Harman US

Glendale, CO Weather & Growing Conditions

Tonight
31°F
Mostly Clear
Mostly clear, with a low around 31. Southwest wind around 3 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 31°F Mostly Clear 3 mph SW 1%
Wednesday 45°F Partly Sunny then Slight Chance Rain And Snow Showers 1 to 6 mph NNE 18%
Wednesday Night 30°F Slight Chance Rain And Snow Showers then Mostly Cloudy 3 mph NW 19%
Thursday 50°F Sunny 1 to 7 mph SSE 0%
Thursday Night 34°F Partly Cloudy 3 mph WSW 1%
Friday 49°F Mostly Sunny then Slight Chance Snow Showers 0 to 5 mph ESE 16%
Friday Night 32°F Slight Chance Snow Showers then Partly Cloudy 2 to 7 mph W 16%
Saturday 53°F Sunny 0 to 10 mph N 2%
Saturday Night 33°F Mostly Clear 1 to 6 mph W 1%
Sunday 60°F Sunny 1 to 10 mph W 0%
Sunday Night 41°F Mostly Clear 6 to 10 mph W 0%
Monday 59°F Mostly Sunny 1 to 12 mph NW 0%
Monday Night 39°F Partly Cloudy 1 to 7 mph WNW 0%
Tuesday 57°F Mostly Sunny 1 to 7 mph W 7%

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

Growing snapshot for Glendale, CO

Last spring frost
Jun 21
First fall frost
Sep 2
Growing season
71 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Boulder 14 W, Co (8.6 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.