Cascade, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cascade, a city in Valley County, Idaho.
Overnight
46°F
Areas Of Smoke
Areas of smoke. Mostly clear. Low around 46, with temperatures rising to around 51 overnight. North wind around 2 mph.
7-day forecast for Cascade
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 46°F | Areas Of Smoke | 2 mph N | 0% |
| Tuesday | 76°F | Areas Of Smoke | 3 mph NNW | 0% |
| Tuesday Night | 50°F | Areas Of Smoke | 1 to 5 mph NW | 0% |
| Wednesday | 80°F | Areas Of Smoke | 1 mph NNE | 0% |
| Wednesday Night | 53°F | Areas Of Smoke | 0 to 3 mph WSW | 0% |
| Thursday | 86°F | Smoke | 1 mph NNW | 0% |
| Thursday Night | 56°F | Areas Of Smoke | 0 to 5 mph W | 0% |
| Friday | 88°F | Sunny | 1 to 7 mph E | 0% |
| Friday Night | 57°F | Mostly Clear | 2 to 6 mph N | 0% |
| Saturday | 86°F | Sunny | 0 to 7 mph NNW | 0% |
| Saturday Night | 57°F | Mostly Clear | 3 to 7 mph N | 0% |
| Sunday | 83°F | Sunny | 1 to 7 mph N | 0% |
| Sunday Night | 55°F | Mostly Clear | 2 to 7 mph NNW | 0% |
| Monday | 82°F | Sunny | 0 to 6 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Cascade (44.509, -116.044). Updated through the day.
Growing snapshot for Cascade
Last spring frost
May 30
First fall frost
Sep 19
Growing season
110 days
Hardiness zone
5a
More local growing data for Cascade: nearby ZIP 83615 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cascade 1 Nw, Id (12.6 mi from Cascade). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.