Harman US

Denver, CO Weather & Growing Conditions

Tonight
51°F
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 9pm. Partly cloudy. Low around 51, with temperatures rising to around 54 overnight. West southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 51°F Chance Showers And Thunderstorms then Partly Cloudy 5 mph WSW 35%
Sunday 71°F Chance Showers And Thunderstorms 2 to 8 mph N 26%
Sunday Night 51°F Slight Chance Showers And Thunderstorms then Partly Cloudy 1 to 7 mph NE 23%
Monday 74°F Sunny 1 to 8 mph NNE 2%
Monday Night 51°F Partly Cloudy 1 to 7 mph SSE 7%
Tuesday 79°F Mostly Sunny 1 to 6 mph ESE 11%
Tuesday Night 54°F Mostly Cloudy 2 to 6 mph SSW 10%
Wednesday 80°F Partly Sunny 5 mph N 8%
Wednesday Night 55°F Mostly Cloudy 5 mph SW 8%
Thursday 81°F Mostly Sunny 2 to 7 mph SSE 8%
Thursday Night 57°F Mostly Cloudy 2 to 7 mph SSE 13%
Friday 81°F Mostly Sunny then Chance Showers And Thunderstorms 2 to 8 mph SSE 27%
Friday Night 56°F Slight Chance Rain Showers 5 to 8 mph S 24%
Saturday 82°F Mostly Sunny then Slight Chance Showers And Thunderstorms 6 mph E 22%

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

Growing snapshot for Denver, CO

Last spring frost
Apr 30
First fall frost
Oct 12
Growing season
165 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 Water Dept, Co (2.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.