Aspen, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Aspen, a city in Pitkin County, Colorado.
Today
71°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before noon, then a chance of showers and thunderstorms. Partly sunny, with a high near 71. West southwest wind around 5 mph, with gusts as high as 20 mph. Chance of precipitation is 40%.
7-day forecast for Aspen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 71°F | Chance Showers And Thunderstorms | 5 mph WSW | 39% |
| Tonight | 41°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 mph S | 22% |
| Sunday | 70°F | Sunny | 5 to 10 mph W | 5% |
| Sunday Night | 38°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 73°F | Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 42°F | Partly Cloudy | 5 mph SSW | 1% |
| Tuesday | 73°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SSW | 45% |
| Tuesday Night | 43°F | Chance Showers And Thunderstorms | 0 to 10 mph SSW | 34% |
| Wednesday | 71°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 0 to 5 mph SW | 37% |
| Wednesday Night | 42°F | Slight Chance Rain Showers then Partly Cloudy | 0 to 5 mph SW | 10% |
| Thursday | 74°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 19% |
| Thursday Night | 45°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 22% |
| Friday | 72°F | Chance Rain Showers | 0 to 5 mph SSW | 51% |
| Friday Night | 44°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 35% |
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 Sep 19, 2026.