Today | Weather | Wednesday, March 18, 2026

Weather in Grand Prairie, Texas

11:24 AM
Now
Cloudy Weather
59° F
Feels Like 57°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 5
Humidity 46 %
Today
Cloudy Weather
Day 77°
Night 55°
Precipitation 0 %
Wind 14 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
53 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.91 µg/m³
PM10 5.25 µg/m³
O3 0.055 ppm
NO2 1 ppb
SO2 0.3 ppb
CO 0.12 ppm
NH3 3.47 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 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)
PM2.52.91 µg/m³
PM105.25 µg/m³
O3107.76 µg/m³
NO21.79 µg/m³
SO20.88 µg/m³
CO142.4 µg/m³
NH33.47 µg/m³
NO0.36 µg/m³