Marine Weather Net

Brownsville, TX Weather Forecast




Brownsville, Texas

 Lat: 25.93N, Lon: 97.48W

Current Conditions Updated: 353 AM CDT THU SEP 17 2026

Clear


Temp: 83°F
  • Humidity:
  • 85%
  • Winds:
  • 3 MPH NE
  • Gusts:
  • N/A MPH
  • Barometer:
  • 30.06 in.
  • Dewpoint:
  • 78°F
  • Heat index:
  • 93°F

  • Sunrise:
  • 7:14 AM CDT
  • Sunset:
  • 7:31 PM CDT
  • Moonrise:
  • 1:25 PM CDT
  • Moonset:
  • 11:47 PM CDT

TONIGHT

PARTLY CLOUDY
Lo: 80°F

THURSDAY

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

FRIDAY

SUNNY

Hi: 95°F
Lo: 75°F
Precip: 40%

SATURDAY

SUNNY

Hi: 95°F
Lo: 79°F
Weather Forecast In Detail:
Forecast Issued: 127 AM CDT Thu Sep 17 2026

Rest Of Tonight...Partly cloudy. Near steady temperature in the lower 80s. Light and variable winds.
Thursday...Mostly sunny with a slight chance of showers and thunderstorms. Humid with highs in the mid 90s. Northeast winds 10 to 15 mph. Chance of rain 20 percent. Heat index values up to 110.
Thursday Night...Mostly clear in the evening, then partly cloudy with a chance of showers after midnight. Humid with lows in the upper 70s. East winds 10 to 15 mph with gusts up to 20 mph, diminishing to around 5 mph after midnight. Chance of rain 40 percent. Heat index values up to 105 early in the evening.
Friday...A chance of showers in the morning. Sunny with highs in the mid 90s. Northeast winds 10 to 15 mph. Chance of rain 40 percent. Heat index values up to 109.
Friday Night...Mostly clear. Humid with lows in the mid 70s. East winds 10 to 15 mph with gusts up to 20 mph in the evening, becoming light and variable.
Saturday...Sunny. Highs in the mid 90s. Heat index values up to 110.
Saturday Night...Mostly clear. Lows in the upper 70s.
Sunday...Sunny. Highs in the upper 90s. Heat index values up to 110.
Sunday Night...Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Monday...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the upper 90s. Chance of rain 30 percent. Heat index values up to 110.
Monday Night...Mostly clear. Lows in the upper 70s. Heat index values up to 105 early in the evening.
Tuesday...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110.
Tuesday Night...Mostly clear. Lows in the upper 70s.
Wednesday...Sunny. A chance of showers and thunderstorms in the afternoon. Highs in the mid 90s. Chance of rain 40 percent. Heat index values up to 110.
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