Downey, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Downey, a city in Bannock County, Idaho.
Tonight
25°F
Areas Of Fog
Areas of fog after 10pm. Mostly cloudy. Low around 25, with temperatures rising to around 29 overnight. North wind around 1 mph.
7-day forecast for Downey
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 25°F | Areas Of Fog | 1 mph N | 5% |
| Wednesday | 50°F | Areas Of Fog then Mostly Cloudy | 1 to 8 mph NW | 6% |
| Wednesday Night | 21°F | Areas Of Fog | 0 to 3 mph NNW | 0% |
| Thursday | 48°F | Areas Of Fog then Partly Sunny | 0 to 3 mph SW | 13% |
| Thursday Night | 22°F | Mostly Cloudy then Areas Of Fog | 2 mph W | 13% |
| Friday | 49°F | Mostly Sunny | 0 to 3 mph W | 1% |
| Friday Night | 22°F | Partly Cloudy | 2 mph S | 1% |
| Saturday | 53°F | Sunny | 2 mph S | 0% |
| Saturday Night | 24°F | Mostly Clear | 2 to 6 mph SSE | 0% |
| Sunday | 57°F | Sunny | 6 to 10 mph SSE | 0% |
| Sunday Night | 27°F | Partly Cloudy | 2 to 6 mph SSE | 1% |
| Monday | 58°F | Mostly Sunny | 2 to 6 mph SSE | 1% |
| Monday Night | 29°F | Mostly Cloudy | 0 to 5 mph SSE | 4% |
| Tuesday | 58°F | Mostly Sunny | 0 to 5 mph SSW | 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 Nov 4, 2026.