Hillrose, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Hillrose, a town in Morgan County, Colorado.
Today
78°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms between 1pm and 2pm, then showers and thunderstorms likely. Mostly sunny. High near 78, with temperatures falling to around 73 in the afternoon. North wind 3 to 10 mph, with gusts as high as 16 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
7-day forecast for Hillrose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 78°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 3 to 10 mph N | 69% |
| Tonight | 52°F | Showers And Thunderstorms then Chance Showers And Thunderstorms | 3 to 10 mph NNE | 91% |
| Sunday | 70°F | Showers And Thunderstorms Likely | 3 to 7 mph ENE | 55% |
| Sunday Night | 47°F | Chance Showers And Thunderstorms | 2 to 7 mph SE | 48% |
| Monday | 71°F | Mostly Sunny | 2 to 9 mph SSE | 8% |
| Monday Night | 50°F | Partly Cloudy then Chance Showers And Thunderstorms | 12 mph SE | 33% |
| Tuesday | 74°F | Mostly Sunny | 12 to 18 mph SSE | 6% |
| Tuesday Night | 54°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 15 to 18 mph SE | 22% |
| Wednesday | 80°F | Partly Sunny | 7 to 14 mph SSE | 6% |
| Wednesday Night | 54°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 8 mph SSE | 19% |
| Thursday | 81°F | Mostly Sunny | 6 mph WSW | 4% |
| Thursday Night | 55°F | Partly Cloudy | 6 mph SSE | 6% |
| Friday | 80°F | Mostly Sunny | 5 to 13 mph SSE | 12% |
| Friday Night | 55°F | Slight Chance Showers And Thunderstorms | 9 to 13 mph SSE | 18% |
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 19, 2026.