Rathdrum, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rathdrum, a city in Kootenai County, Idaho.
This Afternoon
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 73 in the afternoon. West wind around 3 mph.
7-day forecast for Rathdrum
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 75°F | Sunny | 3 mph W | 1% |
| Tonight | 50°F | Mostly Clear | 2 mph NE | 0% |
| Saturday | 77°F | Sunny | 3 mph SE | 0% |
| Saturday Night | 51°F | Mostly Clear | 2 mph E | 0% |
| Sunday | 79°F | Sunny | 2 mph SE | 0% |
| Sunday Night | 52°F | Mostly Clear | 2 mph NE | 0% |
| Monday | 80°F | Sunny | 3 mph S | 0% |
| Monday Night | 53°F | Mostly Clear | 2 mph S | 0% |
| Tuesday | 77°F | Mostly Sunny | 5 mph S | 0% |
| Tuesday Night | 51°F | Partly Cloudy | 2 mph S | 0% |
| Wednesday | 72°F | Mostly Sunny | 2 to 6 mph S | 0% |
| Wednesday Night | 50°F | Partly Cloudy | 2 mph SE | 1% |
| Thursday | 77°F | Mostly Sunny | 3 mph NE | 2% |
| Thursday Night | 51°F | Partly Cloudy | 3 mph NE | 9% |
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 Sep 18, 2026.