National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Harlingen, Rio Grande Valley International Airport (KHRL)

Lat: 26.23°NLon: 97.66°WElev: 33ft.

Fair

73°F

23°C

Humidity 96%
Wind Speed SE 3 mph
Barometer 30.12 in (1019.9 mb)
Dewpoint 72°F (22°C)
Visibility 10.00 mi
Last update 29 Jul 1:52 am CDT
Extended Forecast for

Harlingen TX

  • Overnight

    Overnight: Mostly clear, with a low around 73. South wind 3 to 5 mph.

    Low: 73 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 96. Light southeast wind becoming east 5 to 10 mph in the afternoon.

    High: 96 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 74. East southeast wind 5 to 10 mph becoming light south after midnight.

    Low: 74 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 98. Heat index values as high as 105. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.

    High: 98 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 76. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.

    Low: 76 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 98. South southeast wind 5 to 11 mph.

    High: 98 °F

    Sunny

  • Thursday Night

    Thursday Night: Mostly clear, with a low around 78. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.

    Low: 78 °F

    Mostly Clear

  • Friday

    Friday: Sunny, with a high near 98. South southeast wind 6 to 10 mph.

    High: 98 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 78. South southeast wind 6 to 13 mph, with gusts as high as 20 mph.

    Low: 78 °F

    Mostly Clear

Detailed Forecast

Overnight
Mostly clear, with a low around 73. South wind 3 to 5 mph.
Tuesday
Sunny, with a high near 96. Light southeast wind becoming east 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 74. East southeast wind 5 to 10 mph becoming light south after midnight.
Wednesday
Mostly sunny, with a high near 98. Heat index values as high as 105. Light and variable wind becoming east southeast 5 to 10 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 76. South southeast wind 6 to 11 mph, with gusts as high as 20 mph.
Thursday
Sunny, with a high near 98. South southeast wind 5 to 11 mph.
Thursday Night
Mostly clear, with a low around 78. Southeast wind 6 to 13 mph, with gusts as high as 21 mph.
Friday
Sunny, with a high near 98. South southeast wind 6 to 10 mph.
Friday Night
Mostly clear, with a low around 78. South southeast wind 6 to 13 mph, with gusts as high as 20 mph.
Saturday
Sunny, with a high near 99. South southeast wind 6 to 10 mph.
Saturday Night
Mostly clear, with a low around 78. South southeast wind 6 to 11 mph.
Sunday
Sunny, with a high near 99.
Sunday Night
Mostly clear, with a low around 78.
Monday
Sunny, with a high near 98.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Harlingen TX
 26.19°N 97.7°W
Last Update:
2:30 am CDT Jul 29, 2025
Forecast Valid:
2am CDT Jul 29, 2025-6pm CDT Aug 4, 2025
 
Forecast Discussion
 
Get as KML Get as XML

Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation