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Cotopaxi, CO Weather & Growing Conditions

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

Today
76°F
Mostly Sunny then Slight Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms after 1pm. Mostly sunny, with a high near 76. West southwest wind 5 to 15 mph. Chance of precipitation is 20%.

7-day forecast for Cotopaxi

WhenTempForecastWindPrecip
Today 76°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 15 mph WSW 16%
Tonight 45°F Mostly Clear 5 to 10 mph WNW 7%
Sunday 73°F Sunny 5 to 15 mph W 0%
Sunday Night 48°F Partly Cloudy 0 to 10 mph NW 3%
Monday 73°F Sunny 0 to 15 mph SW 1%
Monday Night 51°F Partly Cloudy then Slight Chance Rain Showers 0 to 15 mph NE 19%
Tuesday 73°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 10 mph SW 30%
Tuesday Night 50°F Chance Showers And Thunderstorms 5 mph SW 51%
Wednesday 71°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 5 to 10 mph SW 26%
Wednesday Night 50°F Slight Chance Showers And Thunderstorms then Mostly Cloudy 5 mph SW 18%
Thursday 71°F Mostly Sunny then Chance Showers And Thunderstorms 5 mph SSW 25%
Thursday Night 51°F Chance Showers And Thunderstorms 0 to 10 mph SW 38%
Friday 71°F Chance Rain Showers 0 to 5 mph SW 47%
Friday Night 51°F Chance Showers And Thunderstorms 5 mph SW 43%

Forecast source: National Weather Service (api.weather.gov) for Cotopaxi (38.373, -105.686). Updated through the day.

Growing snapshot for Cotopaxi

Last spring frost
Jun 11
First fall frost
Sep 9
Growing season
89 days
Hardiness zone
5b

More local growing data for Cotopaxi: nearby ZIP 81223 weather · frost dates · planting calendar · Colorado frost dates

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Climate data from the nearest NOAA station, Westcliffe, Co (18 mi from Cotopaxi). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.