Hillrose, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillrose, a town in Morgan County, Colorado.
Tonight
52°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy. Low around 52, with temperatures rising to around 54 overnight. West southwest wind around 5 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Hillrose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Chance Showers And Thunderstorms | 5 mph WSW | 34% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 3 to 7 mph N | 55% |
| Sunday Night | 49°F | Chance Showers And Thunderstorms then Partly Cloudy | 2 to 7 mph NNW | 31% |
| Monday | 72°F | Sunny | 2 to 8 mph NE | 2% |
| Monday Night | 49°F | Partly Cloudy | 12 mph ESE | 10% |
| Tuesday | 77°F | Mostly Sunny | 13 to 17 mph SSE | 4% |
| Tuesday Night | 54°F | Partly Cloudy | 14 to 20 mph SSE | 13% |
| Wednesday | 81°F | Partly Sunny | 6 to 14 mph S | 3% |
| Wednesday Night | 54°F | Mostly Cloudy | 3 to 8 mph SSW | 8% |
| Thursday | 83°F | Mostly Sunny | 3 to 7 mph NNW | 2% |
| Thursday Night | 56°F | Partly Cloudy | 3 to 7 mph ESE | 7% |
| Friday | 82°F | Mostly Sunny | 3 to 12 mph SSE | 13% |
| Friday Night | 56°F | Chance Showers And Thunderstorms | 7 to 12 mph SSE | 25% |
| Saturday | 83°F | Slight Chance Rain Showers | 8 mph S | 17% |
Forecast source: National Weather Service (api.weather.gov) for Hillrose (40.324, -103.522). Updated through the day.
Growing snapshot for Hillrose
Last spring frost
May 6
First fall frost
Oct 8
Growing season
155 days
Hardiness zone
5b
More local growing data for Hillrose: nearby ZIP 80733 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Blue Sky
Brush
Fort Morgan
Jackson Lake
Log Lane Village
Morgan Heights
Saddle Ridge
Snyder
Trail Side
Weldona
Wiggins
Climate data from the nearest NOAA station, Akron Washington Co Ap, Co (18.9 mi from Hillrose). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.