Harlingen, TX

Current conditions, hourly and 7-day forecast, and live radar for Harlingen, TX 78553. Right now: mostly clear, 78°F. Data from the National Weather Service.

• Tonight: Mostly clear, with a low around 78. Southeast wind 3 to 8 mph.
• Thursday: A slight chance of showers and thunderstorms between 2pm and 3pm. Sunny. High near 101, with temperatures falling to around 97 in the afternoon. Heat index values as high as 111. Southeast wind 2 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 20%.
• Thursday Night: Mostly clear, with a low around 79. Heat index values as high as 106. Southeast wind 9 to 14 mph, with gusts as high as 23 mph.
• Friday: Sunny, with a high near 101. Heat index values as high as 111. South southeast wind 8 to 15 mph, with gusts as high as 26 mph.
• Friday Night: Mostly clear, with a low around 80. South southeast wind 12 to 16 mph, with gusts as high as 28 mph.
• Saturday: Sunny, with a high near 101. South southeast wind 12 to 17 mph, with gusts as high as 31 mph.