Ohio, IL Weather & Growing Conditions
This Afternoon
59°F
Slight Chance Drizzle
A slight chance of drizzle. Cloudy. High near 59, with temperatures falling to around 56 in the afternoon. Southwest wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 59°F | Slight Chance Drizzle | 10 to 15 mph SW | 11% |
| Tonight | 47°F | Slight Chance Rain Showers | 10 to 15 mph SW | 16% |
| Thursday | 51°F | Chance Rain Showers | 10 to 15 mph W | 33% |
| Thursday Night | 39°F | Chance Rain Showers then Mostly Cloudy | 10 mph N | 26% |
| Friday | 48°F | Mostly Sunny | 5 to 10 mph N | 0% |
| Friday Night | 29°F | Mostly Clear | 0 to 5 mph N | 0% |
| Saturday | 51°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 32°F | Mostly Clear | 0 to 5 mph W | 0% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 0% |
| Sunday Night | 35°F | Mostly Clear | 0 to 5 mph W | 0% |
| Monday | 62°F | Sunny | 0 to 10 mph SW | 0% |
| Monday Night | 39°F | Clear | 5 mph W | 0% |
| Tuesday | 61°F | Sunny | 0 to 5 mph NW | 2% |
| Tuesday Night | 39°F | Partly Cloudy | 0 mph | 2% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Ohio, IL
Last spring frost
Apr 24
First fall frost
Oct 14
Growing season
172 days
Hardiness zone
5b
Explore more for Ohio, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Walnut, Il (8.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.