Clark Fork, ID Weather & Growing Conditions
Tonight
50°F
Mostly Clear
Mostly clear. Low around 50, with temperatures rising to around 52 overnight. South wind around 3 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 50°F | Mostly Clear | 3 mph S | 1% |
| Sunday | 67°F | Sunny | 5 mph S | 0% |
| Sunday Night | 51°F | Mostly Clear | 5 mph SE | 0% |
| Monday | 69°F | Sunny | 2 to 6 mph SE | 0% |
| Monday Night | 53°F | Mostly Clear | 5 mph SE | 0% |
| Tuesday | 67°F | Mostly Sunny | 3 to 7 mph SW | 0% |
| Tuesday Night | 52°F | Partly Cloudy | 6 mph S | 3% |
| Wednesday | 60°F | Mostly Sunny | 5 to 9 mph S | 2% |
| Wednesday Night | 47°F | Partly Cloudy | 7 mph S | 1% |
| Thursday | 58°F | Partly Sunny | 6 mph SW | 8% |
| Thursday Night | 48°F | Mostly Cloudy | 5 mph NE | 11% |
| Friday | 56°F | Slight Chance Rain Showers | 6 mph N | 21% |
| Friday Night | 43°F | Slight Chance Rain Showers | 6 mph SW | 16% |
| Saturday | 52°F | Slight Chance Rain Showers then Partly Sunny | 6 mph SW | 16% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Clark Fork, ID
Last spring frost
May 22
First fall frost
Sep 22
Growing season
122 days
Hardiness zone
6b
Explore more for Clark Fork, ID: full frost dates · planting calendar · Idaho frost dates
Climate data from the nearest NOAA station, Bayview Model Basin, Id (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.