Lawrenceville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lawrenceville, a city in Lawrence County, Illinois.
Tonight
60°F
Rain
Rain before 3am, then rain showers likely. Mostly cloudy, with a low around 60. South wind 12 to 16 mph, with gusts as high as 26 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
7-day forecast for Lawrenceville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 60°F | Rain | 12 to 16 mph S | 95% |
| Wednesday | 67°F | Chance Rain Showers then Partly Sunny | 8 to 13 mph SW | 30% |
| Wednesday Night | 45°F | Mostly Cloudy | 2 to 6 mph SW | 0% |
| Thursday | 66°F | Sunny | 5 to 12 mph SW | 0% |
| Thursday Night | 45°F | Partly Cloudy | 3 mph WNW | 3% |
| Friday | 59°F | Partly Sunny | 2 to 9 mph NNW | 4% |
| Friday Night | 39°F | Partly Cloudy | 2 to 7 mph NNW | 4% |
| Saturday | 56°F | Mostly Sunny | 5 mph NNW | 1% |
| Saturday Night | 35°F | Partly Cloudy | 2 mph NW | 2% |
| Sunday | 60°F | Mostly Sunny | 1 to 7 mph W | 7% |
| Sunday Night | 34°F | Mostly Clear | 1 to 5 mph WNW | 6% |
| Monday | 63°F | Sunny | 1 to 8 mph W | 3% |
| Monday Night | 38°F | Mostly Clear | 6 mph SW | 1% |
| Tuesday | 66°F | Sunny | 3 to 7 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Lawrenceville (38.726, -87.687). Updated through the day.
Growing snapshot for Lawrenceville
Last spring frost
Apr 8
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
6b
More local growing data for Lawrenceville: nearby ZIP 62439 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Lawrenceville Intl Ap, Il (2.3 mi from Lawrenceville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.