State Line, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for State Line, a city in Kootenai County, Idaho.
This Afternoon
52°F
Mostly Cloudy
Mostly cloudy. High near 52, with temperatures falling to around 47 in the afternoon. East wind around 2 mph.
7-day forecast for State Line
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 52°F | Mostly Cloudy | 2 mph E | 2% |
| Tonight | 35°F | Mostly Cloudy | 1 mph E | 2% |
| Wednesday | 53°F | Sunny | 2 mph SW | 2% |
| Wednesday Night | 37°F | Mostly Cloudy then Rain Showers Likely | 3 mph SE | 72% |
| Thursday | 49°F | Rain Showers Likely | 3 to 8 mph SW | 72% |
| Thursday Night | 36°F | Mostly Cloudy | 5 mph SE | 6% |
| Friday | 53°F | Mostly Cloudy | 3 to 7 mph SE | 12% |
| Friday Night | 40°F | Mostly Cloudy | 6 mph SE | 6% |
| Saturday | 59°F | Partly Sunny | 5 mph E | 6% |
| Saturday Night | 42°F | Mostly Cloudy then Chance Rain Showers | 2 to 7 mph SE | 33% |
| Sunday | 57°F | Chance Rain Showers | 7 to 15 mph SW | 33% |
| Sunday Night | 39°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 8 mph S | 15% |
| Monday | 55°F | Partly Sunny then Slight Chance Rain Showers | 5 mph E | 18% |
| Monday Night | 40°F | Chance Rain Showers | 3 mph SE | 26% |
Forecast source: National Weather Service (api.weather.gov) for State Line (47.705, -117.037). Updated through the day.
Growing snapshot for State Line
Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
179 days
Hardiness zone
6b
More local growing data for State Line: nearby ZIP 83854 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
Spirit Lake
Worley
Climate data from the nearest NOAA station, Coeur D'alene, Id (8.9 mi from State Line). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 3, 2026.