Cambridge, IL Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cambridge, a village in Henry County, Illinois.
Overnight
61°F
Mostly Clear
Mostly clear. Low around 61, with temperatures rising to around 63 overnight. South wind around 5 mph.
7-day forecast for Cambridge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 61°F | Mostly Clear | 5 mph S | 0% |
| Tuesday | 86°F | Mostly Sunny | 5 to 10 mph S | 4% |
| Tuesday Night | 68°F | Chance Showers And Thunderstorms | 5 mph SE | 54% |
| Wednesday | 79°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 5 mph W | 68% |
| Wednesday Night | 63°F | Showers And Thunderstorms | 5 mph N | 82% |
| Thursday | 79°F | Slight Chance Showers And Thunderstorms | 5 mph NE | 56% |
| Thursday Night | 62°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 0 to 5 mph E | 16% |
| Friday | 81°F | Mostly Sunny | 0 to 5 mph S | 12% |
| Friday Night | 65°F | Mostly Clear | 0 to 5 mph S | 12% |
| Saturday | 84°F | Sunny | 5 to 10 mph SW | 8% |
| Saturday Night | 71°F | Mostly Clear then Slight Chance Showers And Thunderstorms | 5 to 10 mph S | 15% |
| Sunday | 85°F | Slight Chance Showers And Thunderstorms then Sunny | 10 to 15 mph SW | 15% |
| Sunday Night | 70°F | Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 32% |
| Monday | 85°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 10 to 15 mph S | 32% |
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 Aug 4, 2026.