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Today | Weather | Tuesday, November 11, 2025
Active Weather Warnings

Weather in Cedar Park, Texas

05:32 AM
Now
Night
43° F
Feels Like 39°
Precipitation 0 %
Wind 6 mph
Humidity 50 %
Today
Sunny Weather
Day 73°
Night 55°
Precipitation 0 %
Wind 10 mph
UV Index (0 - 11+) 4

Cedar Park Weather Forecast Updated

5 minutes ago
Last updated on

Air Quality in Cedar Park

NOW
24 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.16 µg/m³
PM10 4.78 µg/m³
O3 0.026 ppm
NO2 3.1 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 1.61 µg/m³
NO 0 µg/m³
PM2.5 – 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)
PM2.5 – 3.16 µg/m³
PM10 – 4.78 µg/m³
O3 – 50.76 µg/m³
NO2 – 5.84 µg/m³
SO2 – 0.68 µg/m³
CO – 147.11 µg/m³
NH3 – 1.61 µg/m³
NO – 0 µg/m³
View Hourly Air Quality Forecast

Weather Alerts and Warnings for Cedar Park

Severe Expected Likely

Red Flag Warning

Red Flag Warning issued November 10 at 11:04PM CST until November 11 at 6:00PM CST by NWS Austin/San Antonio TX
Nov 11, 9:00 AM → Nov 11, 6:00 PM
...CRITICAL FIRE WEATHER CONDITIONS EXPECTED TUESDAY...

.The return of moderate to breezy southerly flow with the
continuation of a dry airmass over the area will combine to
result in critical fire weather conditions during Tuesday across
all of South Central Texas.

* AFFECTED AREA...South Central Texas.

* TIMING...From 9 AM to 6 PM CST Tuesday.

* WINDS...South 10 to 20 mph with gusts up to 30 mph.

* RELATIVE HUMIDITY...15 to 25 percent.

* TEMPERATURES...Mid 60s to Mid 70s.

IMPACTS: Any fires that develop will likely spread rapidly.
Outdoor burning is not recommended.
+ Read More
A Red Flag Warning means that critical fire weather conditions are either occurring now....or will shortly. A combination of strong winds...low relative humidity...and warm temperatures can contribute to extreme fire behavior.
Updated: Nov 11, 5:27 AM Source: NWS Alert