Adeline, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Adeline, a village in Stephenson County, Illinois.
This Afternoon
67°F
Rain Showers
Rain showers. Cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Adeline
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Rain Showers | 15 mph S | 84% |
| Tonight | 55°F | Rain Showers | 15 mph S | 84% |
| Wednesday | 58°F | Chance Rain Showers | 15 mph SSW | 42% |
| Wednesday Night | 45°F | Chance Rain Showers | 15 mph SW | 30% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph WSW | 51% |
| Thursday Night | 39°F | Chance Rain Showers | 5 to 10 mph NNW | 30% |
| Friday | 51°F | Partly Sunny | 10 to 15 mph N | 14% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph NNW | 2% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph WNW | 2% |
| Saturday Night | 32°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Sunday | 58°F | Mostly Sunny | 5 to 10 mph W | 13% |
| Sunday Night | 32°F | Mostly Clear | 0 to 5 mph WSW | 4% |
| Monday | 61°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 37°F | Mostly Clear | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Adeline (42.141, -89.492). Updated through the day.
Growing snapshot for Adeline
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
169 days
Hardiness zone
5b
More local growing data for Adeline: nearby ZIP 61039 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Cedarville
Dakota
Davis
Freeport
German Valley
Lake Summerset
Lena
Orangeville
Pearl City
Ridott
Rock City
Willow Lake
Winslow
Climate data from the nearest NOAA station, Freeport Waste Wtp, Il (9.2 mi from Adeline). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.