Rathdrum, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rathdrum, a city in Kootenai County, Idaho.
Today
83°F
Haze then Sunny
Haze before 9am. Sunny, with a high near 83. North wind around 5 mph.
7-day forecast for Rathdrum
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 83°F | Haze then Sunny | 5 mph N | 0% |
| Tonight | 53°F | Haze | 3 mph NE | 0% |
| Wednesday | 89°F | Areas Of Smoke | 1 to 5 mph SE | 0% |
| Wednesday Night | 56°F | Smoke then Mostly Clear | 3 mph S | 0% |
| Thursday | 94°F | Sunny | 2 to 6 mph S | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 mph S | 0% |
| Friday | 93°F | Sunny | 2 to 10 mph S | 0% |
| Friday Night | 57°F | Mostly Clear | 5 to 10 mph S | 0% |
| Saturday | 90°F | Sunny | 5 to 9 mph SW | 0% |
| Saturday Night | 57°F | Mostly Clear | 3 to 9 mph S | 0% |
| Sunday | 86°F | Sunny | 5 to 9 mph SW | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 to 7 mph S | 0% |
| Monday | 85°F | Sunny | 6 mph S | 0% |
| Monday Night | 54°F | Mostly Clear | 2 to 6 mph S | 0% |
Forecast source: National Weather Service (api.weather.gov) for Rathdrum (47.794, -116.893). Updated through the day.
Growing snapshot for Rathdrum
Last spring frost
Apr 22
First fall frost
Oct 18
Growing season
179 days
Hardiness zone
6b
More local growing data for Rathdrum: nearby ZIP 83858 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
Rockford Bay
Spirit Lake
State Line
Worley
Climate data from the nearest NOAA station, Coeur D'alene, Id (13 mi from Rathdrum). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.