Star, ID Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Star, a city in Ada County, Idaho.
Overnight
36°F
Mostly Cloudy
Mostly cloudy, with a low around 36. West northwest wind around 3 mph.
7-day forecast for Star
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 36°F | Mostly Cloudy | 3 mph WNW | 4% |
| Wednesday | 60°F | Sunny | 3 to 7 mph WNW | 1% |
| Wednesday Night | 36°F | Partly Cloudy | 3 mph ENE | 4% |
| Thursday | 57°F | Partly Sunny | 2 to 7 mph NNW | 4% |
| Thursday Night | 30°F | Areas Of Fog | 1 to 6 mph NE | 0% |
| Friday | 58°F | Mostly Sunny | 3 mph ENE | 0% |
| Friday Night | 32°F | Partly Cloudy | 3 mph N | 0% |
| Saturday | 63°F | Sunny | 1 to 6 mph ESE | 0% |
| Saturday Night | 38°F | Partly Cloudy | 5 to 10 mph SE | 0% |
| Sunday | 64°F | Mostly Sunny | 2 to 9 mph SW | 0% |
| Sunday Night | 36°F | Mostly Cloudy then Patchy Fog | 2 mph NW | 0% |
| Monday | 63°F | Patchy Fog then Partly Sunny | 2 mph SSW | 0% |
| Monday Night | 37°F | Mostly Cloudy then Patchy Fog | 2 mph NNW | 2% |
| Tuesday | 64°F | Patchy Fog then Mostly Sunny | 2 mph WNW | 10% |
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 Nov 4, 2026.