Today | Weather | Tuesday, April 7, 2026

Weather in Galveston, Texas

08:54 AM
Now
Cloudy Weather
66° F
Feels Like 64°
Precipitation 0 %
Wind 15 mph
UV Index (0 - 11+) 2
Humidity 58 %
Today
Cloudy Weather
Day 73°
Night 66°
Precipitation 0 %
Wind 12 mph
UV Index (0 - 11+) 9

Warning: High UV Index Today: 9

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.

Galveston Weather Forecast Updated

53 minutes ago
Last updated on

Air Quality in Galveston

NOW
53 AQI
Moderate air quality Dominant pollutant: O3

Pollutant Concentrations:

PM2.5 2.13 µg/m³
PM10 4.87 µg/m³
O3 0.055 ppm
NO2 0.3 ppb
SO2 0.3 ppb
CO 0.11 ppm
NH3 1.39 µg/m³
NO 0.03 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)
PM2.52.13 µg/m³
PM104.87 µg/m³
O3107.8 µg/m³
NO20.53 µg/m³
SO20.91 µg/m³
CO126.58 µg/m³
NH31.39 µg/m³
NO0.03 µg/m³