Holly, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Holly, a town in Prowers County, Colorado.
Overnight
67°F
Partly Cloudy
Partly cloudy, with a low around 67. North northwest wind 15 to 20 mph, with gusts as high as 40 mph.
7-day forecast for Holly
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 67°F | Partly Cloudy | 15 to 20 mph NNW | 5% |
| Tuesday | 82°F | Patchy Smoke | 15 to 25 mph NNE | 6% |
| Tuesday Night | 60°F | Patchy Smoke then Partly Cloudy | 10 to 15 mph ENE | 9% |
| Wednesday | 89°F | Mostly Sunny | 5 to 20 mph E | 0% |
| Wednesday Night | 61°F | Partly Cloudy then Chance Showers And Thunderstorms | 5 to 20 mph E | 31% |
| Thursday | 97°F | Sunny | 5 to 15 mph SSE | 2% |
| Thursday Night | 65°F | Mostly Clear | 5 to 15 mph ESE | 6% |
| Friday | 101°F | Sunny | 5 to 15 mph S | 3% |
| Friday Night | 66°F | Mostly Clear | 10 to 15 mph SSE | 5% |
| Saturday | 104°F | Sunny | 5 to 15 mph S | 0% |
| Saturday Night | 69°F | Mostly Clear | 15 mph S | 1% |
| Sunday | 105°F | Sunny | 10 to 15 mph S | 0% |
| Sunday Night | 70°F | Mostly Clear | 15 to 20 mph S | 1% |
| Monday | 104°F | Sunny | 15 to 20 mph S | 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 Aug 4, 2026.