Platteville, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Platteville, a town in Weld County, Colorado.
Overnight
59°F
Patchy Smoke
Patchy smoke. Mostly cloudy. Low around 59, with temperatures rising to around 61 overnight. North northeast wind around 10 mph, with gusts as high as 16 mph.
7-day forecast for Platteville
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 59°F | Patchy Smoke | 10 mph NNE | 11% |
| Tuesday | 79°F | Patchy Smoke | 8 to 12 mph ENE | 7% |
| Tuesday Night | 55°F | Patchy Smoke | 6 to 12 mph ENE | 9% |
| Wednesday | 87°F | Patchy Smoke | 6 to 10 mph NE | 0% |
| Wednesday Night | 57°F | Patchy Smoke then Mostly Clear | 3 to 10 mph NNE | 1% |
| Thursday | 97°F | Sunny | 3 to 8 mph N | 0% |
| Thursday Night | 60°F | Mostly Clear | 5 to 8 mph SSW | 1% |
| Friday | 99°F | Sunny | 2 to 8 mph SSW | 0% |
| Friday Night | 63°F | Mostly Clear | 8 mph S | 0% |
| Saturday | 101°F | Sunny | 3 to 9 mph NNW | 1% |
| Saturday Night | 63°F | Partly Cloudy | 5 to 10 mph W | 1% |
| Sunday | 101°F | Sunny | 3 to 9 mph NNW | 5% |
| Sunday Night | 64°F | Partly Cloudy | 5 to 10 mph W | 6% |
| Monday | 99°F | Sunny | 3 to 12 mph N | 12% |
Forecast source: National Weather Service (api.weather.gov) for Platteville (40.223, -104.834). Updated through the day.
Growing snapshot for Platteville
Last spring frost
May 2
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5b
More local growing data for Platteville: nearby ZIP 80651 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
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Eaton
Erie
Evans
Firestone
Fort Lupton
Frederick
Garden City
Gilcrest
Greeley
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Hudson
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La Salle
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Raymer (New Raymer)
Severance
Windsor
Climate data from the nearest NOAA station, Greeley Unc, Co (12.8 mi from Platteville). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.