Opdyke, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Opdyke, a community in Jefferson County, Illinois.
Tonight
56°F
Rain Showers
Rain showers before 5am. Mostly cloudy. Low around 56, with temperatures rising to around 58 overnight. South southwest wind around 12 mph, with gusts as high as 22 mph. Chance of precipitation is 100%.
7-day forecast for Opdyke
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 56°F | Rain Showers | 12 mph SSW | 97% |
| Wednesday | 67°F | Partly Sunny | 7 to 13 mph WSW | 12% |
| Wednesday Night | 44°F | Partly Cloudy | 5 mph WSW | 0% |
| Thursday | 69°F | Sunny | 3 to 12 mph WSW | 0% |
| Thursday Night | 44°F | Mostly Cloudy | 2 mph WNW | 5% |
| Friday | 61°F | Mostly Cloudy | 3 to 12 mph NNW | 2% |
| Friday Night | 39°F | Partly Cloudy | 2 to 7 mph NNW | 1% |
| Saturday | 57°F | Mostly Sunny | 2 to 6 mph NNW | 0% |
| Saturday Night | 35°F | Partly Cloudy | 1 mph NW | 1% |
| Sunday | 62°F | Sunny | 1 to 8 mph W | 6% |
| Sunday Night | 34°F | Mostly Clear | 3 mph NW | 5% |
| Monday | 66°F | Sunny | 1 to 9 mph W | 3% |
| Monday Night | 38°F | Mostly Clear | 5 mph SW | 0% |
| Tuesday | 69°F | Sunny | 2 to 7 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Opdyke (38.258, -88.790). Updated through the day.
Growing snapshot for Opdyke
Last spring frost
Apr 11
First fall frost
Oct 22
Growing season
193 days
Hardiness zone
6b
More local growing data for Opdyke: nearby ZIP 62872 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Mt Vernon 3 Ne, Il (6 mi from Opdyke). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.