Elk River, ID Weather & Growing Conditions
This Afternoon
73°F
Mostly Sunny
Mostly sunny, with a high near 73. West wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Mostly Sunny | 3 mph W | 4% |
| Tonight | 50°F | Mostly Clear | 2 mph NNE | 2% |
| Sunday | 77°F | Sunny | 2 mph SE | 1% |
| Sunday Night | 50°F | Mostly Clear | 2 mph ENE | 0% |
| Monday | 79°F | Sunny | 2 mph SSE | 0% |
| Monday Night | 52°F | Mostly Clear | 2 mph NE | 0% |
| Tuesday | 77°F | Mostly Sunny | 2 mph SSE | 5% |
| Tuesday Night | 51°F | Partly Cloudy | 2 mph NNW | 6% |
| Wednesday | 72°F | Mostly Sunny | 3 mph NW | 3% |
| Wednesday Night | 48°F | Partly Cloudy | 3 mph NNW | 3% |
| Thursday | 71°F | Mostly Sunny | 2 mph NE | 4% |
| Thursday Night | 48°F | Partly Cloudy | 2 mph N | 11% |
| Friday | 68°F | Mostly Sunny then Slight Chance Light Rain | 3 mph NW | 15% |
| Friday Night | 46°F | Slight Chance Light Rain then Mostly Cloudy | 3 mph NNW | 15% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Elk River, ID
Last spring frost
May 16
First fall frost
Sep 23
Growing season
128 days
Hardiness zone
6b
Explore more for Elk River, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Elk Rvr, Id (0.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.