Greeley, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Greeley, a city in Weld County, Colorado.
Today
78°F
Patchy Smoke
Patchy smoke. Mostly sunny. High near 78, with temperatures falling to around 76 in the afternoon. East wind 8 to 12 mph, with gusts as high as 18 mph.
7-day forecast for Greeley
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke | 8 to 12 mph E | 5% |
| Tonight | 57°F | Patchy Smoke | 6 to 14 mph E | 8% |
| Wednesday | 87°F | Patchy Smoke | 6 to 12 mph ENE | 0% |
| Wednesday Night | 59°F | Patchy Smoke then Mostly Clear | 5 to 13 mph ENE | 1% |
| Thursday | 97°F | Sunny | 5 to 10 mph N | 0% |
| Thursday Night | 61°F | Mostly Clear | 6 to 12 mph NE | 1% |
| Friday | 99°F | Sunny | 3 to 12 mph ESE | 0% |
| Friday Night | 64°F | Mostly Clear | 5 to 13 mph S | 0% |
| Saturday | 102°F | Sunny | 5 to 13 mph WNW | 1% |
| Saturday Night | 65°F | Partly Cloudy | 6 to 13 mph NNW | 1% |
| Sunday | 101°F | Sunny | 5 to 12 mph NNE | 4% |
| Sunday Night | 66°F | Partly Cloudy | 6 to 13 mph WNW | 5% |
| Monday | 99°F | Sunny | 6 to 15 mph N | 10% |
| Monday Night | 66°F | Partly Cloudy | 6 to 16 mph NNW | 12% |
Forecast source: National Weather Service (api.weather.gov) for Greeley (40.414, -104.771). Updated through the day.
Growing snapshot for Greeley
Last spring frost
May 2
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5b
More local growing data for Greeley: nearby ZIP 80634 weather · frost dates · planting calendar · Colorado frost dates
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Garden City
Gilcrest
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Severance
Windsor
Climate data from the nearest NOAA station, Greeley Unc, Co (4.9 mi from Greeley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.