Today | Weather | Monday, January 19, 2026

Weather in Lewisville, Texas

08:06 PM
Now
Cloudy Night
43° F
Feels Like 36°
Precipitation 0 %
Wind 8 mph
Humidity 34 %
Today
Cloudy Night
Day 52°
Night 27°
Precipitation 0 %
Wind 8 mph

Lewisville Weather Forecast Updated

21 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (January 19, 2025)
Cold Day

Day

36°

Night

21°

Wind

12 mph

UV Index

3

Precipitation

0 %

Air Quality in Lewisville

NOW
40 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.52 µg/m³
PM10 3.8 µg/m³
O3 0.043 ppm
NO2 3.8 ppb
SO2 0.5 ppb
CO 0.15 ppm
NH3 0.92 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)
PM2.52.52 µg/m³
PM103.8 µg/m³
O384.54 µg/m³
NO27.09 µg/m³
SO21.41 µg/m³
CO167.86 µg/m³
NH30.92 µg/m³
NO0 µg/m³