Today | Weather | Wednesday, March 11, 2026

Weather in Houston, Texas

05:11 AM
Now
Cloudy Weather
72° F
Feels Like 72°
Precipitation 44 %
Wind 14 mph
Humidity 93 %
Today
Stormy Weather
Day 77°
Night 55°
Precipitation 96 %
Wind 14 mph
UV Index (0 - 11+) 2

Houston Weather Forecast Updated

Weather Forecast History
Last Year's Weather on This Day (March 11, 2025)
Sunny Weather

Day

79°

Night

59°

Wind

9 mph

UV Index

7

Precipitation

0 %

Air Quality in Houston

NOW
36 AQI
Good air quality Dominant pollutant: PM2.5

Pollutant Concentrations:

PM2.5 8.72 µg/m³
PM10 23.67 µg/m³
O3 0.026 ppm
NO2 0.2 ppb
SO2 0.2 ppb
CO 0.10 ppm
NH3 0.13 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)
PM2.58.72 µg/m³
PM1023.67 µg/m³
O351.11 µg/m³
NO20.38 µg/m³
SO20.45 µg/m³
CO113.92 µg/m³
NH30.13 µg/m³
NO0 µg/m³