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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

WhenTempForecastWindPrecip
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

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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.