Lena, IL Weather & Growing Conditions
Tonight
53°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy. Low around 53, with temperatures rising to around 56 overnight. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 53°F | Showers And Thunderstorms | 15 mph S | 86% |
| Wednesday | 56°F | Rain Showers Likely | 15 mph SW | 72% |
| Wednesday Night | 44°F | Chance Rain Showers | 15 mph SW | 33% |
| Thursday | 52°F | Rain Showers Likely | 10 to 15 mph W | 55% |
| Thursday Night | 39°F | Chance Rain Showers then Mostly Cloudy | 10 mph N | 28% |
| Friday | 49°F | Partly Sunny | 5 to 10 mph N | 13% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 2% |
| Saturday Night | 33°F | Mostly Clear | 5 mph W | 4% |
| Sunday | 58°F | Mostly Sunny | 5 to 10 mph W | 13% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 3% |
| Monday | 60°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 61°F | Sunny | 5 to 10 mph W | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Lena, IL
Last spring frost
Apr 27
First fall frost
Oct 9
Growing season
165 days
Hardiness zone
5a
Explore more for Lena, IL: full frost dates · planting calendar · Illinois frost dates
Climate data from the nearest NOAA station, Stockton 3 Nne, Il (7.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.