Cortez, Colorado Weather
The monsoon settles in. Day 15 of summer. Read this microseason across nine climate regions →
Cortez weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——91°55°—
- MondayJul 6Overcast——91°60°0°
- TuesdayJul 7Light Drizzle——93°65°+2°
- WednesdayJul 8Overcast——94°66°+1°
- ThursdayJul 9Overcast——94°64°0°
- FridayJul 10Overcast——96°65°+2°
- SaturdayJul 11Overcast——99°67°+3°
AQI 41 (Good), driven by PM2.5. AQI down 23 over the last 6 hours — air quality is improving sharply. PM2.5 at 8.8 µg/m³ (AQI 49) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
OK No precautions needed for the general population; unusually sensitive individuals may consider limiting prolonged outdoor exertion.
What's driving it
PM × Wind × Precip
PM2.5 at 8.8 µg/m³ (AQI 49) with a 0.90 fine-to-coarse ratio and 6 mph wind — combustion smoke trapped in calm air, not road dust.
- PM2.5/PM10
- 0.90
- Wind
- light
- Recent rain
- 0h in last 6h
- Pattern
- stagnant smoke
Trends
Seven days of AQI and PM2.5.
Hourly air-quality data from the Copernicus Atmosphere Monitoring Service, charted across the past and next several days. Dashed lines mark the AQI breakpoints at 50 (Good → Moderate) and 100 (Moderate → Unhealthy for Sensitive Groups).
If the first of July be rainy weather, 'twill rain more or less for four weeks together.
- Moonrise
- 11:32 PM
- Moonset
- 11:30 AM
- In sign
- ♓︎ Pisces
The monsoon settles in
Cortez at a glance
- Today vs. normal: 15°F below the seasonal normal for this latitude
- Last frost: March 31 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 81321
15-Day Forecast — Cortez
- Sun91°55°0%
- Mon91°60°3%
- Tue93°65°4%
- Wed94°66°2%
- Thu94°64°3%
- Fri96°65°1%
- Sat99°67°6%
- Sun98°70°19%
- Mon98°68°16%
- Tue100°69°10%
- Wed102°67°17%
- Thu97°68°26%
- Fri97°67°31%
- Sat98°66°41%
- Sun94°67°42%
Forecast data from Open-Meteo (CC BY 4.0).
Right now in the garden
Peak growing season
As of July 5, the growing season is at its peak — frost is months away. Continue succession-planting beans and summer squash. Start fall brassicas (broccoli, cabbage, kale) from seed indoors for transplanting in late summer.
SPC Convective Outlook
Storm Prediction Center — Cortez
SPC includes Cortez in the general thunderstorm area today — no severe risk, but storms are possible.
- TODAYTSTMGeneral Thunderstorms
- TOMORROWTSTMGeneral Thunderstorms
- DAY 3TSTMGeneral Thunderstorms
Thunderstorms possible. Not severe, but capable of producing lightning and brief heavy rain.
Source: NOAA / NWS Storm Prediction Center categorical convective outlook. Outlooks are re-issued multiple times per day; this page reflects the most recent SPC polygons covering the city’s coordinates.
ZIP codes in Cortez
- 81321