Midvale, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Midvale, a city in Washington County, Idaho.
Today
91°F
Smoke
Smoke. Sunny, with a high near 91. South southeast wind 1 to 5 mph.
7-day forecast for Midvale
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 91°F | Smoke | 1 to 5 mph SSE | 0% |
| Tonight | 55°F | Smoke | 0 to 5 mph SW | 0% |
| Wednesday | 95°F | Smoke | 0 to 3 mph ESE | 0% |
| Wednesday Night | 57°F | Smoke | 3 mph SSE | 0% |
| Thursday | 101°F | Areas Of Smoke | 1 to 6 mph SSE | 0% |
| Thursday Night | 64°F | Areas Of Smoke | 1 to 5 mph SE | 0% |
| Friday | 102°F | Sunny | 1 to 7 mph W | 0% |
| Friday Night | 64°F | Mostly Clear | 3 to 7 mph NW | 0% |
| Saturday | 100°F | Sunny | 1 to 5 mph NW | 0% |
| Saturday Night | 63°F | Mostly Clear | 7 mph NNW | 0% |
| Sunday | 96°F | Sunny | 1 to 5 mph WNW | 0% |
| Sunday Night | 60°F | Mostly Clear | 6 mph NW | 0% |
| Monday | 95°F | Sunny | 1 to 5 mph NNW | 0% |
| Monday Night | 60°F | Mostly Clear | 3 to 7 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Midvale (44.462, -116.741). Updated through the day.
Growing snapshot for Midvale
Last spring frost
May 15
First fall frost
Sep 27
Growing season
134 days
Hardiness zone
6a
More local growing data for Midvale: nearby ZIP 83645 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cambridge, Id (17 mi from Midvale). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.