Harman US

Denver, CO Weather & Growing Conditions

Overnight
56°F
Partly Cloudy
Partly cloudy, with a low around 56. West wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 56°F Partly Cloudy 3 mph W 3%
Saturday 77°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 8 mph E 59%
Saturday Night 52°F Chance Showers And Thunderstorms then Partly Cloudy 2 to 7 mph SE 44%
Sunday 71°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 9 mph ENE 29%
Sunday Night 52°F Chance Showers And Thunderstorms then Partly Cloudy 1 to 7 mph NNW 30%
Monday 73°F Sunny 1 to 8 mph ESE 4%
Monday Night 52°F Slight Chance Showers And Thunderstorms then Partly Cloudy 3 to 8 mph SSE 23%
Tuesday 76°F Mostly Sunny 2 to 7 mph SE 11%
Tuesday Night 54°F Partly Cloudy 5 to 9 mph S 14%
Wednesday 77°F Partly Sunny 6 mph N 12%
Wednesday Night 55°F Mostly Cloudy 6 mph SSW 12%
Thursday 79°F Mostly Sunny 2 to 7 mph SE 9%
Thursday Night 57°F Slight Chance Rain Showers then Mostly Cloudy 3 to 7 mph S 15%
Friday 80°F Mostly Sunny 3 to 9 mph S 14%

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

Growing snapshot for Denver, CO

Last spring frost
May 4
First fall frost
Oct 8
Growing season
156 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Denver-Stapleton, Co (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.