Aspen, CO Weather & Growing Conditions
Overnight
20°F
Partly Cloudy
Partly cloudy, with a low around 20. South southwest wind around 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 20°F | Partly Cloudy | 10 mph SSW | 0% |
| Wednesday | 33°F | Chance Snow Showers | 5 to 10 mph SW | 94% |
| Wednesday Night | 17°F | Snow Showers | 5 to 10 mph WNW | 93% |
| Thursday | 33°F | Sunny | 5 mph SSW | 1% |
| Thursday Night | 21°F | Mostly Cloudy | 5 to 10 mph SSW | 2% |
| Friday | 30°F | Slight Chance Snow Showers | 5 mph W | 16% |
| Friday Night | 15°F | Mostly Clear | 5 to 10 mph NW | 6% |
| Saturday | 34°F | Sunny | 0 to 10 mph NW | 1% |
| Saturday Night | 21°F | Mostly Clear | 0 to 5 mph SSE | 0% |
| Sunday | 38°F | Sunny | 0 to 5 mph W | 0% |
| Sunday Night | 24°F | Mostly Clear | 0 to 5 mph SW | 0% |
| Monday | 40°F | Sunny | 0 mph | 0% |
| Monday Night | 25°F | Partly Cloudy | 0 to 5 mph SSW | 1% |
| Tuesday | 37°F | Mostly Sunny | 0 to 5 mph W | 4% |
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 Nov 4, 2026.