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Garden City, ID Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Garden City, a city in Ada County, Idaho.

Overnight
38°F
Mostly Cloudy
Mostly cloudy, with a low around 38. West northwest wind around 2 mph.

7-day forecast for Garden City

WhenTempForecastWindPrecip
Overnight 38°F Mostly Cloudy 2 mph WNW 2%
Wednesday 59°F Sunny 2 to 6 mph WNW 1%
Wednesday Night 39°F Mostly Cloudy 3 mph ENE 3%
Thursday 56°F Partly Sunny 2 to 6 mph WNW 3%
Thursday Night 33°F Mostly Clear 1 to 6 mph NE 0%
Friday 59°F Mostly Sunny 3 mph ENE 0%
Friday Night 36°F Partly Cloudy 3 mph NNE 0%
Saturday 64°F Sunny 2 to 6 mph ENE 0%
Saturday Night 42°F Partly Cloudy 6 to 9 mph SE 0%
Sunday 66°F Mostly Sunny 2 to 7 mph S 0%
Sunday Night 40°F Mostly Cloudy 2 mph NNE 0%
Monday 64°F Partly Sunny 2 mph SSE 0%
Monday Night 41°F Mostly Cloudy 2 mph N 1%
Tuesday 65°F Mostly Sunny 2 mph SE 10%

Forecast source: National Weather Service (api.weather.gov) for Garden City (43.668, -116.294). Updated through the day.

Growing snapshot for Garden City

Last spring frost
Apr 24
First fall frost
Oct 21
Growing season
179 days
Hardiness zone
7a

More local growing data for Garden City: nearby ZIP 83704 weather · frost dates · planting calendar · Idaho frost dates

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Climate data from the nearest NOAA station, Boise Air Terminal, Id (4.8 mi from Garden City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.