Star, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Star, a city in Ada County, Idaho.
This Afternoon
78°F
Sunny
Sunny, with a high near 78. Northwest wind around 6 mph.
7-day forecast for Star
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 78°F | Sunny | 6 mph NW | 1% |
| Tonight | 50°F | Mostly Clear | 0 to 5 mph ENE | 1% |
| Sunday | 82°F | Sunny | 3 mph SE | 1% |
| Sunday Night | 51°F | Mostly Clear | 2 mph ENE | 0% |
| Monday | 85°F | Sunny | 2 mph SE | 0% |
| Monday Night | 52°F | Partly Cloudy | 2 mph NNE | 0% |
| Tuesday | 86°F | Mostly Sunny | 2 mph SSE | 0% |
| Tuesday Night | 53°F | Mostly Clear | 3 mph ENE | 0% |
| Wednesday | 85°F | Sunny | 0 to 5 mph S | 0% |
| Wednesday Night | 52°F | Mostly Clear | 5 mph N | 1% |
| Thursday | 86°F | Sunny | 5 mph S | 0% |
| Thursday Night | 53°F | Partly Cloudy | 6 mph ENE | 1% |
| Friday | 83°F | Mostly Sunny | 3 to 7 mph S | 2% |
| Friday Night | 49°F | Partly Cloudy | 7 mph WNW | 6% |
Forecast source: National Weather Service (api.weather.gov) for Star (43.700, -116.490). Updated through the day.
Growing snapshot for Star
Last spring frost
Apr 30
First fall frost
Oct 17
Growing season
168 days
Hardiness zone
7a
More local growing data for Star: nearby ZIP 83669 weather · frost dates · planting calendar · Idaho frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Emmett 2 E, Id (9 mi from Star). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.