Harman US

Dacono, CO Weather & Growing Conditions

Tonight
54°F
Chance Showers And Thunderstorms then Mostly Cloudy
A chance of showers and thunderstorms before 8pm, then a slight chance of showers and thunderstorms between 8pm and 9pm. Mostly cloudy, with a low around 54. West southwest wind 2 to 7 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.

7-day forecast

WhenTempForecastWindPrecip
Tonight 54°F Chance Showers And Thunderstorms then Mostly Cloudy 2 to 7 mph WSW 32%
Saturday 75°F Partly Sunny then Chance Showers And Thunderstorms 2 to 8 mph W 70%
Saturday Night 51°F Showers And Thunderstorms Likely then Chance Showers And Thunderstorms 2 to 6 mph NW 56%
Sunday 71°F Showers And Thunderstorms Likely 2 to 7 mph ENE 55%
Sunday Night 48°F Chance Showers And Thunderstorms then Partly Cloudy 1 to 7 mph SE 33%
Monday 73°F Mostly Sunny 1 to 7 mph ENE 2%
Monday Night 50°F Slight Chance Showers And Thunderstorms then Partly Cloudy 2 to 7 mph NNE 16%
Tuesday 76°F Mostly Sunny 2 to 6 mph NNE 9%
Tuesday Night 53°F Slight Chance Showers And Thunderstorms then Partly Cloudy 6 mph SSW 21%
Wednesday 77°F Partly Sunny 6 mph NE 10%
Wednesday Night 53°F Slight Chance Rain Showers then Mostly Cloudy 5 mph WSW 17%
Thursday 78°F Mostly Sunny 2 to 6 mph N 10%
Thursday Night 54°F Chance Rain Showers then Mostly Cloudy 2 to 6 mph S 26%
Friday 79°F Mostly Sunny 2 to 7 mph ENE 13%

Forecast source: National Weather Service (api.weather.gov). Updated through the day.

Growing snapshot for Dacono, CO

Last spring frost
May 7
First fall frost
Oct 5
Growing season
151 days
Hardiness zone
5b

Explore more for Dacono, CO: full frost dates · planting calendar · Colorado frost dates

Climate data from the nearest NOAA station, Longmont 2 Ese, Co (9.4 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.