Kootenai, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kootenai, a city in Bonner County, Idaho.
Overnight
35°F
Partly Cloudy
Partly cloudy, with a low around 35. North wind around 1 mph.
7-day forecast for Kootenai
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 35°F | Partly Cloudy | 1 mph N | 2% |
| Wednesday | 50°F | Sunny | 1 mph E | 2% |
| Wednesday Night | 36°F | Mostly Cloudy then Rain Showers | 1 mph SW | 83% |
| Thursday | 45°F | Rain Showers | 3 mph SW | 83% |
| Thursday Night | 36°F | Mostly Cloudy | 1 mph SW | 8% |
| Friday | 49°F | Mostly Cloudy | 0 to 3 mph S | 9% |
| Friday Night | 38°F | Slight Chance Rain Showers | 2 mph SE | 23% |
| Saturday | 55°F | Mostly Cloudy | 1 mph N | 10% |
| Saturday Night | 40°F | Mostly Cloudy then Chance Rain Showers | 0 to 3 mph NE | 37% |
| Sunday | 51°F | Chance Rain Showers | 1 to 8 mph S | 37% |
| Sunday Night | 38°F | Slight Chance Rain Showers then Mostly Cloudy | 0 to 6 mph S | 15% |
| Monday | 51°F | Partly Sunny then Slight Chance Rain Showers | 2 mph NE | 15% |
| Monday Night | 38°F | Chance Rain Showers | 1 mph N | 27% |
| Tuesday | 53°F | Chance Rain Showers | 1 mph S | 28% |
Forecast source: National Weather Service (api.weather.gov) for Kootenai (48.312, -116.517). Updated through the day.
Growing snapshot for Kootenai
Last spring frost
May 8
First fall frost
Sep 28
Growing season
141 days
Hardiness zone
6b
More local growing data for Kootenai: nearby ZIP 83840 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Sandpoint Exp Stn, Id (2.5 mi from Kootenai). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.