Bark Ranch, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Bark Ranch, a community in Boulder County, Colorado.
Overnight
50°F
Patchy Smoke
Patchy smoke and a slight chance of rain showers. Mostly cloudy. Low around 50, with temperatures rising to around 52 overnight. East wind around 3 mph. Chance of precipitation is 20%.
7-day forecast for Bark Ranch
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 50°F | Patchy Smoke | 3 mph E | 16% |
| Tuesday | 65°F | Patchy Smoke | 3 to 7 mph ESE | 19% |
| Tuesday Night | 50°F | Patchy Smoke | 2 to 6 mph ESE | 13% |
| Wednesday | 73°F | Mostly Sunny | 6 mph NE | 3% |
| Wednesday Night | 52°F | Mostly Clear | 2 to 6 mph SW | 1% |
| Thursday | 80°F | Sunny | 2 to 6 mph NNW | 2% |
| Thursday Night | 55°F | Mostly Clear | 6 mph NNW | 1% |
| Friday | 82°F | Sunny | 6 mph NNE | 0% |
| Friday Night | 59°F | Mostly Clear | 3 to 8 mph WNW | 0% |
| Saturday | 84°F | Mostly Sunny | 3 to 8 mph NNW | 6% |
| Saturday Night | 62°F | Partly Cloudy | 6 mph W | 2% |
| Sunday | 83°F | Sunny | 5 mph NNW | 10% |
| Sunday Night | 63°F | Partly Cloudy | 6 mph WNW | 8% |
| Monday | 81°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 6 mph NE | 44% |
Forecast source: National Weather Service (api.weather.gov) for Bark Ranch (40.118, -105.441). Updated through the day.
Growing snapshot for Bark Ranch
Last spring frost
Jun 21
First fall frost
Sep 2
Growing season
71 days
Hardiness zone
5b
More local growing data for Bark Ranch: nearby ZIP 80455 weather · frost dates · planting calendar · Colorado frost dates
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Climate data from the nearest NOAA station, Boulder 14 W, Co (8.6 mi from Bark Ranch). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.