Cotopaxi, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Cotopaxi weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 4Overcast——91°59°—
- SundayJul 5Overcast——91°61°0°
- MondayJul 6Light Drizzle10%—94°61°+3°
- TuesdayJul 7Light Drizzle79%0.02″91°61°-3°
- WednesdayJul 8Overcast41%—95°58°+4°
- ThursdayJul 9Overcast42%—96°59°+1°
- FridayJul 10Overcast24%—91°58°-5°
AQI 144 (Unhealthy for Sensitive Groups), driven by Ozone. AQI up 65 in the last 6 hours — air quality is degrading. Ozone at AQI 128 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 22 around 1 PM.
CAUTION Sensitive groups (children, elderly, respiratory conditions) should limit prolonged outdoor exertion.
What's driving it
Ozone × UV × Sky
Ozone at AQI 128 now. With UV 0.0 peaking around 1 PM under partly cloudy skies, surface ozone likely climbs to AQI 22 around 1 PM.
- Present
- AQI 128
- UV peak
- 0.0 at 1 PM
- Sky at peak
- partly cloudy
- Projected peak
- AQI 22
PM × Wind × Precip
PM2.5 at 36.0 µg/m³, PM10 at 38.9 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.93
- Wind
- breezy
- Recent rain
- 0h in last 6h
- Pattern
- background
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
- 11:21 PM
- Moonset
- 11:18 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Cotopaxi at a glance
- Today vs. normal: 74°F — typical for the season
- Last frost: April 6 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
ZIP code: 81223
16-Day Forecast — Cotopaxi
- Sat91°59°5%
- Sun91°61°6%
- Mon94°61°10%
- Tue91°61°79%
- Wed95°58°41%
- Thu96°59°42%
- Fri91°58°24%
- Sat91°56°7%
- Sun94°57°4%
- Mon99°58°8%
- Tue99°60°20%
- Wed105°62°42%
- Thu101°67°49%
- Fri100°62°66%
- Sat98°64°68%
- Sun92°63°65%
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 — Cotopaxi
SPC includes Cotopaxi 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 Cotopaxi
- 81223