Harman US

Denver, CO Weather & Growing Conditions

This Afternoon
79°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3pm, then showers and thunderstorms likely. Partly sunny. High near 79, with temperatures falling to around 70 in the afternoon. Northeast wind 5 to 8 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 79°F Chance Showers And Thunderstorms 5 to 8 mph NE 70%
Tonight 52°F Chance Showers And Thunderstorms then Partly Cloudy 2 to 6 mph SSE 42%
Sunday 70°F Chance Showers And Thunderstorms 3 to 9 mph NNE 26%
Sunday Night 51°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 to 8 mph ESE 23%
Monday 74°F Sunny 1 to 8 mph ENE 2%
Monday Night 53°F Partly Cloudy 5 to 8 mph SSE 8%
Tuesday 79°F Mostly Sunny 3 to 8 mph SE 9%
Tuesday Night 54°F Mostly Cloudy 3 to 9 mph S 14%
Wednesday 77°F Partly Sunny 6 mph NNE 13%
Wednesday Night 55°F Mostly Cloudy 6 mph SSW 13%
Thursday 78°F Mostly Sunny 2 to 8 mph ESE 10%
Thursday Night 56°F Slight Chance Rain Showers then Mostly Cloudy 5 to 8 mph SSE 15%
Friday 80°F Mostly Sunny 5 to 9 mph S 14%
Friday Night 56°F Slight Chance Rain Showers 6 to 10 mph S 19%

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

Growing snapshot for Denver, CO

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

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

Climate data from the nearest NOAA station, Cherry Creek Dam, Co (3.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.