Harman US

Denver, CO Weather & Growing Conditions

Today
81°F
Patchy Smoke
Patchy smoke before noon, then patchy smoke and a slight chance of showers and thunderstorms. Mostly sunny. High near 81, with temperatures falling to around 78 in the afternoon. East northeast wind around 8 mph. Chance of precipitation is 20%.

7-day forecast

WhenTempForecastWindPrecip
Today 81°F Patchy Smoke 8 mph ENE 22%
Tonight 57°F Patchy Smoke 2 to 8 mph N 11%
Wednesday 88°F Patchy Smoke then Sunny 2 to 8 mph NNE 0%
Wednesday Night 61°F Mostly Clear 3 to 8 mph SSE 3%
Thursday 96°F Sunny 2 to 9 mph N 0%
Thursday Night 63°F Clear 5 to 9 mph S 2%
Friday 98°F Sunny 3 to 8 mph ESE 0%
Friday Night 68°F Mostly Clear 9 mph SSE 1%
Saturday 100°F Sunny 8 mph NNE 0%
Saturday Night 68°F Partly Cloudy 6 to 9 mph S 0%
Sunday 99°F Sunny 5 to 8 mph ESE 8%
Sunday Night 69°F Partly Cloudy 8 mph W 2%
Monday 98°F Sunny 5 to 10 mph NW 14%
Monday Night 67°F Partly Cloudy 5 to 10 mph W 13%

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

Growing snapshot for Denver, CO

Last spring frost
May 2
First fall frost
Oct 11
Growing season
160 days
Hardiness zone
6a

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

Climate data from the nearest NOAA station, Marston Fltr Plt, Co (2.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.