Coalmont, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coalmont, a city in Grundy County, Tennessee.
This Afternoon
67°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 67. South wind 5 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.
7-day forecast for Coalmont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Showers And Thunderstorms | 5 to 15 mph S | 98% |
| Tonight | 53°F | Slight Chance Rain Showers then Patchy Fog | 0 to 5 mph W | 17% |
| Thursday | 70°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph WNW | 0% |
| Thursday Night | 47°F | Mostly Clear | 0 mph | 0% |
| Friday | 66°F | Sunny | 0 to 5 mph NNW | 1% |
| Friday Night | 41°F | Partly Cloudy | 5 mph NNW | 0% |
| Saturday | 57°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Sunday | 57°F | Mostly Sunny | 0 to 5 mph N | 0% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph N | 1% |
| Monday | 61°F | Sunny | 0 to 5 mph N | 0% |
| Monday Night | 38°F | Mostly Clear | 0 mph | 2% |
| Tuesday | 64°F | Sunny | 0 to 5 mph WNW | 2% |
| Tuesday Night | 40°F | Mostly Clear | 0 mph | 0% |
Forecast source: National Weather Service (api.weather.gov) for Coalmont (35.344, -85.714). Updated through the day.
Growing snapshot for Coalmont
Last spring frost
Apr 21
First fall frost
Oct 20
Growing season
182 days
Hardiness zone
7a
More local growing data for Coalmont: nearby ZIP 37313 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Coalmont, Tn (0.7 mi from Coalmont). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.