Marine Weather Net

Brownsville, TX Weather Forecast




Brownsville, Texas

 Lat: 25.93N, Lon: 97.48W

Current Conditions Updated: 253 PM CDT SUN MAY 17 2026

Mostly Cloudy
Temp: 91°F
  • Humidity:
  • 59%
  • Winds:
  • 28 MPH SSE
  • Gusts:
  • 37 MPH
  • Barometer:
  • 29.74 in.
  • Dewpoint:
  • 75°F
  • Heat index:
  • 102°F

  • Sunrise:
  • 6:41 AM CDT
  • Sunset:
  • 8:08 PM CDT
  • Moonrise:
  • 7:08 AM CDT
  • Moonset:
  • 9:39 PM CDT

THIS AFTERNOON

PARTLY SUNNY
Lo: 85°F

MONDAY

MOSTLY SUNNY
Hi: 95°F
Lo: 85°F

TUESDAY

PARTLY SUNNY
Hi: 95°F
Lo: 77°F

WEDNESDAY

MOSTLY SUNNY
Hi: 91°F
Lo: 79°F
Weather Forecast In Detail:
Forecast Issued: 127 PM CDT Sun May 17 2026

This Afternoon...Partly sunny and breezy. Near steady temperature in the lower 90s. Southeast winds 20 to 25 mph with gusts up to 35 mph. Heat index values up to 105.
Tonight...Mostly cloudy. Humid with lows around 80. Southeast winds 15 to 20 mph with gusts up to 35 mph.
Monday...Mostly sunny. Humid with highs in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Heat index values up to 109.
Monday Night...Mostly cloudy. Humid with lows in the lower 80s. Southeast winds 15 to 20 mph with gusts up to 35 mph. Heat index values up to 105 early in the evening.
Tuesday...Partly sunny. Humid with highs in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 108.
Tuesday Night...Mostly cloudy. A chance of showers and thunderstorms after midnight. Lows in the upper 70s. Chance of rain 40 percent.
Wednesday...Mostly sunny. Highs in the lower 90s.
Wednesday Night...Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 70s.
Thursday...Mostly cloudy in the morning, then partly sunny with a chance of showers and thunderstorms in the afternoon. Highs in the lower 90s. Chance of rain 50 percent.
Thursday Night...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.
Friday...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
Friday Night...Mostly cloudy with a chance of showers and thunderstorms. Lows in the mid 70s. Chance of rain 50 percent.
Saturday...Mostly cloudy in the morning, then becoming partly sunny. A chance of showers. A chance of thunderstorms in the afternoon. Highs in the upper 80s. Chance of rain 50 percent.
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