Holly, CO Weather & Growing Conditions
Today
60°F
Mostly Sunny
Mostly sunny, with a high near 60. East southeast wind 10 to 15 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 60°F | Mostly Sunny | 10 to 15 mph ESE | 8% |
| Tonight | 37°F | Showers And Thunderstorms | 10 to 15 mph NNE | 83% |
| Thursday | 57°F | Chance Rain Showers then Mostly Sunny | 5 to 15 mph NNW | 26% |
| Thursday Night | 31°F | Mostly Clear | 0 to 5 mph WNW | 0% |
| Friday | 58°F | Partly Sunny | 5 to 10 mph SSE | 0% |
| Friday Night | 33°F | Partly Cloudy | 5 to 10 mph S | 3% |
| Saturday | 60°F | Sunny | 5 to 10 mph NW | 3% |
| Saturday Night | 33°F | Mostly Clear | 5 to 10 mph NW | 0% |
| Sunday | 64°F | Sunny | 5 to 10 mph SW | 0% |
| Sunday Night | 36°F | Mostly Clear | 5 to 10 mph SW | 0% |
| Monday | 67°F | Sunny | 5 to 10 mph NW | 0% |
| Monday Night | 37°F | Partly Cloudy | 5 mph N | 0% |
| Tuesday | 65°F | Mostly Sunny | 5 mph N | 0% |
| Tuesday Night | 38°F | Partly Cloudy | 5 to 10 mph WSW | 1% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Holly, CO
Last spring frost
May 1
First fall frost
Oct 12
Growing season
163 days
Hardiness zone
6a
Explore more for Holly, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Holly, Co (4.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.