Aspen, CO Weather & Growing Conditions
Today
66°F
Patchy Smoke
Patchy smoke before 5pm. Mostly sunny, with a high near 66. West wind 10 to 15 mph, with gusts as high as 25 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 66°F | Patchy Smoke | 10 to 15 mph W | 4% |
| Tonight | 42°F | Patchy Smoke | 5 to 15 mph WSW | 1% |
| Wednesday | 65°F | Sunny | 5 to 20 mph W | 0% |
| Wednesday Night | 41°F | Mostly Clear | 5 to 15 mph SSW | 0% |
| Thursday | 65°F | Sunny | 5 to 15 mph W | 0% |
| Thursday Night | 42°F | Clear | 0 to 15 mph ESE | 0% |
| Friday | 67°F | Sunny | 5 to 10 mph W | 1% |
| Friday Night | 44°F | Mostly Clear | 5 to 15 mph ESE | 0% |
| Saturday | 67°F | Sunny | 5 to 10 mph W | 2% |
| Saturday Night | 45°F | Partly Cloudy | 5 to 10 mph ESE | 1% |
| Sunday | 67°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph W | 12% |
| Sunday Night | 45°F | Partly Cloudy | 5 to 10 mph SE | 4% |
| Monday | 66°F | Mostly Sunny then Chance Showers And Thunderstorms | 5 to 10 mph WNW | 41% |
| Monday Night | 44°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph SSW | 37% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Aspen, CO
Last spring frost
Jun 2
First fall frost
Sep 23
Growing season
113 days
Hardiness zone
5a
Explore more for Aspen, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Aspen 1Sw, Co (9.3 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.