Platteville, CO Weather & Growing Conditions
This Afternoon
57°F
Sunny
Sunny. High near 57, with temperatures falling to around 52 in the afternoon. Northeast wind 5 to 8 mph, with gusts as high as 17 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Sunny | 5 to 8 mph NE | 0% |
| Tonight | 33°F | Mostly Clear | 1 to 5 mph S | 0% |
| Wednesday | 56°F | Mostly Sunny | 3 mph N | 2% |
| Wednesday Night | 34°F | Mostly Cloudy | 5 mph NW | 1% |
| Thursday | 58°F | Sunny | 3 mph S | 0% |
| Thursday Night | 33°F | Partly Cloudy | 3 mph WSW | 1% |
| Friday | 58°F | Mostly Sunny | 5 mph NE | 5% |
| Friday Night | 33°F | Mostly Clear | 3 mph SW | 5% |
| Saturday | 60°F | Sunny | 3 mph SSW | 0% |
| Saturday Night | 32°F | Mostly Clear | 2 mph SSW | 0% |
| Sunday | 66°F | Sunny | 3 mph SSE | 0% |
| Sunday Night | 36°F | Mostly Clear | 5 mph SW | 0% |
| Monday | 65°F | Sunny | 5 mph SSE | 0% |
| Monday Night | 37°F | Partly Cloudy | 3 mph N | 0% |
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 Nov 3, 2026.