Cambridge, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cambridge, a village in Henry County, Illinois.
This Afternoon
68°F
Showers And Thunderstorms
Showers and thunderstorms. Mostly cloudy, with a high near 68. South wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%.
7-day forecast for Cambridge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 68°F | Showers And Thunderstorms | 15 mph S | 86% |
| Tonight | 52°F | Showers And Thunderstorms | 15 mph S | 82% |
| Wednesday | 57°F | Chance Rain Showers then Mostly Cloudy | 15 mph SW | 26% |
| Wednesday Night | 45°F | Mostly Cloudy | 15 mph SW | 12% |
| Thursday | 55°F | Chance Rain Showers | 10 to 15 mph W | 34% |
| Thursday Night | 42°F | Chance Rain Showers then Mostly Cloudy | 5 to 10 mph NW | 30% |
| Friday | 52°F | Partly Sunny | 10 to 15 mph N | 14% |
| Friday Night | 35°F | Partly Cloudy | 0 to 5 mph N | 1% |
| Saturday | 52°F | Mostly Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 35°F | Partly Cloudy | 0 to 5 mph W | 4% |
| Sunday | 58°F | Sunny | 5 to 10 mph W | 12% |
| Sunday Night | 36°F | Mostly Clear | 5 mph W | 2% |
| Monday | 63°F | Sunny | 5 to 15 mph SW | 1% |
| Monday Night | 40°F | Mostly Clear | 5 to 10 mph W | 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.