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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.

Tonight
50°F
Slight Chance Showers And Thunderstorms then Partly Cloudy
A slight chance of showers and thunderstorms before 9pm. Partly cloudy, with a low around 50. West wind 5 to 10 mph. New rainfall amounts less than a tenth of an inch possible.

7-day forecast for Cotopaxi

WhenTempForecastWindPrecip
Tonight 50°F Slight Chance Showers And Thunderstorms then Partly Cloudy 5 to 10 mph W 11%
Saturday 73°F Mostly Sunny then Slight Chance Showers And Thunderstorms 5 to 15 mph W 23%
Saturday Night 47°F Partly Cloudy 5 to 15 mph W 7%
Sunday 73°F Sunny 5 to 15 mph WSW 1%
Sunday Night 49°F Partly Cloudy 0 to 10 mph N 5%
Monday 73°F Mostly Sunny 0 to 15 mph SW 1%
Monday Night 51°F Partly Cloudy 5 to 10 mph E 12%
Tuesday 73°F Mostly Sunny then Chance Showers And Thunderstorms 0 to 10 mph SW 30%
Tuesday Night 51°F Chance Showers And Thunderstorms 5 mph SSW 44%
Wednesday 72°F Slight Chance Rain Showers then Chance Showers And Thunderstorms 5 to 10 mph SW 37%
Wednesday Night 51°F Chance Showers And Thunderstorms 5 mph SW 28%
Thursday 71°F Partly Sunny then Chance Showers And Thunderstorms 5 to 10 mph SSW 30%
Thursday Night 51°F Chance Showers And Thunderstorms 0 to 10 mph N 35%
Friday 71°F Chance Showers And Thunderstorms 0 to 10 mph SW 32%

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.