World Resorts USA Knoxville Weather

Knoxville weather in August

Weather in Knoxville: August

Average day temperature: 86.0°F
Average night temperature: 68.8°F
Number of sunny days: 13 days
Day length: 13.0 - 13.9 hours
Number of rainy days: 3 days
Precipitation totals: 1.4 in.

Air temperature in August, °F

Show year:
2026
2025
2024

The highest day temperature during August of 2026 was 96°F. At the same time the lowest night temperature was 61°F. Daily and nightly averages during August were 90.1°F and 70.0°F.

Sunny, partly cloudy and cloudy days

Mostly all days in August are sunny but cloudy days are also possible.

Precipitation total in August, in.

Precipitation total value in Knoxville in August is 1.4 in. Other months of the year show relatively similar values.

Wind speed in August, mph

The average wind speed value in August is 3.6 mph It makes August lest windy month of the year.

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in August is: 8.4.

Best time for vacation in Knoxville

Sunniest months:
October 17 days
September 14 days
November 14 days
Warmest months:
July 87.8 °F
August 86.0 °F
June 84.1 °F
Coldest months:
January 44.7 °F
December 50.1 °F
February 51.0 °F
Rainiest months:
March 4 days
January 4 days
April 3 days
Windiest months:
March 6.0 mph
February 5.6 mph
April 5.5 mph

Knoxville on a weather map

Knoxville
+73°F
NE 4 mph
Feels like: +77°F
Precip.: 91%
Places in USA:
Name
°F
+50°F
+70°F
+77°F
+84°F
+70°F
+81°F
+61°F
+75°F
+64°F
+68°F
+59°F
+70°F
+77°F
+79°F
+68°F
24 Hours Forecast
Knoxville
Local time: 07:28
September 12, saturday
0900
73°F
NE
6 mph
1200
68°F
NE
2 mph
1500
79°F
N
4 mph
1800
75°F
NE
4 mph
2100
75°F
NE
4 mph
September 13, sunday
0000
73°F
NE
3 mph
0300
72°F
NE
3 mph
0600
70°F
NE
4 mph
Units of measurement: °C / °F