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- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: July-September 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected; Heat Risk And Water Supply Issues To Remain In Focus
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
- Guia de Huracanes 2026 del Valle del Rio Grande/Extremo Sur de Texas
- The 2026 Hurricane Season is Here! Are You Ready? Know Your Risk, Check Your Plans, Restock Your Kits, and More
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Mostly Cloudy
89°F
32°C
| Humidity | 68% |
| Wind Speed | S 14 mph |
| Barometer | 30.04 in (1017.3 mb) |
| Dewpoint | 77°F (25°C) |
| Visibility | 10.00 mi |
| Heat Index | 102°F (39°C) |
| Last update | 7 Jul 9:52 am CDT |
Extended Forecast for
Harlingen TX
Today
High: 97 °F
Mostly Sunny
Tonight
Low: 77 °F
Mostly Clear
Wednesday
High: 97 °F
Sunny then
Slight Chance
T-stormsWednesday Night
Low: 77 °F
Mostly Clear
Thursday
High: 95 °F
Mostly Sunny
Thursday Night
Low: 78 °F
Partly Cloudy
Friday
High: 95 °F
Chance
T-stormsFriday Night
Low: 80 °F
Mostly Cloudy
Saturday
High: 96 °F
Partly Sunny
then Slight
Chance
T-storms
Detailed Forecast
Today
Mostly sunny, with a high near 97. Heat index values as high as 106. South southeast wind 9 to 13 mph, with gusts as high as 22 mph.
Tonight
Mostly clear, with a low around 77. Southeast wind 6 to 14 mph, with gusts as high as 23 mph.
Wednesday
A slight chance of showers and thunderstorms between 3pm and 4pm. Sunny, with a high near 97. Heat index values as high as 105. South southeast wind 5 to 15 mph, with gusts as high as 24 mph. Chance of precipitation is 20%.
Wednesday Night
Mostly clear, with a low around 77. South southeast wind 6 to 14 mph, with gusts as high as 24 mph.
Thursday
Mostly sunny, with a high near 95. Southeast wind 5 to 10 mph increasing to 11 to 16 mph in the afternoon. Winds could gust as high as 26 mph.
Thursday Night
Partly cloudy, with a low around 78. Southeast wind 7 to 14 mph, with gusts as high as 24 mph.
Friday
A 30 percent chance of showers and thunderstorms, mainly after 1pm. Partly sunny, with a high near 95. Southeast wind 7 to 16 mph, with gusts as high as 26 mph.
Friday Night
Mostly cloudy, with a low around 80. Southeast wind 8 to 15 mph, with gusts as high as 25 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 1pm. Partly sunny, with a high near 96. Southeast wind 9 to 15 mph, with gusts as high as 25 mph.
Saturday Night
Partly cloudy, with a low around 80. Southeast wind 7 to 15 mph, with gusts as high as 24 mph.
Sunday
Mostly sunny, with a high near 97. Southeast wind 7 to 15 mph, with gusts as high as 25 mph.
Sunday Night
Partly cloudy, with a low around 79.
Monday
Mostly sunny, with a high near 97.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harlingen TX
26.19°N 97.7°W
26.19°N 97.7°W
10:45 am CDT Jul 7, 2026
10am CDT Jul 7, 2026-6pm CDT Jul 13, 2026
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