Fernwood, ID Weather & Growing Conditions
Tonight
42°F
Mostly Clear
Mostly clear. Low around 42, with temperatures rising to around 44 overnight. East wind around 1 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 42°F | Mostly Clear | 1 mph E | 2% |
| Sunday | 76°F | Sunny | 1 mph S | 1% |
| Sunday Night | 43°F | Mostly Clear | 1 mph E | 0% |
| Monday | 77°F | Sunny | 2 mph S | 0% |
| Monday Night | 44°F | Mostly Clear | 1 mph S | 0% |
| Tuesday | 76°F | Mostly Sunny | 2 mph SW | 3% |
| Tuesday Night | 43°F | Partly Cloudy | 2 mph NW | 7% |
| Wednesday | 69°F | Mostly Sunny | 0 to 3 mph W | 4% |
| Wednesday Night | 39°F | Partly Cloudy | 2 mph NW | 3% |
| Thursday | 70°F | Mostly Sunny | 2 mph W | 5% |
| Thursday Night | 40°F | Partly Cloudy | 1 mph N | 13% |
| Friday | 66°F | Partly Sunny | 2 mph SW | 14% |
| Friday Night | 37°F | Mostly Cloudy | 2 mph N | 14% |
| Saturday | 62°F | Partly Sunny | 2 mph W | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Fernwood, ID
Last spring frost
May 16
First fall frost
Sep 23
Growing season
128 days
Hardiness zone
6a
Explore more for Fernwood, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Elk Rvr, Id (17.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.