Okawville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Okawville, a village in Washington County, Illinois.
Overnight
72°F
Mostly Clear
Mostly clear, with a low around 72. Southeast wind around 6 mph.
7-day forecast for Okawville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 72°F | Mostly Clear | 6 mph SE | 3% |
| Saturday | 97°F | Mostly Sunny | 2 to 7 mph SW | 4% |
| Saturday Night | 72°F | Partly Cloudy | 5 mph S | 3% |
| Sunday | 93°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 2 to 6 mph W | 19% |
| Sunday Night | 67°F | Slight Chance Showers And Thunderstorms | 7 mph N | 54% |
| Monday | 80°F | Showers And Thunderstorms Likely | 5 to 10 mph NE | 64% |
| Monday Night | 59°F | Showers And Thunderstorms Likely | 5 to 12 mph NE | 64% |
| Tuesday | 72°F | Chance Rain Showers then Partly Sunny | 8 to 12 mph N | 27% |
| Tuesday Night | 54°F | Partly Cloudy | 5 to 12 mph N | 8% |
| Wednesday | 74°F | Mostly Sunny | 6 to 10 mph N | 3% |
| Wednesday Night | 54°F | Partly Cloudy | 2 to 8 mph N | 1% |
| Thursday | 76°F | Mostly Sunny | 2 to 7 mph N | 2% |
| Thursday Night | 57°F | Partly Cloudy | 2 to 6 mph NE | 3% |
| Friday | 77°F | Mostly Sunny | 2 to 7 mph NE | 3% |
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 Sep 19, 2026.