Marine Weather Net

Galveston, TX Weather Forecast


Marine Forecast: Galveston Bay


Galveston, Texas

 Lat: 29.23N, Lon: 94.89W

Current Conditions Updated: 1252 AM CDT THU AUG 6 2026

Mostly Clear
Temp: 84°F
  • Humidity:
  • 82%
  • Winds:
  • 13 MPH SSE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.05 in.
  • Dewpoint:
  • 78°F
  • Heat index:
  • 95°F

  • Sunrise:
  • 6:41 AM CDT
  • Sunset:
  • 8:06 PM CDT
  • Moonrise:
  • 12:16 AM CDT
  • Moonset:
  • 2:34 PM CDT

TONIGHT

CLEAR

Lo: 79°F

THURSDAY

SUNNY

Hi: 91°F
Lo: 77°F
Precip: 30%

FRIDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 77°F

SATURDAY

SUNNY

Hi: 91°F
Lo: 79°F
Weather Forecast In Detail:
Forecast Issued: 1057 PM CDT Wed Aug 05 2026

Overnight...Clear. Lows in the upper 70s. South winds around 5 mph.
Thursday...Sunny. A chance of showers and thunderstorms in the afternoon. Humid with highs in the lower 90s. South winds 5 to 10 mph. Chance of rain 30 percent. Heat index values up to 106.
Thursday Night...Mostly clear. Humid with lows in the upper 70s. South winds 5 to 10 mph.
Friday...Mostly sunny. Humid with highs in the lower 90s. Southeast winds 5 to 10 mph.
Friday Night...Mostly clear. Humid with lows in the upper 70s. Southeast winds 5 to 10 mph in the evening, becoming light and variable.
Saturday...Sunny. Highs in the lower 90s. Heat index values up to 105.
Saturday Night...Mostly clear. Lows in the upper 70s.
Sunday...Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the lower 90s. Chance of rain 30 percent. Heat index values up to 105.
Sunday Night...Partly cloudy. Lows in the upper 70s.
Monday...Mostly sunny with a chance of showers and thunderstorms. Highs in the lower 90s. Chance of rain 40 percent. Heat index values up to 105.
Monday Night...Partly cloudy in the evening, then becoming mostly clear. Lows in the upper 70s.
Tuesday...Mostly sunny. Highs in the lower 90s. Heat index values up to 105.
Tuesday Night...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Wednesday...Sunny. Highs in the lower 90s. Heat index values up to 110.
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