Harman US

Idalia, CO Weather & Growing Conditions

Overnight
59°F
Mostly Cloudy
Mostly cloudy, with a low around 59. North wind around 10 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 59°F Mostly Cloudy 10 mph N 3%
Saturday 78°F Mostly Sunny then Slight Chance Showers And Thunderstorms 10 mph NE 23%
Saturday Night 55°F Chance Showers And Thunderstorms 5 to 15 mph NE 80%
Sunday 70°F Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 to 15 mph E 26%
Sunday Night 50°F Showers And Thunderstorms Likely 5 to 10 mph SE 66%
Monday 70°F Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms 5 to 10 mph S 18%
Monday Night 50°F Partly Cloudy 10 to 15 mph SE 14%
Tuesday 68°F Partly Sunny 15 to 20 mph SE 12%
Tuesday Night 54°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 20 to 25 mph SE 15%
Wednesday 77°F Partly Sunny 20 to 25 mph S 8%
Wednesday Night 56°F Chance Showers And Thunderstorms then Mostly Cloudy 10 to 20 mph S 28%
Thursday 79°F Partly Sunny 10 mph S 10%
Thursday Night 56°F Mostly Cloudy then Slight Chance Rain Showers 10 mph SE 15%
Friday 78°F Partly Sunny 10 to 15 mph SE 14%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Idalia, CO

Last spring frost
May 4
First fall frost
Oct 9
Growing season
155 days
Hardiness zone
6a

Explore more for Idalia, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Idalia, Co (2.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.