Harman US

Ken Caryl, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Ken Caryl, a community in Jefferson County, Colorado.

This Afternoon
55°F
Sunny
Sunny. High near 55, with temperatures falling to around 50 in the afternoon. Northeast wind 2 to 6 mph.

7-day forecast for Ken Caryl

WhenTempForecastWindPrecip
This Afternoon 55°F Sunny 2 to 6 mph NE 0%
Tonight 33°F Mostly Clear 3 mph SW 0%
Wednesday 55°F Mostly Sunny then Chance Rain Showers 2 to 8 mph N 47%
Wednesday Night 34°F Chance Rain Showers then Mostly Cloudy 1 to 6 mph NW 47%
Thursday 57°F Sunny 1 to 6 mph ESE 0%
Thursday Night 34°F Partly Cloudy 1 to 5 mph SSW 1%
Friday 56°F Mostly Sunny 1 to 5 mph NNE 10%
Friday Night 33°F Mostly Clear 5 mph W 10%
Saturday 59°F Sunny 1 to 8 mph ENE 3%
Saturday Night 33°F Clear 5 mph W 1%
Sunday 69°F Sunny 2 to 10 mph S 0%
Sunday Night 39°F Mostly Clear 3 to 10 mph WSW 0%
Monday 67°F Sunny 3 to 8 mph ESE 0%
Monday Night 39°F Partly Cloudy 5 mph W 0%

Forecast source: National Weather Service (api.weather.gov) for Ken Caryl (39.577, -105.114). Updated through the day.

Growing snapshot for Ken Caryl

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

More local growing data for Ken Caryl: nearby ZIP 80128 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 (4.2 mi from Ken Caryl). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.