Garden City, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Garden City, a town in Weld County, Colorado.
Today
56°F
Partly Sunny
Partly sunny. High near 56, with temperatures falling to around 52 in the afternoon. North wind 2 to 6 mph.
7-day forecast for Garden City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 56°F | Partly Sunny | 2 to 6 mph N | 2% |
| Tonight | 35°F | Mostly Cloudy | 2 to 6 mph NNW | 2% |
| Thursday | 59°F | Sunny | 3 mph SW | 0% |
| Thursday Night | 34°F | Partly Cloudy | 3 mph SSW | 0% |
| Friday | 59°F | Mostly Sunny | 1 to 7 mph N | 6% |
| Friday Night | 33°F | Mostly Clear | 2 mph NNW | 6% |
| Saturday | 60°F | Sunny | 3 mph NNE | 1% |
| Saturday Night | 33°F | Mostly Clear | 2 mph WSW | 0% |
| Sunday | 64°F | Sunny | 3 mph S | 0% |
| Sunday Night | 36°F | Mostly Clear | 3 mph WSW | 0% |
| Monday | 65°F | Sunny | 3 mph SSW | 0% |
| Monday Night | 36°F | Partly Cloudy | 3 mph NE | 0% |
| Tuesday | 64°F | Mostly Sunny | 3 mph SE | 0% |
| Tuesday Night | 37°F | Partly Cloudy | 2 mph NNW | 0% |
Forecast source: National Weather Service (api.weather.gov) for Garden City (40.395, -104.689). Updated through the day.
Growing snapshot for Garden City
Last spring frost
May 2
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5b
More local growing data for Garden City: nearby ZIP 80620 weather · frost dates · planting calendar · Colorado frost dates
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Climate data from the nearest NOAA station, Greeley Unc, Co (2 mi from Garden City). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.