Rathdrum, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Rathdrum, a city in Kootenai County, Idaho.
This Afternoon
51°F
Chance Rain Showers
A chance of rain showers. Cloudy. High near 51, with temperatures falling to around 46 in the afternoon. Northeast wind around 1 mph.
7-day forecast for Rathdrum
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 51°F | Chance Rain Showers | 1 mph NE | 12% |
| Tonight | 36°F | Chance Rain Showers then Mostly Cloudy | 2 mph NE | 12% |
| Wednesday | 52°F | Sunny | 2 mph S | 2% |
| Wednesday Night | 36°F | Mostly Cloudy then Rain Showers Likely | 3 mph SE | 72% |
| Thursday | 48°F | Rain Showers Likely | 3 to 7 mph SW | 72% |
| Thursday Night | 36°F | Mostly Cloudy | 5 mph SE | 8% |
| Friday | 52°F | Mostly Cloudy | 3 to 7 mph S | 14% |
| Friday Night | 40°F | Mostly Cloudy | 6 mph SE | 6% |
| Saturday | 58°F | Partly Sunny | 5 mph E | 6% |
| Saturday Night | 41°F | Mostly Cloudy then Chance Rain Showers | 2 to 8 mph SE | 32% |
| Sunday | 56°F | Chance Rain Showers | 8 to 15 mph SW | 34% |
| Sunday Night | 39°F | Slight Chance Rain Showers then Mostly Cloudy | 3 to 8 mph S | 15% |
| Monday | 53°F | Partly Sunny then Slight Chance Rain Showers | 5 mph NE | 17% |
| Monday Night | 40°F | Chance Rain Showers | 3 mph SE | 26% |
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 Nov 4, 2026.