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Penrose, CO Weather & Growing Conditions

Local forecast, frost dates, hardiness zone and planting guidance for Penrose, a community in Fremont County, Colorado.

Tonight
54°F
Mostly Cloudy
Mostly cloudy, with a low around 54. West northwest wind around 10 mph.

7-day forecast for Penrose

WhenTempForecastWindPrecip
Tonight 54°F Mostly Cloudy 10 mph WNW 4%
Saturday 82°F Mostly Sunny then Slight Chance Showers And Thunderstorms 10 to 15 mph WSW 16%
Saturday Night 52°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 15 mph NW 19%
Sunday 77°F Sunny 5 to 15 mph SSW 9%
Sunday Night 52°F Chance Showers And Thunderstorms 0 to 15 mph ENE 48%
Monday 73°F Mostly Sunny 0 to 15 mph S 9%
Monday Night 52°F Chance Showers And Thunderstorms 5 to 15 mph ENE 49%
Tuesday 74°F Mostly Sunny then Slight Chance Showers And Thunderstorms 0 to 10 mph SSW 21%
Tuesday Night 53°F Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph NNE 40%
Wednesday 76°F Partly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SW 18%
Wednesday Night 54°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 5 to 10 mph NNE 23%
Thursday 76°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 10 mph SSW 19%
Thursday Night 54°F Chance Showers And Thunderstorms 5 to 10 mph NE 31%
Friday 76°F Mostly Sunny then Chance Showers And Thunderstorms 5 to 10 mph SSW 27%

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

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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 19, 2026.