Downey, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Downey, a city in Bannock County, Idaho.
Overnight
37°F
Patchy Smoke
Patchy smoke before 5am. Mostly clear, with a low around 37. North northeast wind around 2 mph.
7-day forecast for Downey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 37°F | Patchy Smoke | 2 mph NNE | 0% |
| Tuesday | 86°F | Patchy Smoke | 2 to 12 mph NNW | 0% |
| Tuesday Night | 41°F | Areas Of Smoke | 0 to 12 mph NE | 0% |
| Wednesday | 90°F | Areas Of Smoke | 0 to 10 mph WNW | 0% |
| Wednesday Night | 46°F | Mostly Clear | 2 to 12 mph SW | 0% |
| Thursday | 96°F | Sunny | 1 to 9 mph S | 0% |
| Thursday Night | 54°F | Mostly Clear | 2 to 12 mph NE | 0% |
| Friday | 99°F | Sunny | 1 to 10 mph S | 0% |
| Friday Night | 57°F | Mostly Clear | 0 to 13 mph NW | 0% |
| Saturday | 98°F | Sunny | 0 to 9 mph NNW | 0% |
| Saturday Night | 60°F | Partly Cloudy | 1 to 12 mph NNW | 0% |
| Sunday | 97°F | Mostly Sunny | 0 to 12 mph WSW | 2% |
| Sunday Night | 58°F | Partly Cloudy | 1 to 12 mph NNW | 2% |
| Monday | 95°F | Sunny | 1 to 12 mph WSW | 5% |
Forecast source: National Weather Service (api.weather.gov) for Downey (42.429, -112.123). Updated through the day.
Growing snapshot for Downey
Last spring frost
May 31
First fall frost
Sep 18
Growing season
110 days
Hardiness zone
6b
More local growing data for Downey: nearby ZIP 83234 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Downey, Id (1.2 mi from Downey). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.