Aspen, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Aspen, a city in Pitkin County, Colorado.
This Afternoon
73°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a high near 73. South southwest wind around 5 mph. Chance of precipitation is 40%.
7-day forecast for Aspen
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 73°F | Chance Showers And Thunderstorms | 5 mph SSW | 39% |
| Tonight | 44°F | Slight Chance Showers And Thunderstorms | 5 mph SSE | 24% |
| Saturday | 72°F | Chance Showers And Thunderstorms | 5 to 10 mph SW | 31% |
| Saturday Night | 40°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 5 mph SSW | 17% |
| Sunday | 70°F | Mostly Sunny | 0 to 10 mph WSW | 6% |
| Sunday Night | 38°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 73°F | Mostly Sunny | 0 to 5 mph SW | 0% |
| Monday Night | 42°F | Partly Cloudy | 5 mph SSW | 0% |
| Tuesday | 73°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 mph SW | 48% |
| Tuesday Night | 43°F | Chance Showers And Thunderstorms | 0 to 5 mph S | 30% |
| Wednesday | 72°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 28% |
| Wednesday Night | 42°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph SSW | 13% |
| Thursday | 74°F | Partly Sunny then Chance Showers And Thunderstorms | 0 to 5 mph NNW | 29% |
| Thursday Night | 44°F | Chance Showers And Thunderstorms | 0 to 5 mph SSW | 25% |
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.