Harman US

Holly, CO Weather & Growing Conditions

This Afternoon
96°F
Mostly Sunny
Mostly sunny, with a high near 96. South southwest wind around 15 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 96°F Mostly Sunny 15 mph SSW 6%
Tonight 62°F Partly Cloudy 10 to 15 mph WSW 8%
Saturday 88°F Mostly Sunny 5 to 10 mph N 5%
Saturday Night 59°F Showers And Thunderstorms Likely 10 to 15 mph ENE 56%
Sunday 77°F Slight Chance Rain Showers then Partly Sunny 10 to 15 mph NE 18%
Sunday Night 56°F Chance Showers And Thunderstorms then Showers And Thunderstorms Likely 5 to 15 mph NE 68%
Monday 75°F Slight Chance Rain Showers then Partly Sunny 5 to 10 mph E 23%
Monday Night 56°F Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms 10 to 15 mph ESE 50%
Tuesday 74°F Chance Rain Showers 15 to 20 mph SE 38%
Tuesday Night 59°F Chance Showers And Thunderstorms 15 to 20 mph SE 45%
Wednesday 76°F Chance Rain Showers 20 mph SSE 40%
Wednesday Night 60°F Chance Showers And Thunderstorms 15 mph SSE 34%
Thursday 79°F Chance Rain Showers 15 mph S 32%
Thursday Night 59°F Chance Showers And Thunderstorms 10 to 15 mph SSE 31%

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 Sep 19, 2026.