Centennial, Colorado Weather
Monsoon storms drench the south. Day 15 of summer. Read this microseason across nine climate regions →
Centennial weather forecast — hour by hour, 7-day outlook, NOAA radar
- TodayJul 5Overcast——93°62°—
- MondayJul 6Overcast——96°65°+3°
- TuesdayJul 7Overcast46%—95°69°-1°
- WednesdayJul 8Light Drizzle60%—94°66°-1°
- ThursdayJul 9Light Drizzle47%—89°64°-5°
- FridayJul 10Overcast22%—95°65°+6°
- SaturdayJul 11Clear——94°67°-1°
AQI 52 (Moderate), driven by PM2.5. AQI down 50 over the last 6 hours — air quality is improving sharply. PM2.5 at 12.6 µg/m³, PM10 at 13.3 µg/m³ — typical background levels with no transport signature.
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 12.6 µg/m³, PM10 at 13.3 µg/m³ — typical background levels with no transport signature.
- PM2.5/PM10
- 0.95
- 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
- 11:18 PM
- Moonset
- 11:14 AM
- In sign
- ♓︎ Pisces
Monsoon storms drench the south
Centennial at a glance
- Today vs. normal: 5°F below the seasonal normal for this latitude
- Last frost: April 14 (climatological average for this latitude)
- Microseason: Jul 1–5
- Planting window: Harvest early potatoes. Begin drying onions on the surface.
15-Day Forecast — Centennial
- Sun94°62°4%
- Mon96°65°5%
- Tue95°69°46%
- Wed94°66°60%
- Thu89°64°47%
- Fri95°65°22%
- Sat94°67°5%
- Sun96°69°3%
- Mon105°69°7%
- Tue102°75°21%
- Wed102°71°26%
- Thu99°71°52%
- Fri98°67°52%
- Sat102°71°48%
- Sun94°72°61%
Forecast data from Open-Meteo (CC BY 4.0).
Live wind & temperature near Centennial
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 — Centennial
SPC includes Centennial 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 Centennial
- 80122
- 80121
- 80016
- 80015
- 80112
- 80111
- 80155
- 80161