Cedarville, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cedarville, a village in Stephenson County, Illinois.
Today
85°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 4pm. Mostly sunny. High near 85, with temperatures falling to around 82 in the afternoon. Southwest wind 5 to 10 mph. Chance of precipitation is 20%.
7-day forecast for Cedarville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 85°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SW | 24% |
| Tonight | 65°F | Showers And Thunderstorms Likely | 5 mph NW | 87% |
| Wednesday | 75°F | Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 5 mph N | 79% |
| Wednesday Night | 58°F | Showers And Thunderstorms Likely | 0 to 5 mph NW | 57% |
| Thursday | 78°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 5 mph NE | 24% |
| Thursday Night | 58°F | Mostly Clear | 0 mph | 6% |
| Friday | 80°F | Mostly Sunny | 0 to 5 mph SE | 5% |
| Friday Night | 62°F | Mostly Clear | 5 mph S | 6% |
| Saturday | 83°F | Mostly Sunny | 5 to 10 mph SW | 11% |
| Saturday Night | 68°F | Partly Cloudy then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 24% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph SW | 24% |
| Sunday Night | 68°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 42% |
| Monday | 84°F | Chance Showers And Thunderstorms | 5 to 10 mph S | 40% |
| Monday Night | 67°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 mph W | 42% |
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
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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 Aug 4, 2026.