Derby, CO Weather & Growing Conditions
Today
81°F
Patchy Smoke
Patchy smoke before 3pm, then patchy smoke and a slight chance of showers and thunderstorms. Mostly sunny. High near 81, with temperatures falling to around 79 in the afternoon. East northeast wind 6 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 20%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 81°F | Patchy Smoke | 6 to 10 mph ENE | 15% |
| Tonight | 58°F | Patchy Smoke | 3 to 10 mph NE | 11% |
| Wednesday | 88°F | Patchy Smoke then Sunny | 3 to 9 mph NNE | 0% |
| Wednesday Night | 62°F | Mostly Clear | 3 to 10 mph S | 3% |
| Thursday | 96°F | Sunny | 2 to 8 mph N | 0% |
| Thursday Night | 65°F | Clear | 5 to 8 mph SSE | 2% |
| Friday | 98°F | Sunny | 3 to 9 mph SSE | 0% |
| Friday Night | 69°F | Mostly Clear | 10 mph SSE | 1% |
| Saturday | 100°F | Sunny | 5 to 9 mph NW | 0% |
| Saturday Night | 70°F | Partly Cloudy | 6 to 9 mph WSW | 0% |
| Sunday | 100°F | Sunny | 3 to 9 mph NE | 6% |
| Sunday Night | 70°F | Partly Cloudy | 5 to 9 mph WNW | 3% |
| Monday | 99°F | Sunny | 5 to 10 mph NNW | 13% |
| Monday Night | 68°F | Partly Cloudy | 3 to 10 mph WNW | 14% |
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 Aug 4, 2026.