Du Bois, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Du Bois, a village in Washington County, Illinois.
Tonight
55°F
Rain
Rain and a slight chance of thunderstorms before 3am, then a chance of rain showers between 3am and 5am, then a slight chance of rain. Cloudy. Low around 55, with temperatures rising to around 58 overnight. South wind 9 to 16 mph, with gusts as high as 32 mph. Chance of precipitation is 100%.
7-day forecast for Du Bois
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 55°F | Rain | 9 to 16 mph S | 96% |
| Wednesday | 67°F | Chance Rain Showers then Mostly Cloudy | 6 to 13 mph WSW | 14% |
| Wednesday Night | 42°F | Partly Cloudy | 3 mph WSW | 0% |
| Thursday | 69°F | Sunny | 3 to 10 mph WSW | 0% |
| Thursday Night | 43°F | Mostly Cloudy | 3 mph WNW | 6% |
| Friday | 61°F | Partly Sunny | 5 to 13 mph NNW | 2% |
| Friday Night | 38°F | Partly Cloudy | 2 to 6 mph NNW | 1% |
| Saturday | 57°F | Mostly Sunny | 5 mph NNW | 0% |
| Saturday Night | 34°F | Partly Cloudy | 1 mph WNW | 1% |
| Sunday | 62°F | Sunny | 1 to 8 mph W | 5% |
| Sunday Night | 34°F | Mostly Clear | 3 mph WNW | 4% |
| Monday | 66°F | Sunny | 1 to 9 mph WSW | 2% |
| Monday Night | 38°F | Mostly Clear | 3 mph SW | 0% |
| Tuesday | 70°F | Sunny | 6 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Du Bois (38.221, -89.213). Updated through the day.
Growing snapshot for Du Bois
Last spring frost
Apr 7
First fall frost
Oct 26
Growing season
201 days
Hardiness zone
6b
More local growing data for Du Bois: nearby ZIP 62831 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Nashville 1 E, Il (10.5 mi from Du Bois). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.