Opdyke, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Opdyke, a community in Jefferson County, Illinois.
Overnight
63°F
Clear
Clear. Low around 63, with temperatures rising to around 65 overnight. East southeast wind around 1 mph.
7-day forecast for Opdyke
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 63°F | Clear | 1 mph ESE | 0% |
| Tuesday | 87°F | Patchy Fog then Sunny | 1 mph ENE | 0% |
| Tuesday Night | 63°F | Mostly Clear | 1 mph NE | 0% |
| Wednesday | 89°F | Sunny | 0 mph | 0% |
| Wednesday Night | 68°F | Partly Cloudy | 2 mph S | 11% |
| Thursday | 88°F | Chance Showers And Thunderstorms | 1 to 6 mph SSW | 34% |
| Thursday Night | 69°F | Chance Showers And Thunderstorms | 0 to 3 mph SSE | 60% |
| Friday | 87°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 0 to 5 mph SW | 60% |
| Friday Night | 69°F | Chance Showers And Thunderstorms | 1 mph W | 43% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 3 mph SSW | 43% |
| Saturday Night | 70°F | Partly Cloudy | 2 mph SSW | 14% |
| Sunday | 91°F | Mostly Sunny | 2 to 7 mph SSW | 7% |
| Sunday Night | 72°F | Mostly Clear | 6 mph SSW | 4% |
| Monday | 92°F | Sunny | 5 to 8 mph SSW | 6% |
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 Aug 4, 2026.