Harrison, ID Weather & Growing Conditions
Tonight
49°F
Partly Cloudy
Partly cloudy, with a low around 49. Wind around 0 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 49°F | Partly Cloudy | 0 mph | 0% |
| Saturday | 75°F | Sunny | 3 mph S | 2% |
| Saturday Night | 50°F | Mostly Clear | 1 mph SE | 2% |
| Sunday | 78°F | Sunny | 2 mph SW | 0% |
| Sunday Night | 51°F | Clear | 1 mph NE | 0% |
| Monday | 79°F | Sunny | 3 mph SE | 0% |
| Monday Night | 52°F | Mostly Clear | 2 mph S | 0% |
| Tuesday | 76°F | Sunny | 3 mph S | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 2 mph S | 1% |
| Wednesday | 72°F | Mostly Sunny | 1 to 5 mph S | 1% |
| Wednesday Night | 50°F | Partly Cloudy | 3 mph S | 1% |
| Thursday | 71°F | Mostly Sunny | 2 mph S | 3% |
| Thursday Night | 50°F | Mostly Cloudy | 2 mph S | 8% |
| Friday | 68°F | Partly Sunny then Slight Chance Rain Showers | 0 to 3 mph S | 22% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Harrison, ID
Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
179 days
Hardiness zone
6b
Explore more for Harrison, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Coeur D'alene, Id (11.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.