Harman US

Four Square Mile, CO Weather & Growing Conditions

Tonight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. Southwest wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 56°F Partly Cloudy 5 mph SW 9%
Saturday 77°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 8 mph NE 60%
Saturday Night 53°F Chance Showers And Thunderstorms then Partly Cloudy 2 to 6 mph WNW 47%
Sunday 71°F Showers And Thunderstorms Likely 2 to 8 mph E 58%
Sunday Night 51°F Chance Showers And Thunderstorms then Partly Cloudy 2 to 7 mph ESE 34%
Monday 73°F Sunny 2 to 7 mph S 3%
Monday Night 53°F Slight Chance Showers And Thunderstorms then Partly Cloudy 3 to 7 mph SSE 17%
Tuesday 77°F Mostly Sunny 2 to 7 mph E 14%
Tuesday Night 55°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 to 8 mph SSE 19%
Wednesday 77°F Partly Sunny then Slight Chance Showers And Thunderstorms 2 to 7 mph ENE 16%
Wednesday Night 55°F Slight Chance Rain Showers then Mostly Cloudy 6 mph SSW 17%
Thursday 77°F Partly Sunny 2 to 6 mph N 13%
Thursday Night 56°F Chance Rain Showers then Mostly Cloudy 6 mph S 27%
Friday 79°F Mostly Sunny 3 to 8 mph SSE 14%

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

Growing snapshot for Four Square Mile, CO

Last spring frost
May 7
First fall frost
Oct 8
Growing season
152 days
Hardiness zone
6a

Explore more for Four Square Mile, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Cherry Creek Dam, Co (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.