How does NOAA issue severe storm watches for Galveston?

The National Weather Service (NWS) monitors atmospheric instability across Texas. When convective storms, tornado potential, or flash floods are detected, automated NOAA advisories are immediately broadcasted.

What are the best outdoor weather hours in Galveston today?

Check the 24-hour hourly trend chart above to identify windows of minimal rain probability, low UV index periods, and mild temperatures.

Unknown NOAA AlertExpires: Sep 23, 12:00 AM

Air Quality Alert — Inland Harris; Inland Brazoria; Inland Galveston; Coastal Harris; Coastal Brazoria; Coastal Galveston; Brazoria Islands; Galveston Island; Bolivar Peninsula

Air Quality Alert issued September 21 at 2:57PM CDT by NWS Houston/Galveston TX

TX, USAZIP 77550Live NOAA Station

Galveston, TX

Q: What is the current temperature and forecast in Galveston, Texas?

The current weather in Galveston is around 90°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

Despejado•Sensación térmica 101°F+6° heat index

94°F/80°F

8 mph 358°

64%Humedad

90°F

National Weather Service High-Resolution Rapid Refresh (HRRR)

Actualizado: 07:45 AM (America/Chicago)

Daily Meteorological Briefing

Galveston, TX

Synthesized forecast and practical day-planning insights

NOAA HRRR Stream

Expect mild and stable weather across Galveston, TX today.

Current temperature is 90°F (feels like 101°F), with daytime highs reaching 94°F and overnight lows around 80°F. Humidity is at 64%, with atmospheric pressure steady at 1014.8 hPa.

Sun protection is recommended with UV reaching 7.35. Wear SPF and sunglasses during midday hours.

Daily Range

Δ 8° Variation

Rain Likelihood

Low (< 10%)

Solar Exposure

UV 7.35 • High UV

24-Hour Temperature & Rain Outlook

Hourly temperature progression and precipitation probability

Temp (°F) Rain (%)

Pronóstico por Hora

Next 16 Hours

Now

82°F

1 AM

83°F

2 AM

82°F

3 AM

81°F

4 AM

81°F

5 AM

82°F

6 AM

80°F

7 AM

80°F

10%

8 AM

82°F

10%

9 AM

83°F

10 AM

86°F

13%

11 AM

87°F

12 PM

89°F

1 PM

91°F

2 PM

92°F

3 PM

94°F

Pronóstico de 10 Días

Extended 10-day meteorological outlook

10-Day Range

Hoy

22 sept

13%

80°F

94°F

mié

23 sept

15%

80°F

89°F

jue

24 sept

80°F

86°F

vie

25 sept

82°F

86°F

sáb

26 sept

21%

83°F

85°F

dom

27 sept

17%

83°F

84°F

lun

28 sept

16%

83°F

84°F

mar

29 sept

38%

82°F

84°F

mié

30 sept

50%

83°F

84°F

jue

1 oct

36%

82°F

84°F

Weather Details & Observations

Real-time atmospheric measurements and environmental indicators

Live Feed

Índice UVVery High

7.35 / 11+

Seek shade middayPeak 7.4

Viento358°

8 mph

Wind Gusts:9 mph

Conditions:Gentle breeze

Sun CycleDaylight

Sunrise07:07 AM

Sunset07:15 PM

Solar Noon:12:54 PM

HumedadHumid

64%

Punto de Rocío:76°F

PresiónSteady

29.97 inHg

Trend:Stable (+0.1 hPa)

VisibilidadClear

15.8 mi

Haze:Minimal

Air Quality Index (AQI)Moderate

57US EPA Standard

Air quality is acceptable for most people.

PM2.522 µg

OZONE122 µg

PM1027 µg

Daily Lifestyle & Activity Index

Practical recommendations tailored to current local conditions

Outdoor SportsCaution

Extreme temperatures. Indoor exercise recommended.

Car WashRecommended

Dry conditions will keep your vehicle clean.

Pollen & AllergyLow Risk

Pollen counts remain in the comfortable range.

Driving SafetyOptimal

Dry pavement and clear visibility throughout.

Sun & Moon • Celestial Dynamics

Solar orbital arc trajectory and lunar cycle visibility

Astronomy Telemetry

Solar Day TrackDaylight Arc

Sunrise02:07 AM

Daylight ~13h

Sunset02:15 PM

Lunar Phase & StargazingNight Sky

Waxing Gibbous

80% Illumination

Stargazing condition: Optimal Visibility

Next Full Moon in ~5 daysTidal Currents Normal

Preguntas Frecuentes sobre el Clima - Galveston, Texas

The current weather in Galveston is around 90°F. Forecast models from NOAA and high-resolution satellite imagery provide 10-day trends and real-time precipitation radars updated every 15 minutes.

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