Sterling Ranch, CO Weather & Growing Conditions

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

Overnight

60°F

Patchy Smoke

Patchy smoke and a slight chance of rain showers. Mostly cloudy. Low around 60, with temperatures rising to around 62 overnight. North wind around 8 mph. Chance of precipitation is 20%.

7-day forecast for Sterling Ranch

When	Temp	Forecast	Wind	Precip
Overnight	60°F	Patchy Smoke	8 mph N	15%
Tuesday	82°F	Patchy Smoke	8 mph NE	25%
Tuesday Night	56°F	Patchy Smoke	2 to 9 mph W	15%
Wednesday	89°F	Patchy Smoke then Sunny	2 to 9 mph NNE	0%
Wednesday Night	59°F	Mostly Clear	6 to 9 mph S	5%
Thursday	97°F	Sunny	3 to 9 mph N	1%
Thursday Night	62°F	Clear	7 to 10 mph S	2%
Friday	99°F	Sunny	5 to 10 mph E	0%
Friday Night	66°F	Mostly Clear	12 mph S	1%
Saturday	100°F	Sunny	8 to 12 mph NNE	1%
Saturday Night	66°F	Partly Cloudy	10 mph S	1%
Sunday	100°F	Sunny	8 mph E	10%
Sunday Night	67°F	Partly Cloudy	9 mph SSW	3%
Monday	99°F	Sunny then Slight Chance Showers And Thunderstorms	7 to 10 mph NNW	16%

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

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

Nearby towns & communities

Acres Green Castle Pines Castle Pines Village Castle Rock Franktown Highlands Ranch Larkspur Lone Tree Louviers Parker Perry Park Roxborough Park Sedalia Sierra Ridge Stepping Stone Stonegate The Pinery Westcreek

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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 Aug 4, 2026.