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Lone Tree, CO Weather & Growing Conditions

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

Tonight
34°F
Mostly Clear
Mostly clear, with a low around 34. South wind around 6 mph.

7-day forecast for Lone Tree

WhenTempForecastWindPrecip
Tonight 34°F Mostly Clear 6 mph S 0%
Wednesday 56°F Mostly Sunny then Chance Rain Showers 3 to 8 mph NE 30%
Wednesday Night 35°F Chance Rain Showers then Mostly Cloudy 3 to 7 mph NW 37%
Thursday 56°F Sunny 2 to 7 mph NNE 0%
Thursday Night 35°F Partly Cloudy 3 to 8 mph S 1%
Friday 56°F Mostly Sunny 6 mph NNW 8%
Friday Night 34°F Mostly Clear 3 to 7 mph S 8%
Saturday 59°F Sunny 2 to 8 mph WNW 2%
Saturday Night 34°F Clear 3 to 10 mph S 1%
Sunday 68°F Sunny 2 to 12 mph SSE 0%
Sunday Night 40°F Mostly Clear 5 to 10 mph SW 0%
Monday 66°F Sunny 3 to 10 mph SSE 0%
Monday Night 40°F Partly Cloudy 6 to 9 mph S 0%
Tuesday 64°F Mostly Sunny 3 to 7 mph ESE 6%

Forecast source: National Weather Service (api.weather.gov) for Lone Tree (39.531, -104.871). Updated through the day.

Growing snapshot for Lone Tree

Last spring frost
May 5
First fall frost
Oct 8
Growing season
154 days
Hardiness zone
6a

More local growing data for Lone Tree: nearby ZIP 80124 weather · frost dates · planting calendar · Colorado frost dates

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Climate data from the nearest NOAA station, Denver Centennial Ap, Co (3.4 mi from Lone Tree). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.