Penrose, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Penrose, a community in Fremont County, Colorado.
Tonight
52°F
Chance Showers And Thunderstorms then Partly Cloudy
A chance of showers and thunderstorms before 7pm, then a slight chance of showers and thunderstorms between 7pm and 10pm. Partly cloudy, with a low around 52. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast for Penrose
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 52°F | Chance Showers And Thunderstorms then Partly Cloudy | 5 to 10 mph NW | 25% |
| Sunday | 78°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph SSW | 19% |
| Sunday Night | 52°F | Chance Showers And Thunderstorms then Showers And Thunderstorms Likely | 0 to 10 mph E | 63% |
| Monday | 73°F | Slight Chance Rain Showers then Mostly Sunny | 0 to 15 mph SSE | 15% |
| Monday Night | 51°F | Chance Showers And Thunderstorms | 0 to 15 mph ESE | 47% |
| Tuesday | 74°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 10 mph SE | 19% |
| Tuesday Night | 54°F | Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph NNE | 25% |
| Wednesday | 77°F | Partly Sunny | 5 to 10 mph WSW | 9% |
| Wednesday Night | 55°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 5 to 10 mph NNE | 10% |
| Thursday | 78°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 5 to 10 mph NNE | 13% |
| Thursday Night | 55°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 35% |
| Friday | 75°F | Chance Showers And Thunderstorms | 5 to 10 mph NNE | 39% |
| Friday Night | 54°F | Chance Showers And Thunderstorms | 10 mph NNE | 38% |
| Saturday | 80°F | Sunny then Slight Chance Showers And Thunderstorms | 10 to 15 mph WSW | 21% |
Forecast source: National Weather Service (api.weather.gov) for Penrose (38.421, -105.000). Updated through the day.
Growing snapshot for Penrose
Last spring frost
May 4
First fall frost
Oct 7
Growing season
153 days
Hardiness zone
6a
More local growing data for Penrose: nearby ZIP 81240 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Brookside
Cañon City
Coal Creek
Coaldale
Cotopaxi
Florence
Howard
Lincoln Park
Park Center
Rockvale
Williamsburg
Climate data from the nearest NOAA station, Canon City, Co (10.7 mi from Penrose). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 20, 2026.