Today | Weather | Wednesday, March 18, 2026

Weather in Laredo, Texas

01:14 PM
Now
Sunny Weather
75° F
Feels Like 79°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 8
Humidity 38 %
Today
Sunny Weather
Day 86°
Night 59°
Precipitation 0 %
Wind 13 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 (March 18, 2025)
Sunny Weather

Day

95°

Night

63°

Wind

17 mph

UV Index

8

Precipitation

0 %

Air Quality in Laredo

NOW
74 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 8.02 µg/m³
PM10 14.03 µg/m³
O3 0.062 ppm
NO2 1.1 ppb
SO2 3 ppb
CO 0.17 ppm
NH3 2 µg/m³
NO 0.38 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)
PM2.58.02 µg/m³
PM1014.03 µg/m³
O3121.21 µg/m³
NO22.13 µg/m³
SO27.85 µg/m³
CO195.72 µg/m³
NH32 µg/m³
NO0.38 µg/m³