Coalmont, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coalmont, a city in Grundy County, Tennessee.
Today
90°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after 1pm. Mostly sunny. High near 90, with temperatures falling to around 83 in the afternoon. Northeast wind around 0 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Coalmont
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 35% |
| Tonight | 68°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph SE | 21% |
| Sunday | 88°F | Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 24% |
| Sunday Night | 68°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 15% |
| Monday | 87°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 44% |
| Monday Night | 65°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 mph | 64% |
| Tuesday | 82°F | Showers And Thunderstorms | 0 to 5 mph SW | 77% |
| Tuesday Night | 63°F | Showers And Thunderstorms | 0 to 5 mph ENE | 77% |
| Wednesday | 75°F | Rain Showers Likely | 0 to 5 mph WSW | 67% |
| Wednesday Night | 59°F | Showers And Thunderstorms Likely | 0 to 5 mph NE | 67% |
| Thursday | 74°F | Mostly Sunny then Slight Chance Rain Showers | 0 to 5 mph N | 19% |
| Thursday Night | 57°F | Slight Chance Rain Showers then Partly Cloudy | 0 mph | 19% |
| Friday | 74°F | Mostly Sunny | 0 to 5 mph NNE | 12% |
| Friday Night | 55°F | Partly Cloudy | 0 to 5 mph NNE | 12% |
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 Sep 19, 2026.