Holly, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Holly, a town in Prowers County, Colorado.
Tonight
34°F
Mostly Clear
Mostly clear, with a low around 34. West northwest wind around 5 mph.
7-day forecast for Holly
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 34°F | Mostly Clear | 5 mph WNW | 0% |
| Wednesday | 60°F | Mostly Sunny | 5 to 10 mph S | 8% |
| Wednesday Night | 37°F | Showers And Thunderstorms Likely | 10 mph NE | 71% |
| Thursday | 56°F | Chance Rain Showers then Mostly Sunny | 5 to 15 mph NNW | 27% |
| Thursday Night | 30°F | Mostly Clear | 0 to 5 mph NW | 0% |
| Friday | 58°F | Partly Sunny | 0 to 10 mph SSE | 0% |
| Friday Night | 33°F | Partly Cloudy | 5 mph SSE | 3% |
| Saturday | 61°F | Sunny | 5 to 10 mph NW | 3% |
| Saturday Night | 33°F | Mostly Clear | 5 mph NW | 0% |
| Sunday | 64°F | Sunny | 5 mph SW | 0% |
| Sunday Night | 36°F | Mostly Clear | 5 mph SSW | 0% |
| Monday | 68°F | Sunny | 5 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph N | 0% |
| Tuesday | 65°F | Mostly Sunny | 5 mph NE | 0% |
Forecast source: National Weather Service (api.weather.gov) for Holly (38.056, -102.125). Updated through the day.
Growing snapshot for Holly
Last spring frost
May 1
First fall frost
Oct 12
Growing season
163 days
Hardiness zone
6a
More local growing data for Holly: nearby ZIP 81047 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Holly, Co (4.3 mi from Holly). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.