NOAA GHCND · LIVE
Weather landscape

Wing-Chi Poon / CC BY-SA 2.5

Knoxville, TN Weather on August 27

August 27th in Knoxville, TN typically brings warm summer weather, with average highs around 88°F and lows near 66°F. Over 55 years of records, the warmest August 27th was in 1987 (85°F average), while the coldest was 2025 (62°F) — a 23°F range across recorded history. Rain or other precipitation has occurred on about 22% of August 27th dates historically, with the wettest August 27th recording 0.94" of rain. The last decade has been 1.3°F warmer on this date compared to 20-30 years ago.

By Weather On This Day|
Avg High
88°F
Avg Low
66°F
Record High
97°F
1987
Record Low
47°F
2025
Knoxville, TN on August 27 — Temperature History40°F60°F80°F100°F19801990200020102020HighLow

What to Expect on August 27

Planning for August 27th in Knoxville, TN? Stay hydrated and seek shade during peak afternoon hours.

August 27 Weather Records for Knoxville

  • The all-time record high for August 27th in Knoxville, TN is 97°F, set in 1987.
  • The coldest August 27th on record dropped to 47°F in 2025.
  • Temperatures have reached 90°F or higher on August 27th in 20 of the last 55 years.

Frequently Asked Questions

What was the warmest August 27 ever in Knoxville?

The warmest August 27 in Knoxville, TN reached 97°F in 1987. That is 9°F above the long-term average high of 88°F.

What was the coldest August 27 ever in Knoxville?

The coldest August 27 in Knoxville, TN dropped to 47°F in 2025. That is 19°F below the long-term average low of 66°F.

What is the average temperature on August 27 in Knoxville?

On August 27, Knoxville averages a high of 88°F and a low of 66°F based on 55 years of NOAA weather observations from KNOXVILLE UNIV OF TENN.

How many years of weather data are available for August 27 in Knoxville?

We have 55 years of weather records for August 27 in Knoxville, TN, sourced from NOAA's Global Historical Climatology Network. Records include daily high and low temperatures, precipitation, and snowfall data going back to 2025.

August 27 Weather History in Knoxville

YearHighLowPrecipSnow
202577°F47°F0"--
202495°F62°F0"--
202394°F75°F0"--
202290°F68°F0"--
202192°F70°F0"--
202087°F69°F0"--
201987°F66°F0"--
201889°F62°F0"--
201784°F63°F0"--
201696°F74°F0"--
201585°F63°F0"--
201485°F61°F0"--
201384°F64°F0"--
201290°F62°F0"--
201194°F69°F0"--
201089°F63°F0"--
200989°F66°F0"--
200872°F69°F0.94"--
200794°F69°F0"--
200692°F65°F0"--
200586°F68°F0"--
200483°F63°F0"--
200390°F69°F0"--
200286°F66°F0.05"--
200186°F69°F0"--
200089°F60°F0"--
199987°F64°F0"--
199889°F64°F0"--
199787°F61°F0"--
199686°F67°F0.05"--
199577°F70°F0.34"--
199486°F65°F0.05"--
199393°F66°F0"--
199289°F64°F0"--
199176°F65°F0.66"--
199093°F64°F0"--
198987°F70°F0.56"--
198890°F58°F0"--
198797°F73°F0"--
198690°F65°F0.56"--
198581°F65°F0"--
198486°F63°F0"--
198392°F65°F0.33"--
198283°F65°F0"--
198185°F65°F0"--
198089°F66°F0"--
197982°F70°F0.2"--
197885°F68°F0"--
197789°F71°F0"--
197689°F70°F0.09"--
197593°F73°F0"--
197490°F69°F0"--
197391°F64°F0"--
197290°F74°F0"--
197186°F67°F0.04"--

Based on 55 years of data from NOAA station: KNOXVILLE UNIV OF TENN

Monthly Climate Averages

Historical temperature and precipitation averages for Knoxville, TN, based on 55+ years of weather data.

Warmest MonthJulyAvg High: 88°F / Low: 67°F
Coldest MonthJanuaryAvg High: 47°F / Low: 27°F
Jan
47°/ 27°
💧 0.4"
❄️ 1.9"
Feb
52°/ 30°
💧 0.4"
❄️ 2.2"
Mar
61°/ 37°
💧 0.4"
❄️ 2.9"
Apr
70°/ 45°
💧 0.4"
May
78°/ 55°
💧 0.4"
Jun
85°/ 63°
💧 0.4"
Jul
88°/ 67°
💧 0.5"
Aug
87°/ 66°
💧 0.4"
Sep
82°/ 60°
💧 0.5"
Oct
71°/ 47°
💧 0.4"
Nov
61°/ 37°
💧 0.5"
Dec
51°/ 31°
💧 0.5"
❄️ 1.5"

Temperatures in Fahrenheit. Precipitation and snowfall in inches.

📬 Free weekly newsletter

This week in weather history.

Five notable weather anniversaries from the week ahead — deadliest tornadoes, record temps, historic storms — every Sunday. No spam, unsubscribe anytime.

4,200+ readers · Sunday delivery