Today | Weather | Wednesday, March 18, 2026

Weather in Grand Prairie, Texas

10:00 AM
Now
Cloudy Weather
54° F
Feels Like 50°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 3
Humidity 53 %
Today
Cloudy Weather
Day 77°
Night 55°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 7

Grand Prairie Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (March 18, 2025)
Cloudy Weather

Day

86°

Night

63°

Wind

19 mph

UV Index

7

Precipitation

0 %

Air Quality in Grand Prairie

NOW
48 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.87 µg/m³
PM10 4.72 µg/m³
O3 0.052 ppm
NO2 1.3 ppb
SO2 0.3 ppb
CO 0.13 ppm
NH3 4.26 µg/m³
NO 0.36 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)
PM2.52.87 µg/m³
PM104.72 µg/m³
O3101.86 µg/m³
NO22.36 µg/m³
SO20.76 µg/m³
CO144.15 µg/m³
NH34.26 µg/m³
NO0.36 µg/m³