Harman US

Seibert, CO Weather & Growing Conditions

Overnight
56°F
Mostly Cloudy
Mostly cloudy. Low around 56, with temperatures rising to around 59 overnight. North wind around 35 mph.

7-day forecast

WhenTempForecastWindPrecip
Overnight 56°F Mostly Cloudy 35 mph N 6%
Tuesday 74°F Mostly Cloudy 15 to 35 mph NE 11%
Tuesday Night 53°F Mostly Cloudy 5 to 15 mph E 13%
Wednesday 80°F Mostly Sunny 5 to 15 mph E 3%
Wednesday Night 55°F Mostly Clear 5 to 15 mph SE 13%
Thursday 90°F Sunny 10 to 15 mph S 2%
Thursday Night 60°F Mostly Clear 5 to 15 mph S 2%
Friday 94°F Sunny 5 to 15 mph S 5%
Friday Night 63°F Clear 15 mph S 5%
Saturday 98°F Sunny 10 to 20 mph S 3%
Saturday Night 65°F Mostly Clear 15 to 20 mph S 2%
Sunday 99°F Sunny 15 mph S 0%
Sunday Night 66°F Mostly Clear 15 to 20 mph S 2%
Monday 97°F Sunny 15 mph S 1%

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

Growing snapshot for Seibert, CO

Last spring frost
May 4
First fall frost
Oct 11
Growing season
158 days
Hardiness zone
5b

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

Climate data from the nearest NOAA station, Seibert, Co (0.7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.