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
76°F
Sunny
Sunny, with a high near 76. West wind around 5 mph.
7-day forecast for State Line
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 76°F | Sunny | 5 mph W | 1% |
| Tonight | 50°F | Mostly Clear | 2 mph SE | 0% |
| Saturday | 77°F | Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 51°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 79°F | Sunny | 3 mph S | 0% |
| Sunday Night | 53°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 81°F | Sunny | 5 mph S | 0% |
| Monday Night | 53°F | Mostly Clear | 3 mph S | 0% |
| Tuesday | 77°F | Mostly Sunny | 5 mph SE | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 3 mph S | 0% |
| Wednesday | 73°F | Mostly Sunny | 2 to 6 mph S | 0% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph SE | 1% |
| Thursday | 78°F | Mostly Sunny | 3 mph N | 2% |
| Thursday Night | 52°F | Partly Cloudy | 3 mph E | 10% |
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
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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 Sep 18, 2026.