Fairmount, TN Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Fairmount, a community in Hamilton County, Tennessee.

This Afternoon

68°F

Mostly Cloudy

Mostly cloudy, with a high near 68. Southeast wind 10 to 15 mph, with gusts as high as 25 mph.

7-day forecast for Fairmount

When	Temp	Forecast	Wind	Precip
This Afternoon	68°F	Mostly Cloudy	10 to 15 mph SE	2%
Tonight	62°F	Showers And Thunderstorms Likely	10 to 15 mph SE	66%
Wednesday	65°F	Showers And Thunderstorms	10 to 15 mph S	98%
Wednesday Night	59°F	Showers And Thunderstorms	0 to 5 mph SW	90%
Thursday	68°F	Partly Sunny then Slight Chance Rain Showers	0 to 5 mph SW	15%
Thursday Night	53°F	Slight Chance Rain Showers	0 mph	23%
Friday	66°F	Slight Chance Rain Showers	0 to 5 mph W	23%
Friday Night	48°F	Mostly Clear	0 to 5 mph NW	8%
Saturday	60°F	Mostly Sunny	5 mph N	1%
Saturday Night	45°F	Partly Cloudy	5 mph N	1%
Sunday	58°F	Mostly Sunny	5 mph NW	6%
Sunday Night	42°F	Slight Chance Rain Showers	5 mph NW	15%
Monday	55°F	Sunny	5 to 10 mph NW	9%
Monday Night	40°F	Mostly Clear	0 to 5 mph NW	6%

Forecast source: National Weather Service (api.weather.gov) for Fairmount (35.186, -85.330). Updated through the day.

Growing snapshot for Fairmount

Last spring frost

Mar 26

First fall frost

Nov 8

Growing season

228 days

Hardiness zone

More local growing data for Fairmount: nearby ZIP 37377 weather · frost dates · planting calendar · Tennessee frost dates

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Climate data from the nearest NOAA station, Whitwell-Sequatchie Vly, Tn (8.3 mi from Fairmount). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.