Harman US

Oconee, IL Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Oconee, a village in Shelby County, Illinois.

This Afternoon
60°F
Slight Chance Drizzle
A slight chance of drizzle. Mostly cloudy, with a high near 60. West southwest wind around 9 mph.

7-day forecast for Oconee

WhenTempForecastWindPrecip
This Afternoon 60°F Slight Chance Drizzle 9 mph WSW 10%
Tonight 43°F Slight Chance Drizzle then Mostly Cloudy 6 mph WSW 10%
Thursday 59°F Mostly Sunny 6 to 12 mph WSW 6%
Thursday Night 41°F Mostly Cloudy 3 to 7 mph NW 10%
Friday 52°F Partly Sunny 7 to 10 mph N 1%
Friday Night 30°F Mostly Clear 5 mph NNW 0%
Saturday 52°F Sunny 5 mph NNW 0%
Saturday Night 29°F Mostly Clear 2 mph NW 0%
Sunday 58°F Sunny 1 to 5 mph W 0%
Sunday Night 32°F Mostly Clear 2 mph WNW 0%
Monday 64°F Sunny 0 to 6 mph WSW 0%
Monday Night 36°F Clear 3 mph WSW 0%
Tuesday 64°F Sunny 5 mph W 2%
Tuesday Night 37°F Mostly Clear 2 mph NW 2%

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

All Illinois locations ›

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 5, 2026.