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
75°F
Sunny
Sunny. High near 75, with temperatures falling to around 73 in the afternoon. West wind 1 to 5 mph.
7-day forecast for Clark Fork
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 75°F | Sunny | 1 to 5 mph W | 2% |
| Tonight | 51°F | Partly Cloudy | 2 mph NE | 2% |
| Sunday | 76°F | Sunny | 1 to 5 mph S | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 3 mph N | 0% |
| Monday | 77°F | Sunny | 1 to 6 mph S | 0% |
| Monday Night | 54°F | Mostly Clear | 2 mph SE | 0% |
| Tuesday | 75°F | Sunny | 2 to 6 mph S | 0% |
| Tuesday Night | 53°F | Partly Cloudy | 2 mph SE | 1% |
| Wednesday | 71°F | Mostly Sunny | 1 to 6 mph S | 1% |
| Wednesday Night | 51°F | Partly Cloudy | 3 mph S | 1% |
| Thursday | 70°F | Mostly Sunny | 1 to 5 mph S | 3% |
| Thursday Night | 51°F | Mostly Cloudy | 2 mph E | 11% |
| Friday | 67°F | Partly Sunny then Slight Chance Rain Showers | 1 to 5 mph SW | 21% |
| Friday Night | 48°F | Chance Rain Showers | 3 mph S | 28% |
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 Sep 19, 2026.