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
81°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3pm, then showers and thunderstorms likely. Mostly cloudy. High near 81, with temperatures falling to around 70 in the afternoon. North wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Ken Caryl
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 81°F | Chance Showers And Thunderstorms | 7 mph N | 55% |
| Tonight | 54°F | Chance Showers And Thunderstorms then Partly Cloudy | 3 to 7 mph W | 36% |
| Saturday | 76°F | Mostly Sunny then Chance Showers And Thunderstorms | 2 to 7 mph ENE | 62% |
| Saturday Night | 51°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 5 mph NW | 46% |
| Sunday | 71°F | Showers And Thunderstorms Likely | 1 to 7 mph ENE | 57% |
| Sunday Night | 49°F | Chance Showers And Thunderstorms then Partly Cloudy | 0 to 6 mph E | 29% |
| Monday | 73°F | Sunny | 0 to 8 mph E | 4% |
| Monday Night | 51°F | Mostly Clear | 1 to 7 mph S | 10% |
| Tuesday | 76°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph SSE | 25% |
| Tuesday Night | 52°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph SSW | 23% |
| Wednesday | 76°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph SE | 22% |
| Wednesday Night | 53°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 1 to 5 mph SSW | 19% |
| Thursday | 76°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 1 to 6 mph N | 19% |
| Thursday Night | 54°F | Chance Rain Showers then Mostly Cloudy | 5 mph SSW | 28% |
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
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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 Sep 18, 2026.