Oconee, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oconee, a village in Shelby County, Illinois.
Overnight
53°F
Light Rain Likely
Rain likely before 4am, then a slight chance of rain showers between 4am and 5am. Mostly cloudy. Low around 53, with temperatures rising to around 58 overnight. South southwest wind around 12 mph, with gusts as high as 20 mph. Chance of precipitation is 70%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Oconee
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 53°F | Light Rain Likely | 12 mph SSW | 73% |
| Wednesday | 62°F | Mostly Cloudy | 8 to 13 mph SW | 12% |
| Wednesday Night | 42°F | Partly Cloudy | 6 mph SW | 0% |
| Thursday | 63°F | Sunny | 6 to 12 mph WSW | 1% |
| Thursday Night | 42°F | Mostly Cloudy | 5 mph WNW | 13% |
| Friday | 56°F | Mostly Cloudy | 5 to 9 mph NNW | 11% |
| Friday Night | 36°F | Partly Cloudy | 2 to 6 mph NNW | 5% |
| Saturday | 55°F | Mostly Sunny | 3 mph NW | 1% |
| Saturday Night | 33°F | Partly Cloudy | 2 mph W | 1% |
| Sunday | 60°F | Sunny | 2 to 7 mph W | 7% |
| Sunday Night | 33°F | Mostly Clear | 3 mph WNW | 5% |
| Monday | 64°F | Sunny | 2 to 8 mph WSW | 3% |
| Monday Night | 38°F | Mostly Clear | 3 mph SW | 2% |
| Tuesday | 67°F | Sunny | 6 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov) for Oconee (39.286, -89.107). Updated through the day.
Growing snapshot for Oconee
Last spring frost
Apr 17
First fall frost
Oct 23
Growing season
188 days
Hardiness zone
6b
More local growing data for Oconee: nearby ZIP 62553 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Cowden
Findlay
Herrick
Lakewood
Moweaqua
Shelbyville
Sigel
Stewardson
Strasburg
Tower Hill
Westervelt
Windsor
Climate data from the nearest NOAA station, Pana, Il (6.8 mi from Oconee). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.