Today | Weather | Wednesday, May 20, 2026

Active Weather Warnings

Rip Current Statement

Weather in Galveston, Texas

04:53 PM

Now

81° F

Feels Like 88°

Precipitation 39 %

Wind 11 mph

UV Index (0 - 11+) 1

Humidity 86 %

Today

Day 81°

Night 77°

Precipitation 100 %

Wind 9 mph

UV Index (0 - 11+) 4

Galveston Weather Forecast Updated

46 minutes ago

Last updated on May 20, 2026 at 4:07 PM

Air Quality in Galveston

NOW

21 AQI

Good air quality Dominant pollutant: PM_2.5

Pollutant Concentrations:

PM_2.5 4.96 µg/m³

PM₁₀ 14.48 µg/m³

O₃ 0.023 ppm

NO₂ 0.1 ppb

SO₂ 0.1 ppb

CO 0.08 ppm

NH₃ 0 µg/m³

NO 0 µg/m³

PM_2.5 – 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)

PM_2.5 – 4.96 µg/m³

PM₁₀ – 14.48 µg/m³

O₃ – 45.07 µg/m³

NO₂ – 0.11 µg/m³

SO₂ – 0.21 µg/m³

CO – 96.68 µg/m³

NH₃ – 0 µg/m³

NO – 0 µg/m³

View Hourly Air Quality Forecast

Weather Alerts and Warnings for Galveston

Moderate Expected Likely

Rip Current Statement

Rip Current Statement issued May 20 at 2:42PM CDT until May 21 at 9:00PM CDT by NWS Houston/Galveston TX

May 20, 2:42 PM → May 21, 9:00 PM

WHAT: Dangerous rip currents.

WHERE: Gulf-facing beaches, including the Matagorda
Peninsula, Brazoria County beaches, Galveston Island and the
Bolivar Peninsula.

WHEN: Through Thursday evening.

IMPACTS: Rip currents can sweep even the best swimmers away
from shore into deeper water.

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Swim near a lifeguard and away from rocks, jetties, and piers. If caught in a rip current, relax and float. Don't swim against the current. If able, swim in a direction following the shoreline. If unable to escape, face the shore and call or wave for help.

Updated: May 20, 4:06 PM Source: NWS Alert