Harman US

Hartsel, CO Weather & Growing Conditions

Tonight
43°F
Partly Cloudy
Partly cloudy, with a low around 43. Southwest wind around 6 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 43°F Partly Cloudy 6 mph SW 2%
Saturday 67°F Mostly Sunny then Chance Showers And Thunderstorms 3 to 13 mph WSW 39%
Saturday Night 37°F Mostly Clear 2 to 13 mph WSW 8%
Sunday 67°F Sunny 2 to 15 mph WSW 3%
Sunday Night 38°F Mostly Clear 2 to 12 mph WNW 4%
Monday 68°F Mostly Sunny 1 to 9 mph WSW 0%
Monday Night 42°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 to 9 mph S 17%
Tuesday 67°F Partly Sunny then Chance Showers And Thunderstorms 2 to 12 mph WSW 35%
Tuesday Night 42°F Chance Showers And Thunderstorms then Mostly Cloudy 3 to 10 mph SSW 44%
Wednesday 66°F Partly Sunny then Chance Showers And Thunderstorms 3 to 9 mph SW 26%
Wednesday Night 42°F Slight Chance Rain Showers then Mostly Cloudy 2 to 8 mph WSW 24%
Thursday 65°F Partly Sunny then Chance Showers And Thunderstorms 2 to 12 mph SSW 28%
Thursday Night 43°F Chance Rain Showers 1 to 10 mph S 41%
Friday 66°F Partly Sunny then Chance Showers And Thunderstorms 1 to 12 mph SSW 30%

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

Growing snapshot for Hartsel, CO

Growing season
57 days
Hardiness zone
4a

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

Climate data from the nearest NOAA station, Antero Rsvr, Co (7 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.