Today | Weather | Tuesday, April 21, 2026

Weather in Killeen, Texas

06:16 PM
Now
Stormy Weather
63° F
Feels Like 55°
Precipitation 64 %
Wind 12 mph
UV Index (0 - 11+) 0
Humidity 91 %
Today
Stormy Weather
Day 64°
Night 61°
Precipitation 97 %
Wind 10 mph
UV Index (0 - 11+) 2

Killeen Weather Forecast Updated

4 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (April 21, 2025)
Sunny Weather

Day

86°

Night

63°

Wind

6 mph

UV Index

10

Precipitation

1 %

Air Quality in Killeen

NOW
32 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.29 µg/m³
PM10 2.82 µg/m³
O3 0.035 ppm
NO2 1.6 ppb
SO2 0.1 ppb
CO 0.12 ppm
NH3 0.83 µg/m³
NO 0.09 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)
PM2.52.29 µg/m³
PM102.82 µg/m³
O367.92 µg/m³
NO23.02 µg/m³
SO20.39 µg/m³
CO142.88 µg/m³
NH30.83 µg/m³
NO0.09 µg/m³