Smiths Ferry, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Smiths Ferry, a community in Boise County, Idaho.
Today
82°F
Areas Of Smoke
Areas of smoke. Sunny, with a high near 82. Northwest wind 0 to 5 mph.
7-day forecast for Smiths Ferry
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 82°F | Areas Of Smoke | 0 to 5 mph NW | 0% |
| Tonight | 48°F | Areas Of Smoke | 0 to 5 mph N | 0% |
| Wednesday | 86°F | Areas Of Smoke | 0 to 3 mph N | 0% |
| Wednesday Night | 50°F | Areas Of Smoke | 2 mph NW | 0% |
| Thursday | 93°F | Smoke | 0 to 5 mph NNW | 0% |
| Thursday Night | 51°F | Patchy Smoke | 2 mph NNW | 0% |
| Friday | 94°F | Sunny | 1 to 6 mph NNW | 0% |
| Friday Night | 53°F | Mostly Clear | 2 to 6 mph N | 0% |
| Saturday | 92°F | Sunny | 1 to 6 mph NNE | 0% |
| Saturday Night | 53°F | Mostly Clear | 2 to 6 mph N | 0% |
| Sunday | 89°F | Sunny | 1 to 6 mph NNW | 0% |
| Sunday Night | 51°F | Mostly Clear | 2 to 6 mph N | 0% |
| Monday | 87°F | Sunny | 1 to 6 mph NNW | 0% |
| Monday Night | 50°F | Mostly Clear | 5 mph N | 0% |
Forecast source: National Weather Service (api.weather.gov) for Smiths Ferry (44.299, -116.078). Updated through the day.
Growing snapshot for Smiths Ferry
Last spring frost
Jun 1
First fall frost
Sep 10
Growing season
102 days
Hardiness zone
7a
More local growing data for Smiths Ferry: nearby ZIP 83602 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Garden Valley, Id (8.8 mi from Smiths Ferry). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.