Harrison, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrison, a city in Kootenai County, Idaho.
Overnight
50°F
Smoke
Haze before 5am, then smoke and haze. Clear. Low around 50, with temperatures rising to around 52 overnight. East wind around 1 mph.
7-day forecast for Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Smoke | 1 mph E | 0% |
| Tuesday | 82°F | Haze then Sunny | 3 mph N | 0% |
| Tuesday Night | 53°F | Haze | 2 mph E | 0% |
| Wednesday | 87°F | Areas Of Smoke | 2 mph W | 0% |
| Wednesday Night | 55°F | Areas Of Smoke then Clear | 2 mph E | 0% |
| Thursday | 92°F | Sunny | 3 mph S | 0% |
| Thursday Night | 58°F | Mostly Clear | 3 mph SW | 0% |
| Friday | 91°F | Sunny | 2 to 7 mph SW | 0% |
| Friday Night | 58°F | Clear | 3 to 7 mph SW | 0% |
| Saturday | 88°F | Sunny | 6 mph S | 0% |
| Saturday Night | 57°F | Mostly Clear | 6 mph S | 0% |
| Sunday | 84°F | Sunny | 6 mph SW | 0% |
| Sunday Night | 55°F | Mostly Clear | 5 mph S | 0% |
| Monday | 83°F | Sunny | 5 mph SW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Harrison (47.469, -116.809). Updated through the day.
Growing snapshot for Harrison
Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
179 days
Hardiness zone
6b
More local growing data for Harrison: nearby ZIP 83833 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Athol
Coeur d'Alene
Dalton Gardens
Fernan Lake Village
Hauser
Hayden
Hayden Lake
Huetter
Post Falls
Rathdrum
Rockford Bay
Spirit Lake
State Line
Worley
Climate data from the nearest NOAA station, Coeur D'alene, Id (11.1 mi from Harrison). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.