Cortez, CO Weather & Growing Conditions
Tonight
51°F
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
A slight chance of showers and thunderstorms before midnight, then a chance of showers and thunderstorms between midnight and 3am, then a slight chance of showers and thunderstorms between 3am and 5am. Partly cloudy, with a low around 51. East southeast wind around 10 mph, with gusts as high as 25 mph. Chance of precipitation is 50%.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Tonight | 51°F | Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms | 10 mph ESE | 47% |
| Saturday | 70°F | Sunny | 5 to 10 mph S | 7% |
| Saturday Night | 49°F | Mostly Clear | 0 to 5 mph NNW | 1% |
| Sunday | 69°F | Sunny | 5 to 10 mph NNW | 0% |
| Sunday Night | 48°F | Partly Cloudy | 5 mph N | 0% |
| Monday | 70°F | Mostly Sunny | 5 mph SE | 0% |
| Monday Night | 51°F | Partly Cloudy | 5 to 15 mph ESE | 8% |
| Tuesday | 68°F | Showers And Thunderstorms Likely | 10 to 15 mph SE | 55% |
| Tuesday Night | 51°F | Showers And Thunderstorms Likely | 10 to 20 mph ESE | 64% |
| Wednesday | 66°F | Chance Showers And Thunderstorms | 5 to 15 mph SE | 45% |
| Wednesday Night | 50°F | Mostly Cloudy | 5 mph ESE | 13% |
| Thursday | 66°F | Slight Chance Rain Showers then Chance Showers And Thunderstorms | 5 mph SE | 32% |
| Thursday Night | 51°F | Chance Showers And Thunderstorms | 5 to 10 mph SE | 47% |
| Friday | 65°F | Showers And Thunderstorms Likely | 10 mph SE | 56% |
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 Sep 19, 2026.