Coalfield, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coalfield, a community in Morgan County, Tennessee.
Today
88°F
Mostly Sunny then Chance Showers And Thunderstorms
A chance of showers and thunderstorms after noon. Mostly sunny, with a high near 88. Heat index values as high as 96. Wind around 0 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Coalfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 88°F | Mostly Sunny then Chance Showers And Thunderstorms | 0 mph | 31% |
| Tonight | 69°F | Chance Showers And Thunderstorms then Mostly Cloudy | 0 mph | 30% |
| Wednesday | 87°F | Mostly Sunny then Showers And Thunderstorms Likely | 0 mph | 55% |
| Wednesday Night | 69°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 60% |
| Thursday | 87°F | Chance Showers And Thunderstorms | 0 mph | 60% |
| Thursday Night | 69°F | Showers And Thunderstorms Likely then Partly Cloudy | 0 mph | 60% |
| Friday | 88°F | Chance Showers And Thunderstorms | 0 mph | 48% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 0 mph | 48% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 0 mph | 63% |
| Saturday Night | 69°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 0 mph | 63% |
| Sunday | 88°F | Chance Showers And Thunderstorms | 0 mph | 43% |
| Sunday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 43% |
| Monday | 88°F | Chance Showers And Thunderstorms | 0 mph | 42% |
| Monday Night | 71°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 mph | 42% |
Forecast source: National Weather Service (api.weather.gov) for Coalfield (36.023, -84.442). Updated through the day.
Growing snapshot for Coalfield
Last spring frost
Apr 5
First fall frost
Nov 1
Growing season
210 days
Hardiness zone
7b
More local growing data for Coalfield: nearby ZIP 37719 weather · frost dates · planting calendar · Tennessee frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Oak Ridge Atdd, Tn (10.1 mi from Coalfield). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.