Salmon, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Salmon, a city in Lemhi County, Idaho.
Overnight
41°F
Areas Of Smoke
Areas of smoke. Mostly clear, with a low around 41. North northeast wind around 1 mph.
7-day forecast for Salmon
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 41°F | Areas Of Smoke | 1 mph NNE | 0% |
| Tuesday | 86°F | Areas Of Smoke | 0 to 8 mph NE | 0% |
| Tuesday Night | 45°F | Areas Of Smoke | 0 to 9 mph NW | 0% |
| Wednesday | 91°F | Patchy Smoke | 0 to 5 mph NNW | 0% |
| Wednesday Night | 49°F | Patchy Smoke then Mostly Clear | 0 to 6 mph WNW | 0% |
| Thursday | 98°F | Sunny | 0 to 5 mph NW | 0% |
| Thursday Night | 55°F | Mostly Clear | 0 to 7 mph NNW | 0% |
| Friday | 99°F | Sunny | 0 to 7 mph W | 0% |
| Friday Night | 54°F | Mostly Clear | 1 to 12 mph WNW | 0% |
| Saturday | 97°F | Sunny | 0 to 9 mph NW | 0% |
| Saturday Night | 54°F | Mostly Clear | 0 to 10 mph NNW | 1% |
| Sunday | 96°F | Sunny | 0 to 8 mph NNW | 0% |
| Sunday Night | 52°F | Mostly Clear | 0 to 12 mph NW | 1% |
| Monday | 94°F | Sunny | 0 to 7 mph NNE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Salmon (45.174, -113.895). Updated through the day.
Growing snapshot for Salmon
Last spring frost
May 17
First fall frost
Sep 24
Growing season
127 days
Hardiness zone
5b
More local growing data for Salmon: nearby ZIP 83467 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Salmon-Ksra, Id (9.1 mi from Salmon). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.