Today | Weather | Sunday, September 20, 2026

Weather in Laredo, Texas

02:50 PM
Now
Cloudy Weather
99° F
Feels Like 106°
Precipitation 0 %
Wind 6 mph
UV Index (0 - 11+) 5
Humidity 35 %
Today
Cloudy Weather
Day 102°
Night 79°
Precipitation 2 %
Wind 6 mph
UV Index (0 - 11+) 8

Warning: High UV Index Today: 8

High risk of harm from unprotected sun exposure. Take precautions: wear a hat, sunglasses, and apply sunscreen regularly if you’ll be outdoors for extended periods.

Laredo Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (September 20, 2025)
Cloudy Night

Day

97°

Night

75°

Wind

9 mph

Precipitation

25 %

Air Quality in Laredo

NOW
36 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.58 µg/m³
PM10 4.19 µg/m³
O3 0.039 ppm
NO2 0.3 ppb
SO2 0.4 ppb
CO 0.09 ppm
NH3 0.32 µg/m³
NO 0.06 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)
PM2.52.58 µg/m³
PM104.19 µg/m³
O376.88 µg/m³
NO20.53 µg/m³
SO20.98 µg/m³
CO106.18 µg/m³
NH30.32 µg/m³
NO0.06 µg/m³