Ken Caryl, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Ken Caryl, a community in Jefferson County, Colorado.
Today
80°F
Patchy Smoke
Patchy smoke before noon, then patchy smoke and a chance of showers and thunderstorms. Mostly sunny. High near 80, with temperatures falling to around 78 in the afternoon. Northeast wind around 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Ken Caryl
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 80°F | Patchy Smoke | 7 mph NE | 26% |
| Tonight | 57°F | Patchy Smoke | 1 to 8 mph NNE | 13% |
| Wednesday | 87°F | Patchy Smoke then Sunny | 2 to 9 mph NE | 0% |
| Wednesday Night | 60°F | Mostly Clear | 3 to 8 mph SSE | 3% |
| Thursday | 95°F | Sunny | 2 to 9 mph N | 1% |
| Thursday Night | 63°F | Mostly Clear | 6 to 10 mph SSW | 2% |
| Friday | 97°F | Sunny | 5 to 9 mph NE | 1% |
| Friday Night | 67°F | Mostly Clear | 8 to 12 mph S | 1% |
| Saturday | 99°F | Sunny | 7 to 10 mph NE | 1% |
| Saturday Night | 67°F | Partly Cloudy | 7 to 10 mph S | 1% |
| Sunday | 98°F | Sunny | 8 mph E | 11% |
| Sunday Night | 68°F | Partly Cloudy | 9 mph WNW | 2% |
| Monday | 97°F | Sunny then Slight Chance Showers And Thunderstorms | 7 to 10 mph NNW | 19% |
| Monday Night | 66°F | Partly Cloudy | 5 to 10 mph WNW | 13% |
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 Aug 4, 2026.