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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

WhenTempForecastWindPrecip
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

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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.