Today | Weather | Wednesday, May 20, 2026

Weather in Sugar Land, Texas

03:53 PM
Now
Cloudy Weather
82° F
Feels Like 88°
Precipitation 37 %
Wind 9 mph
UV Index (0 - 11+) 2
Humidity 75 %
Today
Stormy Weather
Day 84°
Night 73°
Precipitation 100 %
Wind 9 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.

Sugar Land Weather Forecast Updated

Last updated on
Weather Forecast History
Last Year's Weather on This Day (May 20, 2025)
Sunny with a Chance of Thunderstorms

Day

93°

Night

73°

Wind

8 mph

UV Index

7

Precipitation

40 %

Air Quality in Sugar Land

NOW
19 AQI
Good air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 3.83 µg/m³
PM10 6.46 µg/m³
O3 0.021 ppm
NO2 0.2 ppb
SO2 0.1 ppb
CO 0.10 ppm
NH3 0.45 µg/m³
NO 0.02 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)
PM2.53.83 µg/m³
PM106.46 µg/m³
O341.16 µg/m³
NO20.38 µg/m³
SO20.18 µg/m³
CO110 µg/m³
NH30.45 µg/m³
NO0.02 µg/m³