Black Hawk, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Hawk, a city in Gilpin County, Colorado.
Overnight
49°F
Patchy Smoke
Patchy smoke and a slight chance of rain showers. Mostly cloudy. Low around 49, with temperatures rising to around 52 overnight. Southeast wind around 2 mph. Chance of precipitation is 20%.
7-day forecast for Black Hawk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 49°F | Patchy Smoke | 2 mph SE | 15% |
| Tuesday | 70°F | Patchy Smoke | 2 to 8 mph SE | 31% |
| Tuesday Night | 51°F | Patchy Smoke | 1 to 7 mph S | 17% |
| Wednesday | 78°F | Mostly Sunny | 8 mph NNW | 0% |
| Wednesday Night | 52°F | Mostly Clear | 2 to 7 mph SW | 1% |
| Thursday | 84°F | Sunny | 6 to 9 mph WNW | 2% |
| Thursday Night | 55°F | Clear | 7 mph WNW | 1% |
| Friday | 86°F | Sunny | 5 to 9 mph N | 1% |
| Friday Night | 59°F | Mostly Clear | 2 to 8 mph SSW | 0% |
| Saturday | 87°F | Sunny | 8 mph NW | 5% |
| Saturday Night | 59°F | Partly Cloudy | 6 mph WNW | 2% |
| Sunday | 86°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 6 mph NNW | 16% |
| Sunday Night | 60°F | Partly Cloudy | 6 mph WNW | 8% |
| Monday | 84°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 7 mph NNW | 52% |
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 Aug 4, 2026.