Frost dates in Knox County, Tennessee

Wildflower meadow below forested ridges in the Great Smoky Mountains, Tennessee — Photo: Rhododendrites, CC BY-SA 4.0, via Wikimedia Commons

The average last spring frost in Knox County falls Mar 31 to Apr 22 and the average first fall frost Oct 25 to Nov 4, depending on the ZIP code (50% odds, 32°F, NOAA 1991–2020 normals). USDA hardiness zone 7b. Places: Farragut, Halls, Karns, Knoxville, Mascot, Plainview. Pick a ZIP for 10% and 90% odds, soil temperature and the 7-day freeze forecast.

ZIP	Place	Last spring frost	First fall frost	Zone
37721	Plainview	Apr 22	Oct 25	7b
37806	Mascot	Apr 6	Oct 29	7b
37849	Powell	Mar 31	Nov 4	7b
37871	Strawberry Plains	Apr 6	Oct 29	7b
37902	Knoxville	Apr 11	Oct 28	7b
37909	Knoxville	Apr 11	Oct 28	7b
37912	Knoxville	Apr 11	Oct 28	7b
37914	Knoxville	Apr 11	Oct 28	7b
37915	Knoxville	Apr 11	Oct 28	7b
37916	Knoxville	Apr 11	Oct 28	7b
37917	Knoxville	Apr 11	Oct 28	7b
37918	Knoxville	Apr 11	Oct 28	7b
37919	Knoxville	Apr 11	Oct 28	7b
37920	Knoxville	Apr 11	Oct 28	7b
37921	Knoxville	Apr 11	Oct 28	7b
37922	Knoxville	Apr 1	Nov 2	7b
37923	Knoxville	Apr 11	Oct 28	7b
37924	Knoxville	Apr 11	Oct 28	7b
37929	Knoxville	Apr 11	Oct 28	7b
37931	Karns	Mar 31	Nov 4	7b
37932		Apr 5	Nov 1	7b
37934	Farragut	Apr 5	Nov 1	7b
37938	Halls	Apr 22	Oct 25	7b

Nearby counties

Anderson County Blount County Union County Sevier County Loudon County Jefferson County

All Tennessee counties · Download Tennessee frost dates (CSV)

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