Weather in Knoxville, Tennessee, United States in August
In an average August, Knoxville sees a daily high around 88°F and a low around 66°F, based on 1981–2026 of local climate records.
| Average high | 88°F |
|---|---|
| Typical high range | 81°F to 95°F |
| Average low | 66°F |
| Typical low range | 61°F to 71°F |
| Average daily precipitation | 0.10 in |
August records
The most extreme August on record for each metric, across 1981–2026. For rainfall, the wettest and driest are by total August accumulation.
High
Highest
104°F
1983-08-21
Lowest
71°F
2004-08-12
Low
Highest
78°F
2007-08-22
Lowest
46°F
1986-08-29
Feels-like
Highest
130°F
1983-08-21
Lowest
42°F
1986-08-29
Humidity
Highest
21.6 g/m³
2010-08-05
Lowest
7.6 g/m³
1999-08-31
Wind
Highest
21 mph
2005-08-30
Lowest
2 mph
2006-08-01
Precip
Wettest
9.30 in
2021
Driest
1.42 in
2007
See Knoxville's live weather grade →
Visiting Knoxville in August? See how its comfort stacks up against where you live.
Compare Knoxville with your city →