Marine Weather Net

Galveston, TX Weather Forecast


Marine Forecast: Galveston Bay


Galveston, Texas

 Lat: 29.23N, Lon: 94.89W

Current Conditions Updated: 752 AM CDT TUE SEP 15 2026

Partly Cloudy
Temp: 85°F
  • Humidity:
  • 82%
  • Winds:
  • 5 MPH S
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.08 in.
  • Dewpoint:
  • 79°F
  • Heat index:
  • 97°F

  • Sunrise:
  • 7:02 AM CDT
  • Sunset:
  • 7:24 PM CDT
  • Moonrise:
  • 11:29 AM CDT
  • Moonset:
  • 9:59 PM CDT

TODAY

MOSTLY SUNNY
Hi: 95°F
Lo: 77°F
Precip: 20%

WEDNESDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 77°F

THURSDAY

PARTLY SUNNY
Hi: 90°F
Lo: 79°F
Precip: 50%

FRIDAY

SUNNY

Hi: 91°F
Lo: 75°F
Weather Forecast In Detail:
Forecast Issued: 717 AM CDT Tue Sep 15 2026

HEAT ADVISORY IN EFFECT UNTIL 7 PM CDT THIS EVENING
Today...Mostly sunny with a slight chance of showers and thunderstorms. Highs in the mid 90s. Southeast winds 5 to 10 mph. Chance of rain 20 percent. Heat index values up to 109.
Tonight...Mostly clear. Humid with lows in the upper 70s. Southeast winds 5 to 10 mph in the evening, becoming light and variable. Heat index values up to 106 early in the evening.
Wednesday...Mostly sunny. Humid with highs in the lower 90s. East winds 5 to 10 mph. Heat index values up to 108.
Wednesday Night...Partly cloudy. A chance of showers and thunderstorms after midnight. Humid with lows in the upper 70s. East winds 5 to 10 mph. Chance of rain 40 percent. Heat index values up to 106 early in the evening.
Thursday...Partly sunny with a chance of showers and thunderstorms. Humid with highs around 90. East winds 10 to 15 mph. Chance of rain 50 percent. Heat index values up to 105.
Thursday Night...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s.
Friday...Sunny. Highs in the lower 90s.
Friday Night...Mostly clear. Lows in the mid 70s.
Saturday...Sunny. Highs in the lower 90s.
Saturday Night...Mostly clear. Lows in the mid 70s.
Sunday...Sunny. Highs in the lower 90s.
Sunday Night...Mostly clear. Lows in the mid 70s.
Monday...Mostly sunny. A chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 30 percent.
SHARE THIS PAGE: