Black Hawk, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Black Hawk, a city in Gilpin County, Colorado.
Tonight
43°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 9pm. Partly cloudy. Low around 43, with temperatures rising to around 45 overnight. West wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Black Hawk
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph W | 20% |
| Saturday | 65°F | Mostly Sunny then Chance Showers And Thunderstorms | 6 mph SW | 73% |
| Saturday Night | 42°F | Chance Showers And Thunderstorms then Slight Chance Showers And Thunderstorms | 3 mph W | 35% |
| Sunday | 62°F | Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms | 1 to 7 mph NW | 22% |
| Sunday Night | 41°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 3 mph WNW | 15% |
| Monday | 63°F | Sunny | 0 to 7 mph SE | 6% |
| Monday Night | 44°F | Mostly Clear | 0 to 5 mph NNW | 6% |
| Tuesday | 67°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph SSE | 51% |
| Tuesday Night | 45°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 mph SW | 31% |
| Wednesday | 66°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 5 mph SSE | 46% |
| Wednesday Night | 46°F | Slight Chance Rain Showers then Mostly Cloudy | 2 mph WSW | 22% |
| Thursday | 65°F | Partly Sunny then Chance Showers And Thunderstorms | 1 to 6 mph N | 33% |
| Thursday Night | 47°F | Chance Rain Showers then Mostly Cloudy | 3 mph SW | 32% |
| Friday | 67°F | Mostly Sunny then Chance Showers And Thunderstorms | 1 to 7 mph NE | 35% |
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 Sep 19, 2026.