Barbourville, KY Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Barbourville, a city in Knox County, Kentucky.
This Afternoon
92°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 4pm, then showers and thunderstorms likely between 4pm and 5pm, then a chance of showers and thunderstorms. Partly sunny. High near 92, with temperatures falling to around 88 in the afternoon. Heat index values as high as 95. Northwest wind around 3 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Barbourville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 92°F | Chance Showers And Thunderstorms | 3 mph NW | 59% |
| Tonight | 67°F | Chance Showers And Thunderstorms then Areas Of Fog | 0 to 3 mph ENE | 43% |
| Saturday | 91°F | Areas Of Fog then Chance Showers And Thunderstorms | 2 mph NE | 29% |
| Saturday Night | 64°F | Chance Showers And Thunderstorms then Areas Of Fog | 2 mph SE | 31% |
| Sunday | 91°F | Areas Of Fog then Mostly Sunny | 0 to 5 mph SSW | 13% |
| Sunday Night | 66°F | Partly Cloudy | 3 mph SSE | 14% |
| Monday | 90°F | Mostly Sunny then Chance Showers And Thunderstorms | 3 mph S | 35% |
| Monday Night | 65°F | Chance Showers And Thunderstorms | 3 mph ESE | 51% |
| Tuesday | 82°F | Showers And Thunderstorms Likely | 3 mph SW | 68% |
| Tuesday Night | 63°F | Showers And Thunderstorms Likely | 3 mph NE | 68% |
| Wednesday | 78°F | Showers And Thunderstorms Likely | 3 mph WSW | 60% |
| Wednesday Night | 59°F | Showers And Thunderstorms Likely | 3 mph N | 60% |
| Thursday | 75°F | Slight Chance Rain Showers | 1 to 5 mph N | 20% |
| Thursday Night | 58°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph N | 20% |
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 Sep 18, 2026.