Harman US

Columbine Valley, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Columbine Valley, a town in Arapahoe County, Colorado.

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. Northeast wind around 8 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Columbine Valley

WhenTempForecastWindPrecip
Today 81°F Patchy Smoke 8 mph NE 23%
Tonight 58°F Patchy Smoke 2 to 8 mph N 12%
Wednesday 88°F Patchy Smoke then Sunny 2 to 8 mph NNE 0%
Wednesday Night 61°F Mostly Clear 5 to 8 mph SSE 4%
Thursday 97°F Sunny 2 to 9 mph N 0%
Thursday Night 63°F Clear 6 to 9 mph S 2%
Friday 99°F Sunny 5 to 8 mph E 0%
Friday Night 68°F Mostly Clear 10 mph S 1%
Saturday 100°F Sunny 9 mph NE 0%
Saturday Night 68°F Partly Cloudy 9 mph S 1%
Sunday 99°F Sunny 8 mph E 8%
Sunday Night 68°F Partly Cloudy 8 mph W 3%
Monday 98°F Sunny 6 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) for Columbine Valley (39.600, -105.031). Updated through the day.

Growing snapshot for Columbine Valley

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

More local growing data for Columbine Valley: nearby ZIP 80120 weather · frost dates · planting calendar · Colorado frost dates

Nearby towns & communities

All Colorado locations ›

Climate data from the nearest NOAA station, Marston Fltr Plt, Co (3.4 mi from Columbine Valley). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.