Harman US

Denver, CO Weather & Growing Conditions

Overnight
61°F
Patchy Smoke
Patchy smoke and a slight chance of rain showers. Mostly cloudy. Low around 61, with temperatures rising to around 64 overnight. North northeast wind around 12 mph, with gusts as high as 18 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Overnight 61°F Patchy Smoke 12 mph NNE 20%
Tuesday 81°F Patchy Smoke 5 to 9 mph ENE 20%
Tuesday Night 58°F Patchy Smoke 2 to 9 mph N 12%
Wednesday 89°F Patchy Smoke 2 to 8 mph NNE 0%
Wednesday Night 62°F Mostly Clear 3 to 8 mph S 3%
Thursday 97°F Sunny 2 to 8 mph NNE 0%
Thursday Night 65°F Mostly Clear 5 to 8 mph SSE 2%
Friday 99°F Sunny 3 to 8 mph ESE 0%
Friday Night 69°F Mostly Clear 9 mph SSE 1%
Saturday 100°F Sunny 8 mph NE 0%
Saturday Night 69°F Partly Cloudy 5 to 9 mph S 0%
Sunday 100°F Sunny 5 to 8 mph ESE 8%
Sunday Night 70°F Partly Cloudy 5 to 8 mph WNW 3%
Monday 99°F Sunny 5 to 10 mph NNW 14%

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 (0.8 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.