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
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| 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
Nearby towns & communities
Brookside
CaƱon City
Coal Creek
Coaldale
Florence
Howard
Lincoln Park
Park Center
Penrose
Rockvale
Williamsburg
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.