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Platteville, CO Weather & Growing Conditions

Tonight
53°F
Mostly Cloudy
Mostly cloudy, with a low around 53. West wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 53°F Mostly Cloudy 5 mph W 9%
Saturday 76°F Partly Sunny then Slight Chance Showers And Thunderstorms 2 to 8 mph S 77%
Saturday Night 50°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 2 to 7 mph WNW 59%
Sunday 71°F Chance Rain Showers 2 to 6 mph NE 54%
Sunday Night 47°F Chance Rain Showers then Partly Cloudy 1 to 6 mph ESE 30%
Monday 74°F Mostly Sunny 1 to 8 mph SE 2%
Monday Night 49°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 to 9 mph E 19%
Tuesday 77°F Mostly Sunny 2 to 6 mph NNE 9%
Tuesday Night 52°F Chance Showers And Thunderstorms then Mostly Cloudy 3 to 7 mph SSE 30%
Wednesday 78°F Partly Sunny 6 mph NNE 7%
Wednesday Night 52°F Slight Chance Rain Showers then Mostly Cloudy 5 mph SSW 15%
Thursday 79°F Mostly Sunny 2 to 7 mph NE 7%
Thursday Night 53°F Slight Chance Rain Showers then Mostly Cloudy 2 to 7 mph SSE 19%
Friday 79°F Mostly Sunny 2 to 7 mph SSE 11%

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 Sep 19, 2026.