Oglesby, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Oglesby, a city in Lasalle County, Illinois.
Tonight
57°F
Rain
Rain. Cloudy. Low around 57, with temperatures rising to around 60 overnight. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Oglesby
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 57°F | Rain | 10 to 15 mph S | 92% |
| Wednesday | 60°F | Chance Rain then Mostly Cloudy | 15 mph SW | 34% |
| Wednesday Night | 47°F | Mostly Cloudy | 10 to 15 mph SW | 9% |
| Thursday | 57°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 | 35°F | Mostly Clear | 0 to 5 mph W | 5% |
| Monday | 63°F | Sunny | 0 to 10 mph SW | 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) for Oglesby (41.293, -89.071). Updated through the day.
Growing snapshot for Oglesby
Last spring frost
Apr 24
First fall frost
Oct 18
Growing season
176 days
Hardiness zone
5b
More local growing data for Oglesby: nearby ZIP 61348 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Cedar Point
Dana
Dayton
Earlville
Grand Ridge
Harding
Kangley
LaSalle
Leland
Leonore
Lostant
Marseilles
Mendota
Millington
Naplate
Newark
North Utica
Ottawa
Peru
Ransom
Rutland
Seneca
Serena
Sheridan
Streator
Tonica
Triumph
Troy Grove
Wedron
Wenona
Climate data from the nearest NOAA station, Peru, Il (5.8 mi from Oglesby). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.