News Headlines
- WE ARE HIRING: NWS Brownsville/Rio Grande Valley is officially hiring a GS-5/7/9 Meteorologist. Apply today at USAJobs!
- New: NOAA Weather Radio Station WNG-601 is Back Online!
- Hot, Windy, and Rain-Free Weather Since Late June Brought on a Rapid-Onset Drought to Portions of the RGV in Early August
- August-October 2026 Outlook - Hotter Than Normal And Mainly Dry Conditions Are Expected To Continue; Could Turn Wetter Towards The Fall; Heat Risk, Drought, Fire Weather, And Water Supply Issues Remain In Focus
- Check Out the 2026 Rio Grande Valley/Deep South Texas Hurricane Guide
Current conditions at
Harlingen, Rio Grande Valley International Airport (KHRL)
Lat: 26.23°NLon: 97.66°WElev: 33ft.
Fair
82°F
28°C
| Humidity | 79% |
| Wind Speed | S 9 mph |
| Barometer | 29.96 in (1014.5 mb) |
| Dewpoint | 75°F (24°C) |
| Visibility | 10.00 mi |
| Heat Index | 89°F (32°C) |
| Last update | 19 Aug 10:52 pm CDT |
Extended Forecast for
Harlingen, Rio Grande Valley International Airport TX
Tonight
Low: 78 °F
Partly Cloudy
Thursday
High: 101 °F
Mostly Sunny
then Sunny
and BreezyThursday Night
Low: 78 °F
Mostly Clear
and Breezy
then Partly
CloudyFriday
High: 102 °F
Hot
Friday Night
Low: 76 °F
Partly Cloudy
Saturday
High: 102 °F
Hot
Saturday Night
Low: 75 °F
Mostly Clear
Sunday
High: 102 °F
Hot
Sunday Night
Low: 75 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 78. South southeast wind 9 to 13 mph, with gusts as high as 21 mph.
Thursday
Sunny and hot, with a high near 101. Heat index values as high as 109. Breezy, with a south southeast wind 8 to 18 mph, with gusts as high as 26 mph.
Thursday Night
Increasing clouds, with a low around 78. Breezy, with a south southeast wind 9 to 18 mph, with gusts as high as 25 mph.
Friday
Mostly sunny and hot, with a high near 102. Heat index values as high as 109. South southeast wind 8 to 15 mph, with gusts as high as 22 mph.
Friday Night
Partly cloudy, with a low around 76. Southeast wind 8 to 16 mph, with gusts as high as 23 mph.
Saturday
Mostly sunny and hot, with a high near 102. South southeast wind 7 to 14 mph.
Saturday Night
Mostly clear, with a low around 75. Southeast wind 6 to 15 mph, with gusts as high as 22 mph.
Sunday
Sunny and hot, with a high near 102. South southeast wind 5 to 14 mph, with gusts as high as 21 mph.
Sunday Night
Mostly clear, with a low around 75. Southeast wind 6 to 15 mph, with gusts as high as 21 mph.
Monday
Sunny and hot, with a high near 100. Light south southeast wind becoming east southeast 10 to 15 mph in the morning. Winds could gust as high as 22 mph.
Monday Night
Mostly clear, with a low around 76. East southeast wind 6 to 15 mph, with gusts as high as 22 mph.
Tuesday
Sunny and hot, with a high near 101.
Tuesday Night
Mostly clear, with a low around 76.
Wednesday
Sunny and hot, with a high near 101.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Harlingen, Rio Grande Valley International Airport TX
26.24°N 97.65°W
26.24°N 97.65°W
11:45 pm CDT Aug 19, 2026
11pm CDT Aug 19, 2026-6pm CDT Aug 26, 2026
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