Kootenai, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Kootenai, a city in Bonner County, Idaho.
Today
81°F
Sunny
Sunny. High near 81, with temperatures falling to around 79 in the afternoon. East wind around 3 mph.
7-day forecast for Kootenai
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Sunny | 3 mph E | 0% |
| Tonight | 50°F | Mostly Clear | 2 mph NE | 0% |
| Wednesday | 85°F | Areas Of Smoke | 0 to 5 mph SE | 0% |
| Wednesday Night | 53°F | Areas Of Smoke then Clear | 0 to 5 mph SW | 0% |
| Thursday | 90°F | Sunny | 0 to 6 mph SW | 0% |
| Thursday Night | 57°F | Mostly Clear | 0 to 5 mph W | 0% |
| Friday | 89°F | Sunny | 0 to 9 mph SW | 0% |
| Friday Night | 57°F | Mostly Clear | 0 to 9 mph S | 0% |
| Saturday | 86°F | Sunny | 0 to 8 mph SW | 0% |
| Saturday Night | 55°F | Mostly Clear | 0 to 8 mph S | 0% |
| Sunday | 84°F | Sunny | 1 to 7 mph S | 0% |
| Sunday Night | 53°F | Mostly Clear | 0 to 6 mph W | 0% |
| Monday | 83°F | Sunny | 0 to 5 mph S | 1% |
| Monday Night | 52°F | Mostly Clear | 0 to 5 mph S | 1% |
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 Aug 4, 2026.