Harman US

Sterling Ranch, CO Weather & Growing Conditions

This Afternoon
82°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3pm, then showers and thunderstorms likely. Mostly cloudy. High near 82, with temperatures falling to around 71 in the afternoon. North northeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 82°F Chance Showers And Thunderstorms 7 mph NNE 57%
Tonight 53°F Chance Showers And Thunderstorms then Partly Cloudy 3 to 7 mph WSW 37%
Saturday 78°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 8 mph E 61%
Saturday Night 50°F Chance Showers And Thunderstorms then Partly Cloudy 1 to 6 mph WNW 44%
Sunday 72°F Mostly Sunny then Showers And Thunderstorms Likely 2 to 9 mph ESE 57%
Sunday Night 49°F Chance Showers And Thunderstorms then Partly Cloudy 1 to 7 mph SE 30%
Monday 74°F Sunny 1 to 9 mph ESE 4%
Monday Night 50°F Mostly Clear 3 to 8 mph S 10%
Tuesday 78°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 7 mph ESE 25%
Tuesday Night 52°F Slight Chance Showers And Thunderstorms then Partly Cloudy 3 to 7 mph S 21%
Wednesday 77°F Partly Sunny then Slight Chance Showers And Thunderstorms 3 to 7 mph SE 23%
Wednesday Night 52°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 6 mph SSW 19%
Thursday 77°F Partly Sunny then Slight Chance Showers And Thunderstorms 6 mph NNW 19%
Thursday Night 53°F Chance Rain Showers then Mostly Cloudy 6 mph S 26%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Sterling Ranch, CO

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

Explore more for Sterling Ranch, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Kassler, Co (1.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.