Okawville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Okawville, a village in Washington County, Illinois.
Overnight
64°F
Clear
Clear, with a low around 64. East wind around 1 mph.
7-day forecast for Okawville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 64°F | Clear | 1 mph E | 0% |
| Tuesday | 87°F | Patchy Fog then Sunny | 0 mph | 0% |
| Tuesday Night | 66°F | Mostly Clear | 2 mph SE | 0% |
| Wednesday | 89°F | Sunny | 0 to 3 mph S | 3% |
| Wednesday Night | 70°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 mph S | 49% |
| Thursday | 87°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 3 mph SW | 68% |
| Thursday Night | 70°F | Chance Showers And Thunderstorms | 2 mph S | 54% |
| Friday | 87°F | Chance Showers And Thunderstorms | 1 mph SW | 54% |
| Friday Night | 70°F | Chance Showers And Thunderstorms | 0 mph | 38% |
| Saturday | 88°F | Chance Showers And Thunderstorms | 2 mph S | 38% |
| Saturday Night | 71°F | Partly Cloudy | 1 to 5 mph S | 11% |
| Sunday | 91°F | Sunny | 3 to 7 mph S | 7% |
| Sunday Night | 73°F | Mostly Clear | 5 to 8 mph S | 5% |
| Monday | 92°F | Sunny | 7 mph SW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Okawville (38.434, -89.548). Updated through the day.
Growing snapshot for Okawville
Last spring frost
Apr 7
First fall frost
Oct 26
Growing season
201 days
Hardiness zone
6b
More local growing data for Okawville: nearby ZIP 62271 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Nashville 1 E, Il (11.1 mi from Okawville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.