Coalfield, TN Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Coalfield, a community in Morgan County, Tennessee.
This Afternoon
77°F
Sunny
Sunny. High near 77, with temperatures falling to around 73 in the afternoon. South wind 5 to 10 mph, with gusts as high as 20 mph.
7-day forecast for Coalfield
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Sunny | 5 to 10 mph S | 1% |
| Tonight | 61°F | Mostly Cloudy then Slight Chance Rain Showers | 0 to 5 mph SE | 21% |
| Wednesday | 69°F | Showers And Thunderstorms | 5 to 10 mph S | 95% |
| Wednesday Night | 59°F | Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph SW | 93% |
| Thursday | 73°F | Mostly Sunny | 0 to 5 mph W | 9% |
| Thursday Night | 50°F | Mostly Cloudy | 0 mph | 7% |
| Friday | 71°F | Mostly Sunny | 0 to 5 mph NW | 3% |
| Friday Night | 44°F | Mostly Clear | 0 to 5 mph NW | 3% |
| Saturday | 63°F | Mostly Sunny | 0 to 5 mph N | 1% |
| Saturday Night | 38°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Sunday | 63°F | Mostly Sunny | 0 mph | 7% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph NW | 7% |
| Monday | 63°F | Sunny | 0 mph | 7% |
| Monday Night | 37°F | Mostly Clear | 0 mph | 4% |
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 Nov 3, 2026.