Harrison, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Harrison, a city in Kootenai County, Idaho.
This Afternoon
50°F
Mostly Sunny
Mostly sunny. High near 50, with temperatures falling to around 45 in the afternoon. Southwest wind around 2 mph.
7-day forecast for Harrison
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 50°F | Mostly Sunny | 2 mph SW | 1% |
| Tonight | 36°F | Chance Rain Showers then Light Rain Likely | 0 to 3 mph SE | 60% |
| Thursday | 46°F | Light Rain Likely | 5 mph SW | 60% |
| Thursday Night | 35°F | Partly Cloudy | 3 mph SE | 1% |
| Friday | 48°F | Partly Sunny | 3 mph SE | 6% |
| Friday Night | 41°F | Mostly Cloudy | 5 mph SE | 8% |
| Saturday | 59°F | Partly Sunny | 2 mph E | 3% |
| Saturday Night | 42°F | Mostly Cloudy then Slight Chance Rain Showers | 2 to 6 mph SE | 16% |
| Sunday | 52°F | Slight Chance Rain Showers | 7 mph S | 16% |
| Sunday Night | 39°F | Mostly Cloudy | 5 mph S | 9% |
| Monday | 51°F | Mostly Cloudy | 2 mph NE | 5% |
| Monday Night | 39°F | Mostly Cloudy then Slight Chance Rain Showers | 2 mph E | 17% |
| Tuesday | 54°F | Chance Rain Showers | 2 mph SE | 27% |
| Tuesday Night | 41°F | Chance Rain Showers | 3 mph SE | 27% |
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 5, 2026.