Dacono, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Dacono, a city in Weld County, Colorado.
This Afternoon
84°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. High near 84, with temperatures falling to around 74 in the afternoon. South wind around 6 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Dacono
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| This Afternoon | 84°F | Chance Showers And Thunderstorms | 6 mph S | 43% |
| Tonight | 54°F | Chance Showers And Thunderstorms then Mostly Cloudy | 2 to 7 mph SW | 34% |
| Saturday | 75°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph NE | 71% |
| Saturday Night | 51°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 6 mph W | 57% |
| Sunday | 71°F | Showers And Thunderstorms Likely | 2 to 6 mph E | 56% |
| Sunday Night | 48°F | Chance Showers And Thunderstorms then Partly Cloudy | 1 to 6 mph ESE | 33% |
| Monday | 73°F | Mostly Sunny | 1 to 7 mph NE | 2% |
| Monday Night | 50°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph NE | 17% |
| Tuesday | 75°F | Mostly Sunny | 2 to 6 mph NNE | 9% |
| Tuesday Night | 52°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 6 mph SSW | 22% |
| Wednesday | 77°F | Partly Sunny | 6 mph NE | 9% |
| Wednesday Night | 52°F | Slight Chance Rain Showers then Mostly Cloudy | 5 mph SW | 17% |
| Thursday | 77°F | Mostly Sunny | 2 to 6 mph N | 10% |
| Thursday Night | 53°F | Chance Rain Showers then Mostly Cloudy | 2 to 6 mph S | 25% |
Forecast source: National Weather Service (api.weather.gov) for Dacono (40.064, -104.947). Updated through the day.
Growing snapshot for Dacono
Last spring frost
May 7
First fall frost
Oct 5
Growing season
151 days
Hardiness zone
5b
More local growing data for Dacono: nearby ZIP 80514 weather · frost dates · planting calendar · Colorado frost dates
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Climate data from the nearest NOAA station, Longmont 2 Ese, Co (9.4 mi from Dacono). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.