Aspen, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Aspen, a city in Pitkin County, Colorado.
Tonight
26°F
Partly Cloudy
Partly cloudy, with a low around 26. South southeast wind around 5 mph.
7-day forecast for Aspen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 26°F | Partly Cloudy | 5 mph SSE | 0% |
| Wednesday | 54°F | Chance Rain And Snow Showers | 5 to 10 mph WNW | 92% |
| Wednesday Night | 26°F | Rain And Snow Showers | 0 to 5 mph SW | 92% |
| Thursday | 53°F | Sunny | 0 to 5 mph WSW | 1% |
| Thursday Night | 26°F | Partly Cloudy | 0 to 5 mph S | 4% |
| Friday | 51°F | Mostly Sunny then Slight Chance Snow Showers | 0 to 5 mph WSW | 18% |
| Friday Night | 25°F | Slight Chance Snow Showers then Mostly Clear | 0 to 5 mph S | 18% |
| Saturday | 55°F | Sunny | 0 to 5 mph W | 3% |
| Saturday Night | 27°F | Clear | 0 to 5 mph S | 1% |
| Sunday | 61°F | Sunny | 0 to 5 mph WSW | 0% |
| Sunday Night | 30°F | Mostly Clear | 0 to 5 mph S | 0% |
| Monday | 62°F | Mostly Sunny | 0 to 5 mph WSW | 2% |
| Monday Night | 32°F | Partly Cloudy | 0 to 5 mph S | 3% |
| Tuesday | 60°F | Mostly Sunny | 0 to 5 mph WSW | 9% |
Forecast source: National Weather Service (api.weather.gov) for Aspen (39.195, -106.837). Updated through the day.
Growing snapshot for Aspen
Last spring frost
May 31
First fall frost
Sep 23
Growing season
114 days
Hardiness zone
5b
More local growing data for Aspen: nearby ZIP 81656 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Aspen Pitkin Co Ap, Co (5.8 mi from Aspen). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.