Today | Weather | Thursday, July 16, 2026

Weather in Lewisville, Texas

02:53 AM
Now
Cloudy Weather
75° F
Feels Like 79°
Precipitation 37 %
Wind 7 mph
Humidity 90 %
Today
Stormy Weather
Day 88°
Night 75°
Precipitation 55 %
Wind 9 mph
UV Index (0 - 11+) 4

Lewisville Weather Forecast Updated

32 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (July 16, 2025)
Cloudy Weather

Day

97°

Night

77°

Wind

11 mph

UV Index

11

Precipitation

24 %

Air Quality in Lewisville

NOW
17 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.88 µg/m³
PM10 4.43 µg/m³
O3 0.018 ppm
NO2 1.5 ppb
SO2 0.3 ppb
CO 0.09 ppm
NH3 0.51 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)
PM2.53.88 µg/m³
PM104.43 µg/m³
O335.29 µg/m³
NO22.82 µg/m³
SO20.82 µg/m³
CO106.77 µg/m³
NH30.51 µg/m³
NO0 µg/m³