Calhoun, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Calhoun, a town in Mcminn County, Tennessee.
Tonight
70°F
Partly Cloudy
Partly cloudy, with a low around 70. North wind around 0 mph.
7-day forecast for Calhoun
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 70°F | Partly Cloudy | 0 mph | 12% |
| Saturday | 96°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph N | 17% |
| Saturday Night | 69°F | Chance Showers And Thunderstorms | 0 to 5 mph N | 26% |
| Sunday | 94°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SW | 22% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 22% |
| Monday | 94°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 48% |
| Monday Night | 68°F | Chance Showers And Thunderstorms | 0 mph | 50% |
| Tuesday | 90°F | Showers And Thunderstorms Likely | 0 mph | 71% |
| Tuesday Night | 65°F | Showers And Thunderstorms Likely | 0 mph | 71% |
| Wednesday | 84°F | Showers And Thunderstorms Likely | 0 mph | 58% |
| Wednesday Night | 62°F | Showers And Thunderstorms Likely | 0 mph | 58% |
| Thursday | 81°F | Partly Sunny then Slight Chance Rain Showers | 0 to 5 mph N | 16% |
| Thursday Night | 60°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 16% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph N | 12% |
Forecast source: National Weather Service (api.weather.gov) for Calhoun (35.302, -84.741). Updated through the day.
Growing snapshot for Calhoun
Last spring frost
Apr 6
First fall frost
Oct 30
Growing season
206 days
Hardiness zone
7b
More local growing data for Calhoun: nearby ZIP 37309 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cleveland Fltr Plt, Tn (6.4 mi from Calhoun). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.