Clark Fork, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Clark Fork, a city in Bonner County, Idaho.
Today
79°F
Haze then Sunny
Haze before 8am. Sunny, with a high near 79. Northwest wind 1 to 6 mph.
7-day forecast for Clark Fork
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 79°F | Haze then Sunny | 1 to 6 mph NW | 0% |
| Tonight | 55°F | Mostly Clear | 3 mph E | 0% |
| Wednesday | 85°F | Areas Of Smoke | 1 to 6 mph S | 0% |
| Wednesday Night | 58°F | Areas Of Smoke then Mostly Clear | 1 to 5 mph S | 0% |
| Thursday | 90°F | Sunny | 2 to 7 mph S | 0% |
| Thursday Night | 62°F | Mostly Clear | 1 to 5 mph S | 0% |
| Friday | 89°F | Sunny | 3 to 9 mph S | 0% |
| Friday Night | 62°F | Mostly Clear | 3 to 9 mph S | 0% |
| Saturday | 87°F | Sunny | 2 to 9 mph SW | 0% |
| Saturday Night | 60°F | Mostly Clear | 2 to 7 mph S | 0% |
| Sunday | 84°F | Sunny | 2 to 7 mph SW | 0% |
| Sunday Night | 58°F | Mostly Clear | 1 to 6 mph SE | 0% |
| Monday | 83°F | Sunny | 1 to 6 mph SW | 1% |
| Monday Night | 57°F | Mostly Clear | 1 to 5 mph NE | 1% |
Forecast source: National Weather Service (api.weather.gov) for Clark Fork (48.148, -116.173). Updated through the day.
Growing snapshot for Clark Fork
Last spring frost
May 9
First fall frost
Oct 8
Growing season
153 days
Hardiness zone
6b
More local growing data for Clark Fork: nearby ZIP 83811 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cabinet Gorge, Id (5 mi from Clark Fork). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.