McCoy, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for McCoy, a community in Routt County, Colorado.
Tonight
43°F
Chance Showers And Thunderstorms
A chance of showers and thunderstorms. Mostly cloudy, with a low around 43. East northeast wind around 5 mph. Chance of precipitation is 30%.
7-day forecast for McCoy
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 43°F | Chance Showers And Thunderstorms | 5 mph ENE | 31% |
| Saturday | 74°F | Chance Showers And Thunderstorms | 5 to 15 mph SW | 49% |
| Saturday Night | 41°F | Slight Chance Showers And Thunderstorms | 0 to 10 mph NW | 21% |
| Sunday | 71°F | Slight Chance Showers And Thunderstorms then Mostly Sunny | 0 to 10 mph W | 14% |
| Sunday Night | 38°F | Mostly Clear | 0 to 10 mph NE | 0% |
| Monday | 74°F | Sunny | 0 to 5 mph S | 0% |
| Monday Night | 40°F | Mostly Clear | 0 to 5 mph NE | 0% |
| Tuesday | 76°F | Mostly Sunny | 0 to 5 mph SSE | 7% |
| Tuesday Night | 42°F | Slight Chance Showers And Thunderstorms | 0 to 5 mph SSE | 21% |
| Wednesday | 74°F | Partly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 16% |
| Wednesday Night | 41°F | Mostly Cloudy | 0 to 5 mph NNE | 5% |
| Thursday | 76°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 13% |
| Thursday Night | 43°F | Slight Chance Showers And Thunderstorms then Mostly Cloudy | 0 to 5 mph ENE | 14% |
| Friday | 76°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 5 mph SSW | 19% |
Forecast source: National Weather Service (api.weather.gov) for McCoy (39.914, -106.726). Updated through the day.
Growing snapshot for McCoy
Last spring frost
Jun 14
First fall frost
Sep 11
Growing season
89 days
Hardiness zone
5b
More local growing data for McCoy: nearby ZIP 80463 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Yampa, Co (14.5 mi from McCoy). Frost dates are 1991–2020 averages, not a forecast. Page updated Sep 19, 2026.