Black Hawk, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Hawk, a city in Gilpin County, Colorado.
This Afternoon
47°F
Sunny
Sunny. High near 47, with temperatures falling to around 39 in the afternoon. North wind around 2 mph.
7-day forecast for Black Hawk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 47°F | Sunny | 2 mph N | 0% |
| Tonight | 29°F | Mostly Clear | 5 mph WNW | 0% |
| Wednesday | 46°F | Chance Snow Showers | 0 to 9 mph NE | 52% |
| Wednesday Night | 29°F | Chance Snow Showers then Mostly Cloudy | 2 mph NNW | 34% |
| Thursday | 52°F | Sunny | 0 to 7 mph NE | 0% |
| Thursday Night | 32°F | Partly Cloudy | 2 mph W | 1% |
| Friday | 50°F | Slight Chance Snow Showers | 1 to 5 mph NW | 22% |
| Friday Night | 31°F | Slight Chance Snow Showers | 5 mph W | 22% |
| Saturday | 52°F | Sunny | 1 to 9 mph NNW | 6% |
| Saturday Night | 32°F | Clear | 2 to 6 mph W | 2% |
| Sunday | 61°F | Sunny | 7 to 12 mph W | 0% |
| Sunday Night | 39°F | Mostly Clear | 6 to 13 mph W | 0% |
| Monday | 60°F | Mostly Sunny | 1 to 9 mph NW | 1% |
| Monday Night | 38°F | Partly Cloudy | 1 to 5 mph WNW | 1% |
Forecast source: National Weather Service (api.weather.gov) for Black Hawk (39.802, -105.493). Updated through the day.
Growing snapshot for Black Hawk
Last spring frost
Jun 5
First fall frost
Sep 16
Growing season
103 days
Hardiness zone
5b
More local growing data for Black Hawk: nearby ZIP 80427 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Coal Creek Canyon, Co (10.2 mi from Black Hawk). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.