Harman US

Iliff, CO Weather & Growing Conditions

This Afternoon
54°F
Sunny
Sunny. High near 54, with temperatures falling to around 49 in the afternoon. North northwest wind around 8 mph, with gusts as high as 16 mph.

7-day forecast

WhenTempForecastWindPrecip
This Afternoon 54°F Sunny 8 mph NNW 2%
Tonight 27°F Mostly Clear 6 mph WNW 2%
Wednesday 58°F Sunny 3 to 8 mph NW 1%
Wednesday Night 30°F Mostly Cloudy 6 mph NNW 0%
Thursday 58°F Mostly Sunny 1 to 5 mph N 0%
Thursday Night 28°F Mostly Clear 0 to 3 mph W 0%
Friday 59°F Mostly Sunny 5 mph NW 0%
Friday Night 30°F Mostly Clear 2 to 6 mph NW 2%
Saturday 61°F Sunny 1 to 10 mph WNW 2%
Saturday Night 29°F Clear 0 to 6 mph W 1%
Sunday 66°F Sunny 3 to 8 mph SW 0%
Sunday Night 35°F Mostly Clear 3 to 7 mph WSW 0%
Monday 65°F Sunny 2 to 7 mph NNW 0%
Monday Night 34°F Partly Cloudy 5 mph SSE 0%

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

Growing snapshot for Iliff, CO

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

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

Climate data from the nearest NOAA station, Crook, Co (12.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.