Barbourville, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barbourville, a city in Knox County, Kentucky.
Today
86°F
Mostly Sunny then Chance Showers And Thunderstorms
A slight chance of rain showers between 2pm and 3pm, then a chance of showers and thunderstorms between 3pm and 5pm, then a chance of showers and thunderstorms. Mostly sunny. High near 86, with temperatures falling to around 83 in the afternoon. North northeast wind around 2 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Barbourville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 86°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 mph NNE | 35% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Areas Of Fog | 2 mph ESE | 34% |
| Wednesday | 84°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 2 mph S | 42% |
| Wednesday Night | 68°F | Chance Showers And Thunderstorms | 1 mph S | 35% |
| Thursday | 84°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 62% |
| Thursday Night | 68°F | Showers And Thunderstorms Likely then Partly Cloudy | 2 mph S | 62% |
| Friday | 86°F | Showers And Thunderstorms Likely | 0 to 3 mph S | 64% |
| Friday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph S | 64% |
| Saturday | 86°F | Showers And Thunderstorms Likely | 3 mph SSW | 61% |
| Saturday Night | 68°F | Showers And Thunderstorms Likely then Slight Chance Showers And Thunderstorms | 2 mph SSW | 61% |
| Sunday | 87°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 32% |
| Sunday Night | 69°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 mph SSW | 32% |
| Monday | 88°F | Chance Showers And Thunderstorms | 0 to 3 mph SW | 26% |
| Monday Night | 70°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 3 mph SSW | 26% |
Forecast source: National Weather Service (api.weather.gov) for Barbourville (36.866, -83.883). Updated through the day.
Growing snapshot for Barbourville
Last spring frost
Apr 19
First fall frost
Oct 24
Growing season
187 days
Hardiness zone
7a
More local growing data for Barbourville: nearby ZIP 40906 weather · frost dates · planting calendar · Kentucky frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Barbourville, Ky (0.6 mi from Barbourville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.