Today | Weather | Thursday, March 19, 2026

Weather in Killeen, Texas

06:31 PM
Now
Sunny Weather
81° F
Feels Like 77°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 0
Humidity 34 %
Today
Sunny Weather
Day 86°
Night 57°
Precipitation 0 %
Wind 9 mph
UV Index (0 - 11+) 7

Killeen Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 19, 2025)
Cloudy Weather

Day

73°

Night

43°

Wind

20 mph

UV Index

7

Precipitation

0 %

Air Quality in Killeen

NOW
60 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 6.19 µg/m³
PM10 11.61 µg/m³
O3 0.057 ppm
NO2 1 ppb
SO2 0.5 ppb
CO 0.12 ppm
NH3 1.98 µg/m³
NO 0.11 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 acceptable; however, for some pollutants, there may be a moderate health concern for a very small number of people who are unusually sensitive to air pollution.

Show raw pollutant concentrations (µg/m³)
PM2.56.19 µg/m³
PM1011.61 µg/m³
O3112.22 µg/m³
NO21.86 µg/m³
SO21.37 µg/m³
CO139.1 µg/m³
NH31.98 µg/m³
NO0.11 µg/m³