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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

WhenTempForecastWindPrecip
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

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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.