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
78°F
Patchy Smoke
Patchy smoke. Mostly sunny, with a high near 78. East wind 8 to 12 mph, with gusts as high as 18 mph.
7-day forecast for Garden City
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke | 8 to 12 mph E | 3% |
| Tonight | 55°F | Patchy Smoke | 7 to 14 mph E | 9% |
| Wednesday | 87°F | Patchy Smoke | 6 to 13 mph ENE | 0% |
| Wednesday Night | 57°F | Patchy Smoke then Mostly Clear | 3 to 13 mph E | 1% |
| Thursday | 99°F | Sunny | 3 to 9 mph N | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 to 10 mph NE | 1% |
| Friday | 100°F | Sunny | 3 to 10 mph SSE | 0% |
| Friday Night | 63°F | Mostly Clear | 6 to 10 mph SSE | 0% |
| Saturday | 103°F | Sunny | 5 to 13 mph WNW | 1% |
| Saturday Night | 63°F | Partly Cloudy | 6 to 13 mph SW | 0% |
| Sunday | 102°F | Sunny | 5 to 12 mph NNW | 3% |
| Sunday Night | 65°F | Partly Cloudy | 6 to 13 mph NW | 5% |
| Monday | 100°F | Sunny | 6 to 14 mph N | 9% |
| Monday Night | 64°F | Mostly Cloudy | 6 to 15 mph NNW | 12% |
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 Aug 4, 2026.