Fairmount, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Fairmount, a community in Hamilton County, Tennessee.
Tonight
70°F
Scattered Showers And Thunderstorms then Mostly Clear
Scattered showers and thunderstorms before 10pm. Mostly clear, with a low around 70. North wind 0 to 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Fairmount
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Scattered Showers And Thunderstorms then Mostly Clear | 0 to 5 mph N | 24% |
| Saturday | 90°F | Sunny then Chance Showers And Thunderstorms | 0 mph | 50% |
| Saturday Night | 68°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph E | 36% |
| Sunday | 87°F | Sunny then Chance Showers And Thunderstorms | 0 to 5 mph S | 41% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 41% |
| Monday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 53% |
| Monday Night | 67°F | Chance Showers And Thunderstorms | 0 mph | 53% |
| Tuesday | 84°F | Showers And Thunderstorms Likely | 0 mph | 73% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 0 to 5 mph SE | 73% |
| Wednesday | 79°F | Chance Rain Showers | 0 to 5 mph SW | 53% |
| Wednesday Night | 61°F | Chance Showers And Thunderstorms | 5 mph N | 53% |
| Thursday | 76°F | Mostly Sunny then Slight Chance Rain Showers | 5 mph N | 15% |
| Thursday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 5 mph N | 15% |
| Friday | 76°F | Mostly Sunny | 5 mph N | 13% |
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
7b
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 Sep 19, 2026.