Today | Weather | Sunday, August 9, 2026

Weather in Pasadena, Texas

07:57 AM
Now
Cloudy Weather
81° F
Feels Like 93°
Precipitation 7 %
Wind 5 mph
UV Index (0 - 11+) 2
Humidity 88 %
Today
Sunny with a Chance of Thunderstorms
Day 91°
Night 79°
Precipitation 55 %
Wind 8 mph
UV Index (0 - 11+) 10

Warning: High UV Index Today: 10

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.

Pasadena Weather Forecast Updated

20 minutes ago
Last updated on
Weather Forecast History
Last Year's Weather on This Day (August 9, 2025)
Cloudy Night

Day

93°

Night

77°

Wind

6 mph

Precipitation

25 %

Air Quality in Pasadena

NOW
15 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 1.35 µg/m³
PM10 2.56 µg/m³
O3 0.016 ppm
NO2 0.8 ppb
SO2 0.1 ppb
CO 0.08 ppm
NH3 0.46 µg/m³
NO 0.1 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)
PM2.51.35 µg/m³
PM102.56 µg/m³
O330.93 µg/m³
NO21.58 µg/m³
SO20.19 µg/m³
CO95.02 µg/m³
NH30.46 µg/m³
NO0.1 µg/m³