Derby, CO Weather & Growing Conditions
This Afternoon
57°F
Sunny
Sunny. High near 57, with temperatures falling to around 53 in the afternoon. Northeast wind around 5 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 57°F | Sunny | 5 mph NE | 0% |
| Tonight | 35°F | Mostly Clear | 3 mph SSE | 0% |
| Wednesday | 57°F | Mostly Sunny | 2 to 7 mph N | 9% |
| Wednesday Night | 36°F | Mostly Cloudy | 1 to 5 mph WNW | 9% |
| Thursday | 58°F | Sunny | 5 mph S | 0% |
| Thursday Night | 36°F | Partly Cloudy | 3 mph SSW | 1% |
| Friday | 57°F | Mostly Sunny | 5 mph NNW | 6% |
| Friday Night | 35°F | Mostly Clear | 3 mph SSW | 6% |
| Saturday | 60°F | Sunny | 5 mph SE | 1% |
| Saturday Night | 35°F | Mostly Clear | 5 mph S | 0% |
| Sunday | 68°F | Sunny | 2 to 7 mph SSE | 0% |
| Sunday Night | 40°F | Mostly Clear | 6 mph WSW | 0% |
| Monday | 66°F | Sunny | 6 mph SE | 0% |
| Monday Night | 40°F | Partly Cloudy | 5 mph SSW | 0% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Derby, CO
Last spring frost
May 4
First fall frost
Oct 8
Growing season
156 days
Hardiness zone
6a
Explore more for Derby, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Denver-Stapleton, Co (6.2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.