Harman US

Lawrenceville, IL Weather & Growing Conditions

This Afternoon
68°F
Slight Chance Drizzle
A slight chance of drizzle. Mostly cloudy. High near 68, with temperatures falling to around 63 in the afternoon. West wind 8 to 13 mph, with gusts as high as 18 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 68°F Slight Chance Drizzle 8 to 13 mph W 10%
Tonight 47°F Patchy Drizzle then Mostly Cloudy 2 to 6 mph SW 10%
Thursday 63°F Mostly Sunny 5 to 12 mph WSW 0%
Thursday Night 44°F Mostly Cloudy 5 mph WNW 10%
Friday 57°F Partly Sunny 3 to 12 mph NNW 1%
Friday Night 34°F Mostly Clear 2 to 8 mph NNW 0%
Saturday 55°F Sunny 2 to 7 mph NNW 0%
Saturday Night 31°F Mostly Clear 0 to 3 mph NW 0%
Sunday 59°F Sunny 0 to 7 mph WNW 0%
Sunday Night 33°F Mostly Clear 0 to 3 mph NW 0%
Monday 64°F Sunny 0 to 6 mph SW 0%
Monday Night 37°F Clear 3 mph SW 0%
Tuesday 65°F Sunny 2 to 6 mph W 0%
Tuesday Night 38°F Mostly Clear 0 to 3 mph NW 1%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Lawrenceville, IL

Last spring frost
Apr 8
First fall frost
Oct 26
Growing season
200 days
Hardiness zone
6b

Explore more for Lawrenceville, IL: full frost dates · planting calendar · Illinois frost dates

Climate data from the nearest NOAA station, Lawrenceville Intl Ap, Il (2.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 5, 2026.