Buncombe, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Buncombe, a village in Johnson County, Illinois.
This Afternoon
77°F
Slight Chance Rain Showers
A slight chance of rain showers. Mostly cloudy. High near 77, with temperatures falling to around 74 in the afternoon. South wind around 12 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.
7-day forecast for Buncombe
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 77°F | Slight Chance Rain Showers | 12 mph S | 21% |
| Tonight | 56°F | Showers And Thunderstorms | 6 to 13 mph S | 99% |
| Wednesday | 68°F | Partly Sunny | 3 to 9 mph SW | 7% |
| Wednesday Night | 43°F | Mostly Clear | 2 mph WSW | 0% |
| Thursday | 68°F | Sunny | 1 to 6 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 2 mph WNW | 4% |
| Friday | 61°F | Partly Sunny | 2 to 8 mph NNW | 3% |
| Friday Night | 40°F | Partly Cloudy | 1 to 5 mph NNW | 1% |
| Saturday | 57°F | Mostly Sunny | 1 to 5 mph NNW | 0% |
| Saturday Night | 36°F | Partly Cloudy | 0 mph | 1% |
| Sunday | 62°F | Sunny | 0 to 5 mph WNW | 5% |
| Sunday Night | 35°F | Mostly Clear | 2 mph NW | 6% |
| Monday | 64°F | Sunny | 1 to 6 mph W | 2% |
| Monday Night | 38°F | Mostly Clear | 2 mph W | 0% |
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 Nov 4, 2026.