Harman US

Collbran, CO Weather & Growing Conditions

Tonight
30°F
Mostly Cloudy
Mostly cloudy, with a low around 30. South southwest wind 0 to 5 mph.

7-day forecast

WhenTempForecastWindPrecip
Tonight 30°F Mostly Cloudy 0 to 5 mph SSW 0%
Wednesday 41°F Snow Showers Likely 5 mph SW 80%
Wednesday Night 30°F Snow Showers Likely 0 to 5 mph ESE 70%
Thursday 41°F Mostly Sunny 0 to 5 mph SSW 0%
Thursday Night 31°F Mostly Cloudy 0 to 5 mph SSW 11%
Friday 40°F Mostly Sunny 0 mph 14%
Friday Night 27°F Mostly Clear 0 to 5 mph NNE 1%
Saturday 44°F Sunny 0 to 5 mph NNW 0%
Saturday Night 31°F Clear 0 mph 0%
Sunday 48°F Sunny 0 mph 0%
Sunday Night 34°F Mostly Clear 0 mph 0%
Monday 48°F Mostly Sunny 0 mph 1%
Monday Night 36°F Mostly Cloudy 0 mph 3%
Tuesday 46°F Mostly Sunny 0 mph 8%

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

Growing snapshot for Collbran, CO

Growing season
79 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Bonham Rsvr, Co (5.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.