Spirit Lake, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Spirit Lake, a city in Kootenai County, Idaho.
Overnight
47°F
Mostly Clear
Mostly clear, with a low around 47. Wind around 0 mph.
7-day forecast for Spirit Lake
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 47°F | Mostly Clear | 0 mph | 0% |
| Saturday | 75°F | Sunny | 2 mph N | 0% |
| Saturday Night | 48°F | Partly Cloudy | 1 mph SW | 0% |
| Sunday | 77°F | Sunny | 2 mph S | 0% |
| Sunday Night | 48°F | Mostly Clear | 2 mph N | 0% |
| Monday | 78°F | Sunny | 3 mph S | 0% |
| Monday Night | 50°F | Partly Cloudy | 2 mph S | 0% |
| Tuesday | 75°F | Mostly Sunny | 1 to 5 mph S | 0% |
| Tuesday Night | 48°F | Partly Cloudy | 2 mph S | 1% |
| Wednesday | 71°F | Mostly Sunny | 1 to 6 mph S | 1% |
| Wednesday Night | 47°F | Partly Cloudy | 1 to 5 mph S | 2% |
| Thursday | 70°F | Mostly Sunny | 1 to 5 mph S | 3% |
| Thursday Night | 47°F | Mostly Cloudy | 2 mph N | 10% |
| Friday | 67°F | Partly Sunny then Slight Chance Rain Showers | 1 to 5 mph S | 18% |
Forecast source: National Weather Service (api.weather.gov) for Spirit Lake (47.966, -116.870). Updated through the day.
Growing snapshot for Spirit Lake
Last spring frost
May 22
First fall frost
Sep 22
Growing season
122 days
Hardiness zone
6b
More local growing data for Spirit Lake: nearby ZIP 83869 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Athol
Coeur d'Alene
Dalton Gardens
Fernan Lake Village
Harrison
Hauser
Hayden
Hayden Lake
Huetter
Post Falls
Rathdrum
Rockford Bay
State Line
Worley
Climate data from the nearest NOAA station, Bayview Model Basin, Id (15.4 mi from Spirit Lake). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.