 | |
| Apr. 21 | Patchy rain possible | 19° /10° | 0 mm | 6 | |
| Apr. 22 | Sunny | 22° /10° | 0.8 mm | 6 | |
| Apr. 23 | Sunny | 24° /10° | 0 mm | 7 | |
| Apr. 24 |  Light rain | 24° /13° | 3.5 mm | 6 | |
| Apr. 25 | Sunny | 21° /12° | 7.3 mm | 5 | |
| Apr. 26 | Light rain | 21° /11° | 0.7 mm | 6 | |
| Apr. 27 | Overcast | 24° /11° | 0 mm | 7 | |
| Apr. 28 |  Moderate rain | 26° /15° | 9.2 mm | 7.1 | |
| Apr. 29 | Moderate rain | 21° /15° | 8.6 mm | 7.1 | |
| Apr. 30 | Partly cloudy | 19° /10° | 0.1 mm | 8.3 | |
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Important Notice
Our weather forecast for Knoxville in April 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.
Change Month
Knoxville in April - FAQ
What are the expected maximum and minimum temperatures in Knoxville during April?
Enjoy moderate daytime temperatures of up to 21° and cooler nights around 11°. Ideal for a range of outdoor activities, from hiking to city tours.
How much rainfall should be expected in Knoxville during April?
Significant rainfall exceeding 103.1 mm is expected in Knoxville during April, occurring over more than 15 days. Preparing for wet conditions is recommended in your planning.
Will it snow in Knoxville in April 2026?
Knoxville typically sees 0.08 cm of snowfall during April.
What are the typical wind conditions in Knoxville during April?
The average wind speed in Knoxville during April is 17 km/h, suggesting breezy to windy conditions, depending on your activities.
April rainfall patterns in Knoxville
Explore the daily rainfall trends and prepare for Knoxvilles April weather 💧
Typically, Knoxville has 15 rainy days in April with a total of 103.1 mm of rainfall.
UV exposure in Knoxville during April
Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️
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