Harrison, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrison, a city in Kootenai County, Idaho.
This Afternoon
49°F
Cloudy
Cloudy. High near 49, with temperatures falling to around 47 in the afternoon. North wind around 1 mph.
7-day forecast for Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 49°F | Cloudy | 1 mph N | 1% |
| Tonight | 36°F | Mostly Cloudy | 1 mph N | 1% |
| Wednesday | 50°F | Sunny | 1 mph SW | 1% |
| Wednesday Night | 36°F | Mostly Cloudy then Rain Showers Likely | 3 mph S | 74% |
| Thursday | 46°F | Rain Showers Likely | 6 mph SW | 74% |
| Thursday Night | 35°F | Partly Cloudy | 3 mph SE | 6% |
| Friday | 50°F | Mostly Cloudy | 5 mph S | 9% |
| Friday Night | 40°F | Mostly Cloudy | 5 mph S | 5% |
| Saturday | 58°F | Partly Sunny | 3 mph SE | 5% |
| Saturday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph SE | 21% |
| Sunday | 54°F | Chance Rain Showers | 7 mph SW | 28% |
| Sunday Night | 39°F | Mostly Cloudy | 5 mph S | 13% |
| Monday | 52°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph E | 16% |
| Monday Night | 40°F | Slight Chance Rain Showers | 2 mph S | 22% |
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 Nov 4, 2026.