Platteville, CO Weather & Growing Conditions
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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Patchy Smoke | 8 to 12 mph E | 5% |
| Tonight | 55°F | Patchy Smoke | 5 to 12 mph ENE | 9% |
| Wednesday | 86°F | Patchy Smoke | 6 to 12 mph ENE | 0% |
| Wednesday Night | 57°F | Patchy Smoke then Mostly Clear | 3 to 12 mph NE | 1% |
| Thursday | 96°F | Sunny | 3 to 8 mph N | 0% |
| Thursday Night | 59°F | Mostly Clear | 5 to 8 mph W | 1% |
| Friday | 99°F | Sunny | 3 to 8 mph S | 0% |
| Friday Night | 62°F | Mostly Clear | 6 to 9 mph S | 0% |
| Saturday | 101°F | Sunny | 3 to 9 mph N | 1% |
| Saturday Night | 62°F | Partly Cloudy | 5 to 10 mph W | 1% |
| Sunday | 100°F | Sunny | 3 to 9 mph NNW | 5% |
| Sunday Night | 64°F | Partly Cloudy | 5 to 10 mph W | 6% |
| Monday | 99°F | Sunny | 5 to 12 mph N | 11% |
| Monday Night | 64°F | Mostly Cloudy | 5 to 13 mph NW | 13% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Platteville, CO
Last spring frost
May 2
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5b
Explore more for Platteville, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Greeley Unc, Co (12.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.