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Denver, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Denver, a city in Denver County, Colorado.

Tonight
35°F
Mostly Clear
Mostly clear, with a low around 35. South wind around 5 mph.

7-day forecast for Denver

WhenTempForecastWindPrecip
Tonight 35°F Mostly Clear 5 mph S 0%
Wednesday 57°F Mostly Sunny 2 to 7 mph NNE 11%
Wednesday Night 36°F Mostly Cloudy 2 to 6 mph NW 10%
Thursday 58°F Sunny 5 mph SSE 0%
Thursday Night 36°F Partly Cloudy 6 mph S 1%
Friday 57°F Mostly Sunny 6 mph N 6%
Friday Night 36°F Mostly Clear 5 mph S 6%
Saturday 60°F Sunny 2 to 6 mph ESE 1%
Saturday Night 35°F Clear 2 to 6 mph S 0%
Sunday 68°F Sunny 2 to 8 mph SE 0%
Sunday Night 41°F Mostly Clear 3 to 7 mph WSW 0%
Monday 66°F Sunny 3 to 7 mph SSE 0%
Monday Night 40°F Partly Cloudy 5 mph S 0%
Tuesday 65°F Mostly Sunny 5 mph ESE 5%

Forecast source: National Weather Service (api.weather.gov) for Denver (39.762, -104.881). Updated through the day.

Growing snapshot for Denver

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

More local growing data for Denver: nearby ZIP 80238 weather · frost dates · planting calendar · Colorado frost dates

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Climate data from the nearest NOAA station, Denver-Stapleton, Co (1.1 mi from Denver). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.