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United States weather

Weather in Knoxville, Tennessee for April 2026

Your guide to Knoxville weather in April - trends and predictions

    Temperatures

  • In general, the average temperature in Knoxville at the beginning of April is 18.4 °F. As the month progressed, temperatures tended to significantly warm up, reaching an average of 23 °F by the end of April.

    • Rain 🌧️

  • 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.

    • More

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Average dry days
15
Dry days
Average rainy days
15
Rainy days
Average snowy days
0
Snow days
Average temperatures
21°/11°
Temperatures
Average wind speed
17 km/h
Avg max wind
Average humidity
70 %
Avg humidity

Knoxville Weather April

Move between months or click on a day
March
May
Sun.Mon.Tue.Wed.Thu.Fri.Sat.
1
Patchy rain possible
19°
2
Light rain shower
21°
3
Light rain shower
21°
4
Moderate or heavy snow showers
17°
5
Patchy rain possible
17°
6
Sunny
17°
7
Sunny
17°
8
Light rain shower
17°
9
Light rain
16°
10
Patchy rain possible
19°
11
Light rain shower
18°
12
Patchy rain possible
15°
13
Sunny
19°
14
Patchy rain possible
26°
15
Patchy light drizzle
21°
16
Mist
22°
17
Patchy rain possible
22°
18
Patchy rain possible
25°
19
Light rain shower
24°
20
Partly cloudy
23°
21
Patchy rain possible
18°
22
Sunny
21°
23
Sunny
23°
24
Light rain
22°
25
Sunny
21°
26
Light rain
19°
27
Overcast
23°
28
Partly cloudy
26°
29
Partly cloudy
26°
30
Patchy light rain with thunder
24°

Temperatures trend during April in Knoxville

See the weather trend as well as the moving average line

April weather in Knoxville day by day

Click on a date for more information
March May
Date Weather Temperatures Rain Snow More
Apr. 1 Patchy rain possible
Patchy rain possible
 19° /10° 0.1 mm 0 cm
Apr. 2 Light rain shower
Light rain shower
 21° /13° 6 mm 0 cm
Apr. 3 Light rain shower
Light rain shower
 21° /9° 2 mm 0 cm
Apr. 4 Moderate or heavy snow showers
Moderate or heavy snow showers
 17° /8° 1.6 mm 0.1 cm
Apr. 5 Patchy rain possible
Patchy rain possible
 17° /11° 0.2 mm 0 cm
Apr. 6 Sunny
Sunny
 17° /8° 35.7 mm 0 cm
Apr. 7 Sunny
Sunny
 17° /4° 1.6 mm 0 cm
Apr. 8 Light rain shower
Light rain shower
 17° /5° 0.4 mm 0 cm
Apr. 9 Light rain
Light rain
 16° /7° 7.5 mm 0 cm
Apr. 10 Patchy rain possible
Patchy rain possible
 19° /11° 9.8 mm 0 cm
Apr. 11 Light rain shower
Light rain shower
 18° /8° 15.6 mm 0 cm
Apr. 12 Patchy rain possible
Patchy rain possible
 15° /5° 0.2 mm 0 cm
Apr. 13 Sunny
Sunny
 19° /4° 0 mm 0 cm
Apr. 14 Patchy rain possible
Patchy rain possible
 26° /10° 0 mm 0 cm
Apr. 15 Patchy light drizzle
Patchy light drizzle
 21° /11° 0.2 mm 0 cm
Apr. 16 Mist
Mist
 22° /10° 0 mm 0 cm
Apr. 17 Patchy rain possible
Patchy rain possible
 22° /11° 0.3 mm 0 cm
Apr. 18 Patchy rain possible
Patchy rain possible
 25° /13° 0.9 mm 0 cm
Apr. 19 Light rain shower
Light rain shower
 24° /16° 2.3 mm 0 cm
Apr. 20 Partly cloudy
Partly cloudy
 23° /14° 0 mm 0 cm
Apr. 21 Patchy rain possible
Patchy rain possible
 18° /12° 0 mm 0 cm
Apr. 22 Sunny
Sunny
 21° /10° 1.3 mm 0 cm
Apr. 23 Sunny
Sunny
 23° /10° 0 mm 0 cm
Apr. 24 Light rain
Light rain
 22° /13° 5.3 mm 0 cm
Apr. 25 Sunny
Sunny
 21° /11° 6.6 mm 0 cm
Apr. 26 Light rain
Light rain
 19° /11° 1 mm 0 cm
Apr. 27 Overcast
Overcast
 23° /11° 0 mm 0 cm
Apr. 28 Partly cloudy
Partly cloudy
 26° /13° 0 mm 0 cm
Apr. 29 Partly cloudy
Partly cloudy
 26° /14° 0 mm 0 cm
Apr. 30 Patchy light rain with thunder
Patchy light rain with thunder
 24° /16° 4.4 mm 0 cm
Next
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.
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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.

Knoxville snow forecast April 2026

Track daily snowfall levels and discover Knoxville’s snowy potential this April ❄️

April rainfall patterns in Knoxville

Explore the daily rainfall trends and prepare for Knoxvilles April weather 💧

UV exposure in Knoxville during April

Stay informed about UV levels for safe outdoor activities throughout the month of April ☀️

Quick links

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Location coordinates Where is Knoxville?

Get accurate weather forecasts for Knoxville, located at latitude 35.961 and longitude -83.921. Stay updated with localized weather information tailored for Knoxville.

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