Cortez, CO Weather & Growing Conditions
Local forecast, frost dates, hardiness zone and planting guidance for Cortez, a city in Montezuma County, Colorado.
Overnight
60°F
Mostly Clear
Mostly clear, with a low around 60. Northeast wind around 0 mph.
7-day forecast for Cortez
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Overnight | 60°F | Mostly Clear | 0 mph | 0% |
| Tuesday | 98°F | Patchy Smoke | 0 to 15 mph E | 0% |
| Tuesday Night | 60°F | Mostly Clear then Patchy Smoke | 5 to 15 mph NNE | 0% |
| Wednesday | 98°F | Patchy Smoke | 0 to 15 mph N | 0% |
| Wednesday Night | 57°F | Patchy Smoke then Mostly Clear | 5 to 15 mph N | 0% |
| Thursday | 99°F | Sunny | 0 to 15 mph NNW | 1% |
| Thursday Night | 58°F | Mostly Clear | 5 to 15 mph NNE | 0% |
| Friday | 99°F | Sunny | 0 to 10 mph S | 1% |
| Friday Night | 60°F | Mostly Clear | 5 to 10 mph N | 0% |
| Saturday | 99°F | Sunny | 5 to 10 mph S | 0% |
| Saturday Night | 60°F | Slight Chance Showers And Thunderstorms then Mostly Clear | 5 to 10 mph NE | 11% |
| Sunday | 98°F | Sunny | 0 to 10 mph SSW | 4% |
| Sunday Night | 60°F | Slight Chance Showers And Thunderstorms then Partly Cloudy | 0 to 10 mph NNE | 15% |
| Monday | 96°F | Mostly Sunny then Slight Chance Showers And Thunderstorms | 0 to 15 mph SW | 15% |
Forecast source: National Weather Service (api.weather.gov) for Cortez (37.350, -108.577). Updated through the day.
Growing snapshot for Cortez
Last spring frost
May 6
First fall frost
Oct 14
Growing season
158 days
Hardiness zone
7a
More local growing data for Cortez: nearby ZIP 81330 weather · frost dates · planting calendar · Colorado frost dates
Nearby towns & communities
Climate data from the nearest NOAA station, Cortez 8 Se, Co (2 mi from Cortez). Frost dates are 1991–2020 averages, not a forecast. Page updated Aug 4, 2026.