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Derby, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Derby, a community in Adams County, Colorado.

This Afternoon
85°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms before 3pm, then a chance of showers and thunderstorms. Mostly cloudy. High near 85, with temperatures falling to around 76 in the afternoon. North northwest wind around 6 mph. Chance of precipitation is 50%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Derby

WhenTempForecastWindPrecip
This Afternoon 85°F Chance Showers And Thunderstorms 6 mph NNW 46%
Tonight 56°F Chance Showers And Thunderstorms then Partly Cloudy 2 to 8 mph WSW 38%
Saturday 77°F Partly Sunny then Chance Showers And Thunderstorms 2 to 8 mph E 69%
Saturday Night 53°F Chance Showers And Thunderstorms 1 to 7 mph SSE 53%
Sunday 72°F Showers And Thunderstorms Likely 2 to 7 mph ENE 58%
Sunday Night 50°F Chance Showers And Thunderstorms then Partly Cloudy 1 to 7 mph ESE 34%
Monday 74°F Mostly Sunny 1 to 8 mph NE 2%
Monday Night 52°F Slight Chance Showers And Thunderstorms then Partly Cloudy 1 to 8 mph S 18%
Tuesday 78°F Mostly Sunny 1 to 6 mph NNE 11%
Tuesday Night 55°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 to 6 mph S 19%
Wednesday 78°F Partly Sunny 2 to 6 mph NE 13%
Wednesday Night 55°F Slight Chance Rain Showers then Mostly Cloudy 2 to 6 mph SSW 16%
Thursday 79°F Mostly Sunny 2 to 7 mph N 11%
Thursday Night 56°F Chance Rain Showers then Mostly Cloudy 2 to 7 mph SSW 29%

Forecast source: National Weather Service (api.weather.gov) for Derby (39.841, -104.916). Updated through the day.

Growing snapshot for Derby

Last spring frost
May 4
First fall frost
Oct 8
Growing season
156 days
Hardiness zone
6a

More local growing data for Derby: nearby ZIP 80024 weather · frost dates · planting calendar · Colorado frost dates

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Climate data from the nearest NOAA station, Denver-Stapleton, Co (6.2 mi from Derby). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 18, 2026.