Lee, IL Weather & Growing Conditions
Overnight
61°F
Mostly Clear
Mostly clear, with a low around 61. South wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 83°F | Mostly Sunny | 5 to 10 mph SSW | 0% |
| Tuesday Night | 66°F | Mostly Cloudy then Slight Chance Showers And Thunderstorms | 5 mph SSW | 44% |
| Wednesday | 76°F | Showers And Thunderstorms Likely | 5 mph WSW | 74% |
| Wednesday Night | 62°F | Showers And Thunderstorms | 5 mph N | 84% |
| Thursday | 78°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 5 mph ENE | 54% |
| Thursday Night | 60°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 5 mph SE | 18% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph SSE | 8% |
| Friday Night | 63°F | Mostly Clear | 0 to 5 mph S | 9% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SSW | 9% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 18% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 10 to 15 mph SW | 18% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 10 mph SSW | 37% |
| Monday | 84°F | Chance Rain Showers then Slight Chance Showers And Thunderstorms | 10 mph SSW | 35% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lee, IL
Last spring frost
Apr 28
First fall frost
Oct 10
Growing season
163 days
Hardiness zone
5b
Explore more for Lee, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Shabbona 5 Nne, Il (6.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.