Cambridge, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cambridge, a village in Henry County, Illinois.
Tonight
52°F
Chance Rain Showers then Mostly Cloudy
A chance of rain showers before 11pm. Mostly cloudy. Low around 52, with temperatures rising to around 55 overnight. South wind 10 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 30%.
7-day forecast for Cambridge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Chance Rain Showers then Mostly Cloudy | 10 to 15 mph S | 25% |
| Wednesday | 58°F | Slight Chance Rain Showers | 15 to 20 mph SW | 22% |
| Wednesday Night | 46°F | Mostly Cloudy | 15 mph SW | 12% |
| Thursday | 56°F | Chance Rain Showers | 10 to 15 mph W | 37% |
| Thursday Night | 41°F | Chance Rain Showers then Mostly Cloudy | 10 mph NW | 26% |
| Friday | 50°F | Partly Sunny | 10 to 15 mph N | 9% |
| Friday Night | 31°F | Partly Cloudy | 0 to 5 mph N | 0% |
| Saturday | 52°F | Sunny | 0 to 5 mph NW | 0% |
| Saturday Night | 33°F | Mostly Clear | 0 to 5 mph W | 2% |
| Sunday | 57°F | Sunny | 5 to 10 mph W | 1% |
| Sunday Night | 35°F | Clear | 5 mph W | 1% |
| Monday | 63°F | Sunny | 5 to 10 mph SW | 0% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 0% |
| Tuesday | 64°F | Sunny | 5 mph NW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cambridge (41.292, -90.191). Updated through the day.
Growing snapshot for Cambridge
Last spring frost
Apr 26
First fall frost
Oct 12
Growing season
166 days
Hardiness zone
5b
More local growing data for Cambridge: nearby ZIP 61238 weather · frost dates · planting calendar · Illinois frost dates
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Climate data from the nearest NOAA station, Galva, Il (10.3 mi from Cambridge). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.