Cedarville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cedarville, a village in Stephenson County, Illinois.
This Afternoon
67°F
Showers And Thunderstorms
Showers and thunderstorms. Cloudy, with a high near 67. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 100%.
7-day forecast for Cedarville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 67°F | Showers And Thunderstorms | 15 mph S | 97% |
| Tonight | 54°F | Showers And Thunderstorms | 15 mph S | 89% |
| Wednesday | 58°F | Rain Showers Likely | 15 mph SW | 61% |
| Wednesday Night | 44°F | Chance Rain Showers | 15 mph SW | 32% |
| Thursday | 53°F | Rain Showers Likely | 10 to 15 mph W | 58% |
| Thursday Night | 39°F | Chance Rain Showers then Mostly Cloudy | 10 mph NW | 29% |
| Friday | 50°F | Partly Sunny | 10 to 15 mph N | 13% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 1% |
| Saturday Night | 33°F | Partly Cloudy | 5 mph W | 4% |
| Sunday | 58°F | Mostly Sunny | 5 to 10 mph W | 13% |
| Sunday Night | 34°F | Mostly Clear | 5 mph W | 4% |
| Monday | 61°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 38°F | Mostly Clear | 5 to 10 mph W | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cedarville (42.376, -89.636). Updated through the day.
Growing snapshot for Cedarville
Last spring frost
Apr 26
First fall frost
Oct 13
Growing season
169 days
Hardiness zone
5a
More local growing data for Cedarville: nearby ZIP 61013 weather · frost dates · planting calendar · Illinois frost dates
Nearby towns & communities
Adeline
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 (5.7 mi from Cedarville). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.