Cortez, CO Weather & Growing Conditions
Tonight
34°F
Mostly Clear
Mostly clear, with a low around 34. East southeast wind 5 to 10 mph.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 34°F | Mostly Clear | 5 to 10 mph ESE | 0% |
| Wednesday | 48°F | Sunny then Slight Chance Showers And Thunderstorms | 5 to 15 mph SSW | 13% |
| Wednesday Night | 31°F | Mostly Clear | 5 mph NNW | 11% |
| Thursday | 48°F | Sunny | 5 mph SSE | 0% |
| Thursday Night | 34°F | Partly Cloudy | 5 mph E | 0% |
| Friday | 50°F | Sunny | 5 mph WSW | 0% |
| Friday Night | 33°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 51°F | Sunny | 5 mph SW | 0% |
| Saturday Night | 35°F | Clear | 5 mph NNE | 0% |
| Sunday | 53°F | Sunny | 0 to 5 mph SSW | 0% |
| Sunday Night | 37°F | Mostly Clear | 0 to 5 mph NNE | 1% |
| Monday | 54°F | Mostly Sunny | 0 to 5 mph SSW | 3% |
| Monday Night | 38°F | Partly Cloudy | 0 to 5 mph NE | 3% |
| Tuesday | 54°F | Mostly Sunny | 5 mph WNW | 6% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Cortez, CO
Last spring frost
May 6
First fall frost
Oct 14
Growing season
158 days
Hardiness zone
7a
Explore more for Cortez, CO: full frost dates · planting calendar · Colorado frost dates
Climate data from the nearest NOAA station, Cortez 8 Se, Co (2 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.