Frost dates · Tennessee
When is the first frost in Knoxville?
Knoxville right now
44°FBroken cloud
- Today44°F / 39°FClouds
- Tomorrow54°F / 39°FClouds
- Monday54°F / 36°FClear skies
Cloudy, as promised.
Live from OpenWeatherMap. Alerts from the National Weather Service.
In a typical year, Knoxville’s first frost comes around November 2 and its last around April 1.
One year in ten the first frost comes as early as October 21, and nine years in ten it has arrived by November 15. One year in ten the last frost is over as early as March 14, and nine years in ten it is over by April 17. Knoxville averages about 67 nights a year at 32°F or colder, with about 215 frost-free days in between in a typical year. It’s frost season here, and the last frost usually comes around April 1. That makes it the 46th latest first frost of the 117 cities we track where it freezes most years.
Last updated
No freeze in the forecast for the next 48 hours.
Knoxville gets frost from early November to about April Fools’ Day, and the timing feels about right.
Live 48-hour check from OpenWeatherMap, refreshed about every half hour. Alerts from the National Weather Service.
Frost dates, early, typical and late years
| Early year (1 in 10) | Typical | Late year (1 in 10) | |
|---|---|---|---|
| First frost | October 21 | November 2 | November 15 |
| Last frost | March 14 | April 1 | April 17 |
A frost date here is a night when the official thermometer reads 32°F or colder. Frost on the ground can show up on clear, calm nights a few degrees milder.
Cities with about the same first frost
- Harrisburg, Pennsylvania: first frost around November 2
- Lubbock, Texas: first frost around November 2
- Oklahoma City, Oklahoma: first frost around November 2
Source: NOAA U.S. Climate Normals, 1991 to 2020, station USW00013891.