Buncombe, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buncombe, a village in Johnson County, Illinois.
Tonight
71°F
Mostly Clear
Mostly clear, with a low around 71. East wind around 1 mph.
7-day forecast for Buncombe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 71°F | Mostly Clear | 1 mph E | 12% |
| Saturday | 98°F | Sunny | 1 to 6 mph SW | 3% |
| Saturday Night | 72°F | Partly Cloudy | 2 mph SSW | 1% |
| Sunday | 97°F | Sunny | 2 to 6 mph WSW | 2% |
| Sunday Night | 70°F | Partly Cloudy | 2 mph N | 5% |
| Monday | 90°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 6 mph N | 41% |
| Monday Night | 64°F | Chance Showers And Thunderstorms | 3 to 7 mph NNE | 41% |
| Tuesday | 78°F | Slight Chance Showers And Thunderstorms then Partly Sunny | 6 to 10 mph N | 17% |
| Tuesday Night | 59°F | Partly Cloudy | 3 to 10 mph N | 8% |
| Wednesday | 76°F | Mostly Sunny | 7 mph N | 4% |
| Wednesday Night | 57°F | Partly Cloudy | 2 to 6 mph NNE | 3% |
| Thursday | 77°F | Mostly Sunny | 2 to 7 mph N | 3% |
| Thursday Night | 59°F | Partly Cloudy | 5 mph NNE | 3% |
| Friday | 77°F | Mostly Sunny | 3 to 7 mph NNE | 4% |
Forecast source: National Weather Service (api.weather.gov) for Buncombe (37.471, -88.975). Updated through the day.
Growing snapshot for Buncombe
Last spring frost
Apr 8
First fall frost
Oct 29
Growing season
203 days
Hardiness zone
7a
More local growing data for Buncombe: nearby ZIP 62912 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Anna 2 Nne, Il (11.1 mi from Buncombe). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.