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Sterling Ranch, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Sterling Ranch, a community in Douglas County, Colorado.

Tonight
32°F
Mostly Clear
Mostly clear, with a low around 32. South southwest wind around 3 mph.

7-day forecast for Sterling Ranch

WhenTempForecastWindPrecip
Tonight 32°F Mostly Clear 3 mph SSW 0%
Wednesday 56°F Mostly Sunny then Chance Rain Showers 2 to 10 mph NW 47%
Wednesday Night 34°F Chance Rain Showers then Mostly Cloudy 1 to 6 mph NW 51%
Thursday 58°F Sunny 1 to 7 mph E 0%
Thursday Night 33°F Partly Cloudy 2 to 6 mph SSW 1%
Friday 57°F Mostly Sunny 2 to 6 mph N 8%
Friday Night 32°F Mostly Clear 6 mph W 8%
Saturday 60°F Sunny 2 to 9 mph E 3%
Saturday Night 32°F Clear 2 to 8 mph W 1%
Sunday 70°F Sunny 2 to 12 mph SSW 0%
Sunday Night 38°F Mostly Clear 3 to 10 mph WSW 0%
Monday 68°F Sunny 3 to 10 mph SSE 0%
Monday Night 39°F Partly Cloudy 6 mph SSW 0%
Tuesday 66°F Mostly Sunny 6 mph E 6%

Forecast source: National Weather Service (api.weather.gov) for Sterling Ranch (39.493, -105.048). Updated through the day.

Growing snapshot for Sterling Ranch

Last spring frost
May 8
First fall frost
Oct 3
Growing season
147 days
Hardiness zone
5b

More local growing data for Sterling Ranch: nearby ZIP 80125 weather · frost dates · planting calendar · Colorado frost dates

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Climate data from the nearest NOAA station, Kassler, Co (1.8 mi from Sterling Ranch). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.