Galveston Island & Bay, TX

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Galveston Island & Bay landscape and visitor setting
Galveston Island & Bay — Photo by Figure8, CC BY-SA 3.0, via Wikimedia Commons.

Today’s Forecast:

☀
90°F
High: 90° | Low: 80°
Current Temperature
Clear
Station: KGLS
Observed at: 4:52 pm CDT on 9/22/26
Wind: 9 mph | Humidity: %
⚠️
Air Quality Alert
Air Quality Alert issued September 24 at 2:56PM CDT by NWS Houston/Galveston TX (Expires: September 25, 2026 7:00 pm)
Show Alert Details & Instructions
Description: AQAHGX The Texas Commission on Environmental Quality (TCEQ) has issued an Ozone Action Day for the Houston, Galveston, and Brazoria area for Friday, September 25, 2026. Atmospheric conditions are expected to be favorable for producing high levels of ozone pollution in the Houston, Galveston, and surrounding areas on Friday. You can help prevent ozone pollution by sharing a ride, walking, riding a bicycle, taking your lunch to work, avoiding drive through lanes, conserving energy and keeping your vehicle properly tuned. For more information on ozone: Ozone: The Facts www.tceq.texas.gov/airquality/monops/ozonefacts.html EPA AirNow: www.airnow.gov/?city=Houston&state=TX&country=USA Take Care of Texas: www.takecareoftexas.org/conservation-tips/keep-our-air-clean
Overnight:A slight chance of rain showers before 3am. Partly cloudy, with a low around 80. Northeast wind 10 to 15 mph.
Friday:Mostly sunny, with a high near 89. Northeast wind 5 to 15 mph.
Friday Night:Partly cloudy, with a low around 81. East wind 5 to 10 mph.
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Today’s Report:

🥾 Hiking

Good
  75 /100

Good for hiking. High near 87°F. Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 70/100
Good for hiking. High near 90°F. Low rain risk (10%). Light wind (10 mph).

🚲 Biking

Good
  76 /100

Good for biking. High near 87°F. Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 70/100
Good for biking. High near 90°F. Low rain risk (10%). Light wind (10 mph).

⛺ Camping

Good
  80 /100

Good for camping. High near 87°F. Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 76/100
Good for camping. High near 90°F. Low rain risk (10%). Light wind (10 mph).

🛶 Paddling

Excellent
  89 /100

Excellent for paddling. High near 87°F. Breezy winds (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Marginal weather factor
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 84/100
Good for paddling. High near 90°F. Low rain risk (10%). Breezy winds (10 mph).

🐟 Fishing

Good
  84 /100

Good for fishing. High near 87°F. Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 80/100
Good for fishing. High near 90°F. Low rain risk (10%). Light wind (10 mph).

⛳ Golf

Excellent
  90 /100

Excellent for golf. High near 87°F. Light wind (10 mph).

  • Temp: Marginal weather factor
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Good 83/100
Good for golf. High near 90°F. Low rain risk (10%). Light wind (10 mph).

About Galveston Island & Bay

The representative point sits near Galveston and anchors a barrier island, bay and urban coast forecast. Compare it with conditions toward Galveston Island State Park, where the terrain or water exposure can change the day.

Plan Around Conditions

Confirm the named launch, water level and wind exposure near Galveston; a usable shoreline does not guarantee a safe return trip. Consult the forecast, gauge, harbor or launch authority responsible for the exact water and access point before relying on conditional access.

Weather Tips

  • Leave the Gulf-facing shore before a gust front or rising surf can make the route back from Galveston Island State Park difficult.
  • Compare tide, visibility and water-quality notices for Galveston with the separate wind forecast for the actual water used.

Nearby Towns and Areas

  • Galveston
  • Galveston Island State Park
  • West Bay
  • East Beach
  • Seawall

Adjust the Day to the Forecast

If wind or water conditions rule out the planned launch, use a legal shore-fishing or land route near Galveston instead of moving blindly to another access point.

7-Day Forecast

☀
90°F
High: 90° | Low: 80°
Current Temperature
Clear
Station: KGLS
Observed at: 4:52 pm CDT on 9/22/26
Wind: 9 mph | Humidity: %
Fri ⛅
89° 81°
0%
Sat 🌧
90° 81°
10%
Sun ⛅
90° 82°
12%
Mon ☀
90° 82°
10%
Tue ⛈
88° 82°
36%
Wed ⛈
88° 81°
58%
Thu ⛈
86° --°
52%

7-Day High Temperature Trend

89° Fri 90° Sat 90° Sun 90° Mon 88° Tue 88° Wed 86° Thu

7-Day Low Temperature Trend

81° Fri 81° Sat 82° Sun 82° Mon 82° Tue 81° Wed 50° Thu

📊 7-Day Outdoor Outlook

Good Fair Poor 20 Fri 20 Sat 20 Sun 20 Mon 18 Tue 3 Wed 4 Thu
Forecast data from the National Weather Service  |  Last Updated: September 25, 2026 4:13 pm CDT

Weather by Season

Winter

Northers bring abrupt wind shifts, rough Gulf surf and cold-water exposure along Galveston; ferry or beach-road access may lag improving skies.

Spring

Spring sea fog, strengthening onshore wind and changing beach access shape trips toward Galveston Island State Park; Gulf and bay forecasts should not be interchanged.

Summer

Heat index, rip currents, lightning, sargassum and water-quality notices shape Gulf-side use; bay-side wind can differ sharply near Galveston.

Fall

Warm Gulf water keeps tropical swell, overwash and evacuation risk active through much of fall; a pleasant air temperature near Galveston Island State Park is not an all-clear.

Key Climate Data Points

  • Local climate: Barrier island, bay and urban coast conditions near Galveston make surf the leading local planning signal.
  • Annual mean temperature: Near Galveston, the annual mean temperature is generally in the upper 60s to low 70s °F; Gulf and bay water moderates winter cold but adds humidity and wind exposure.
  • Warmest or primary-use period: July and August bring the hottest air and warmest water, with humidity and tropical-season disruptions limiting long outings.
  • Coldest or limited-access period: December through February is coolest; snow is unusual, but northers, cold water and isolated freezes can close exposed access.
  • Most consequential precipitation period: Late spring and the tropical season is the most consequential precipitation period here because it can affect surf near Galveston Island State Park.
  • Primary hazard timing: June through november tropical and coastal-flood risk most directly affects rip currents.
  • Best general outdoor window: March through may and october through november between major coastal systems; the useful window still depends on surf.