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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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.