| NWS Forecast for: Willacy Island Issued by: National Weather Service Brownsville, TX Last Update: 127 AM CDT Wed May 13 2026 |  |
| Rest Of Tonight: Mostly clear. Near steady temperature in the mid 70s. Southeast winds around 5 mph. Wednesday: Sunny. Highs in the mid 80s. East winds 5 to 10 mph. Wednesday Night: Mostly clear in the evening, then becoming partly cloudy. Lows in the mid 70s. Southeast winds 5 to 10 mph. Thursday: Mostly sunny. Highs in the mid 80s. Southeast winds 10 to 15 mph. Thursday Night: Partly cloudy. Lows in the upper 70s. Southeast winds around 15 mph with gusts up to 20 mph. Friday: Mostly sunny. Highs in the upper 80s. Friday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows in the upper 70s. Saturday: Mostly sunny. Highs in the upper 80s. Saturday Night: Partly cloudy in the evening, then becoming mostly cloudy. Lows around 80. Sunday: Mostly cloudy. Highs in the upper 80s. Heat index values up to 105. Sunday Night: Mostly cloudy. Lows in the lower 80s. Monday: Mostly cloudy. Highs in the upper 80s. Heat index values up to 110. Monday Night: Mostly cloudy. Lows in the lower 80s. Heat index values up to 105 early in the evening. Tuesday: Mostly cloudy in the morning, then becoming partly sunny. Highs in the upper 80s. Heat index values up to 105. | |
| Zone Forecast: Willacy Island | |
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