Lawrenceville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lawrenceville, a city in Lawrence County, Illinois.
Overnight
70°F
Mostly Cloudy
Mostly cloudy, with a low around 70. East southeast wind around 5 mph.
7-day forecast for Lawrenceville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 70°F | Mostly Cloudy | 5 mph ESE | 5% |
| Saturday | 95°F | Sunny | 5 to 9 mph SSW | 14% |
| Saturday Night | 71°F | Partly Cloudy | 7 mph S | 9% |
| Sunday | 94°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 8 mph W | 16% |
| Sunday Night | 67°F | Chance Showers And Thunderstorms | 7 mph NNE | 35% |
| Monday | 82°F | Chance Rain Showers | 8 to 12 mph NE | 49% |
| Monday Night | 60°F | Chance Showers And Thunderstorms | 8 to 13 mph NNE | 49% |
| Tuesday | 74°F | Chance Showers And Thunderstorms | 13 mph NNE | 42% |
| Tuesday Night | 57°F | Mostly Cloudy | 6 to 13 mph NNE | 11% |
| Wednesday | 74°F | Partly Sunny | 6 to 10 mph N | 5% |
| Wednesday Night | 56°F | Partly Cloudy | 3 to 10 mph N | 4% |
| Thursday | 75°F | Mostly Sunny | 5 to 9 mph N | 4% |
| Thursday Night | 57°F | Partly Cloudy | 3 to 9 mph NNE | 4% |
| Friday | 76°F | Mostly Sunny | 5 to 9 mph NNE | 3% |
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 Sep 19, 2026.