Today | Weather | Tuesday, June 9, 2026

Active Weather Warnings

Weather in Centennial, Colorado

05:48 PM

Now

88° F

Feels Like 84°

Precipitation 45 %

Wind 16 mph

UV Index (0 - 11+) 2

Humidity 13 %

Today

Day 90°

Night 57°

Precipitation 49 %

Wind 13 mph

UV Index (0 - 11+) 6

Centennial Weather Forecast Updated

20 minutes ago

Last updated on June 09, 2026 at 5:27 PM

Weather Forecast History

Last Year's Weather on This Day (June 9, 2025)

Day

79°

Night

55°

Wind

4 mph

UV Index

Precipitation

25 %

Air Quality in Centennial

NOW

44 AQI

Good air quality Dominant pollutant: O₃

Pollutant Concentrations:

PM_2.5 1.5 µg/m³

PM₁₀ 2.62 µg/m³

O₃ 0.048 ppm

NO₂ 0.1 ppb

SO₂ 0.2 ppb

CO 0.07 ppm

NH₃ 0.54 µg/m³

NO 0.04 µg/m³

PM_2.5 – Fine particles <2.5μm

PM₁₀ – Inhalable particles <10μm

O₃ – Ozone

NO₂ – Nitrogen dioxide

SO₂ – Sulfur dioxide

CO – Carbon monoxide

NH₃ – Ammonia

NO – Nitric oxide

Health Recommendations:

Air quality is considered satisfactory, and air pollution poses little or no risk.

Show raw pollutant concentrations (µg/m³)

PM_2.5 – 1.5 µg/m³

PM₁₀ – 2.62 µg/m³

O₃ – 93.8 µg/m³

NO₂ – 0.24 µg/m³

SO₂ – 0.42 µg/m³

CO – 76.03 µg/m³

NH₃ – 0.54 µg/m³

NO – 0.04 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Centennial

Severe Future Possible

Fire Weather Watch

Fire Weather Watch issued June 8 at 2:32AM MDT until June 9 at 9:00PM MDT by NWS Denver CO

Jun 9, 12:00 PM → Jun 9, 9:00 PM

* AFFECTED AREA...Fire Weather Zones 238, 239, 240, 241, 242,
243, 244, 245, 246, 247, 248, 249, 250 and 251.

* TIMING...From Tuesday afternoon through Tuesday evening.

* WINDS...Southwest 20 to 30 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 8 percent.

IMPACTS: Conditions will be favorable for rapid fire spread.
Avoid outdoor burning and any activity that may produce a
spark and start a wildfire.

+ Read More

A Fire Weather Watch means that critical fire weather conditions are forecast to occur. Listen for later forecasts and possible Red Flag Warnings.

Updated: Jun 8, 12:35 PM Source: NWS Alert

Severe Expected Likely

Red Flag Warning

Red Flag Warning issued June 9 at 12:57PM MDT until June 9 at 9:00PM MDT by NWS Denver CO

Jun 9, 12:57 PM → Jun 9, 9:00 PM

The National Weather Service in Denver has issued a Red Flag
Warning for wind and low relative humidity, which is in effect
from noon to 8 PM MDT Wednesday. The Fire Weather Watch is no
longer in effect.

* AFFECTED AREA...Fire Weather Zones 240, 241, 242, 243, 244,
245, 248, 250 and 251.

* TIMING...For the first Red Flag Warning, until 9 PM MDT this
evening. For the second Red Flag Warning, from noon to 8 PM
MDT Wednesday.

* WINDS...West 15 to 25 mph with gusts up to 40 mph.

* RELATIVE HUMIDITY...As low as 11 percent.

IMPACTS: Conditions will be favorable for rapid fire spread.
Avoid outdoor burning and any activity that may produce a
spark and start a wildfire.