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Brownsville, TX Weather Forecast
Brownsville, TX Weather Forecast Date: 127 PM CDT Mon Sep 14 2026
The area/counties/county of: Inland Cameron, including the cities of: Brownsville and Harlingen.or toggle through each period.
This Afternoon... Sunny. Near steady temperature in the mid 90s. Southeast winds 15 to 20 mph with gusts up to 30 mph. Heat index values up to 112.
Tonight... Mostly clear. Humid with lows in the upper 70s. Southeast winds 15 to 20 mph, diminishing to 5 to 10 mph after midnight. Gusts up to 30 mph. Heat index values up to 107 early in the evening.
Tuesday... Sunny, hot with highs around 100. Southeast winds 10 to 15 mph with gusts up to 30 mph. Heat index values up to 109.
Tuesday Night... Mostly clear. Humid with lows in the upper 70s. Southeast winds 10 to 15 mph with gusts up to 30 mph, diminishing to around 5 mph after midnight. Heat index values up to 105 early in the evening.
Wednesday... Sunny with highs in the upper 90s. East winds around 5 mph, increasing to 10 to 15 mph with gusts up to 25 mph in the afternoon. Heat index values up to 108.
Wednesday Night... Mostly clear in the evening, then becoming partly cloudy. Lows in the upper 70s.
Thursday... Mostly sunny with a chance of showers and thunderstorms. Highs in the mid 90s. Chance of rain 50%. Heat index values up to 110.
Thursday Night... Mostly cloudy in the evening, then becoming partly cloudy. A chance of showers after midnight. Lows in the upper 70s. Chance of rain 50%. Heat index values up to 105 early in the evening.
Friday... Mostly sunny. A chance of showers and thunderstorms in the morning. Highs in the mid 90s. Chance of rain 50%. Heat index values up to 105.
Friday Night... Mostly clear. Lows in the mid 70s.
Saturday... Sunny. Highs in the upper 90s. Heat index values up to 105.
Saturday Night... Mostly clear. Lows in the mid 70s.
POP = Probability of Precipitation
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