Oglesby, IL Weather & Growing Conditions
Overnight
57°F
Rain
Rain. Cloudy. Low around 57, with temperatures rising to around 60 overnight. South wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 57°F | Rain | 15 mph S | 84% |
| Wednesday | 60°F | Chance Rain then Mostly Cloudy | 15 mph SW | 35% |
| Wednesday Night | 47°F | Mostly Cloudy | 10 to 15 mph SW | 9% |
| Thursday | 58°F | Mostly Cloudy then Chance Rain Showers | 10 to 15 mph WSW | 30% |
| Thursday Night | 43°F | Chance Rain Showers | 5 mph NW | 35% |
| Friday | 53°F | Slight Chance Rain Showers | 10 mph N | 20% |
| Friday Night | 36°F | Partly Cloudy | 0 to 5 mph NNW | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph WNW | 3% |
| Saturday Night | 35°F | Partly Cloudy | 0 mph | 3% |
| Sunday | 58°F | Sunny | 0 to 10 mph W | 14% |
| Sunday Night | 36°F | Mostly Clear | 0 to 5 mph W | 5% |
| Monday | 63°F | Sunny | 0 to 10 mph WSW | 3% |
| Monday Night | 40°F | Mostly Clear | 5 mph WSW | 1% |
| Tuesday | 64°F | Sunny | 5 mph WNW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Oglesby, IL
Last spring frost
Apr 24
First fall frost
Oct 18
Growing season
176 days
Hardiness zone
5b
Explore more for Oglesby, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Peru, Il (5.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.