Lawrence, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Lawrence, a community in Mchenry County, Illinois.
This Afternoon
70°F
Chance Rain Showers
A chance of rain showers. Mostly cloudy, with a high near 70. East wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Lawrence
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 70°F | Chance Rain Showers | 10 to 15 mph E | 29% |
| Tonight | 61°F | Slight Chance Rain Showers then Showers And Thunderstorms Likely | 10 mph E | 79% |
| Saturday | 75°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 5 to 10 mph ESE | 95% |
| Saturday Night | 61°F | Showers And Thunderstorms Likely then Showers And Thunderstorms | 5 to 10 mph ENE | 76% |
| Sunday | 66°F | Showers And Thunderstorms Likely | 10 to 15 mph NE | 65% |
| Sunday Night | 54°F | Chance Rain Showers | 10 to 15 mph NE | 41% |
| Monday | 63°F | Chance Rain Showers | 15 mph ENE | 36% |
| Monday Night | 49°F | Chance Rain Showers | 10 to 15 mph NE | 36% |
| Tuesday | 61°F | Slight Chance Rain Showers | 10 to 15 mph NE | 18% |
| Tuesday Night | 49°F | Mostly Cloudy | 5 to 10 mph NE | 12% |
| Wednesday | 64°F | Partly Sunny | 5 to 10 mph NE | 6% |
| Wednesday Night | 50°F | Partly Cloudy | 0 to 5 mph NNE | 5% |
| Thursday | 67°F | Partly Sunny | 0 to 5 mph NNE | 5% |
| Thursday Night | 51°F | Mostly Cloudy | 0 to 5 mph NNE | 5% |
Forecast source: National Weather Service (api.weather.gov) for Lawrence (42.443, -88.642). Updated through the day.
Growing snapshot for Lawrence
Last spring frost
Apr 28
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
More local growing data for Lawrence: nearby ZIP 60033 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Marengo, Il (11 mi from Lawrence). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.