Milliken, CO Weather & Growing Conditions
Tonight
54°F
Partly Cloudy
Partly cloudy, with a low around 54. Northwest wind around 5 mph. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 54°F | Partly Cloudy | 5 mph NW | 7% |
| Saturday | 76°F | Partly Sunny then Chance Showers And Thunderstorms | 2 to 8 mph SSE | 73% |
| Saturday Night | 51°F | Showers And Thunderstorms Likely then Chance Showers And Thunderstorms | 2 to 7 mph NW | 56% |
| Sunday | 71°F | Chance Rain Showers | 6 mph NE | 54% |
| Sunday Night | 47°F | Chance Rain Showers then Partly Cloudy | 1 to 6 mph ENE | 27% |
| Monday | 74°F | Mostly Sunny | 1 to 7 mph SE | 2% |
| Monday Night | 49°F | Slight Chance Rain Showers then Partly Cloudy | 3 to 9 mph ENE | 17% |
| Tuesday | 77°F | Mostly Sunny | 6 mph NE | 8% |
| Tuesday Night | 52°F | Chance Showers And Thunderstorms then Mostly Cloudy | 3 to 7 mph E | 30% |
| Wednesday | 78°F | Mostly Sunny | 6 mph NE | 7% |
| Wednesday Night | 52°F | Mostly Cloudy | 6 mph W | 14% |
| Thursday | 79°F | Mostly Sunny | 2 to 8 mph NE | 8% |
| Thursday Night | 53°F | Slight Chance Rain Showers then Mostly Cloudy | 2 to 8 mph SSE | 17% |
| Friday | 80°F | Mostly Sunny | 2 to 8 mph E | 12% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Milliken, CO
Last spring frost
May 2
First fall frost
Oct 8
Growing season
159 days
Hardiness zone
5b
Explore more for Milliken, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Greeley Unc, Co (9.1 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.