Cambridge, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cambridge, a city in Washington County, Idaho.
This Afternoon
57°F
Mostly Cloudy
Mostly cloudy, with a high near 57. Southwest wind around 1 mph.
7-day forecast for Cambridge
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Mostly Cloudy | 1 mph SW | 2% |
| Tonight | 33°F | Mostly Cloudy | 1 mph NW | 9% |
| Wednesday | 59°F | Sunny | 0 to 3 mph NW | 2% |
| Wednesday Night | 34°F | Mostly Cloudy then Slight Chance Rain Showers | 1 mph ENE | 20% |
| Thursday | 55°F | Slight Chance Rain Showers then Partly Sunny | 1 mph S | 20% |
| Thursday Night | 31°F | Mostly Clear | 0 mph | 2% |
| Friday | 56°F | Mostly Sunny | 1 mph W | 3% |
| Friday Night | 34°F | Partly Cloudy | 0 mph | 1% |
| Saturday | 60°F | Mostly Sunny | 2 mph S | 1% |
| Saturday Night | 36°F | Partly Cloudy | 0 mph | 0% |
| Sunday | 61°F | Partly Sunny | 2 mph S | 1% |
| Sunday Night | 36°F | Mostly Cloudy | 0 mph | 2% |
| Monday | 61°F | Partly Sunny | 1 mph N | 6% |
| Monday Night | 37°F | Mostly Cloudy | 0 mph | 8% |
Forecast source: National Weather Service (api.weather.gov) for Cambridge (44.572, -116.678). Updated through the day.
Growing snapshot for Cambridge
Last spring frost
Apr 2
First fall frost
Nov 5
Growing season
216 days
Hardiness zone
7a
More local growing data for Cambridge: nearby ZIP 83610 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Brownlee Dam, Id (8.9 mi from Cambridge). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.